JP2000243029A - Recording/reproducing device and method for digital broadcasting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recording/reproducing device capable of restoring interactive service contents. SOLUTION: By a conversion means 36, the transport stream received from a signal receiving means 34 at the time of the recordng mode is converted to the packet multiplexed stream of the state suitable for recording and outputted. The packet regarding the desired service is selected from the transport stream by a converison means, and the conversion stream is produced by selecting only the packet required at the time of reproduction. This conversion stream is recorded on a recording medium 44 by a recording means 38. At the time of the reproducing mode, the conversion stream is read out from the recording medium by a read-out means 42 and given to a restoring means 40. By the restoring means, the service contents signal is restored and outputted in accordance with the contents of this conversion stream. By a video/picture output means 46, this service contents signal is received, and the video and picture are outputted and recorded in the state of packet as it is, then the recording/reproducing operation is attained without lowering the function of a satellite broadcasting based on control data.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording / reproducing apparatus for digital broadcasting.

[0002]

2. Description of the Related Art A recording / reproducing apparatus for recording an analog TV broadcast receives a received NTS signal.
The C signal is recorded. Also in the case of recording a satellite digital broadcast, a recording / reproducing apparatus of a conventional system for recording an NTSC signal has been used. That is, a satellite digital broadcast receiving STB (set-top box) decodes and records the output converted to an NTSC signal.

[0003] However, in such a conventional technique, since an NTSC signal is recorded, there is a problem that a service that can be provided in digital broadcasting cannot be realized during reproduction.

An object of the present invention is to solve the above-mentioned problems and to provide a recording / reproducing apparatus and method capable of performing recording / reproduction utilizing characteristics of digital broadcasting.

[0005]

[Means for Solving the Problems and Effects of the Invention] (1) (1
2) a recording and reproducing device for digital broadcasting according to the present invention,
The recording / reproducing method includes a step of receiving a transport stream in which a plurality of services are packet-multiplexed, selecting a packet related to a desired service from the received transport stream to obtain a converted stream, and storing the converted stream in a recording medium. Recording, reading the converted stream recorded on the recording medium, receiving the converted stream,
It is characterized by reproducing and outputting service contents.

Since recording is performed in a packet multiplexed state, a function equivalent to that at the time of reception can be reproduced at the time of reproduction. In addition, since only a packet related to a desired service is selected and converted and recorded, the recording capacity of the recording medium can be effectively used.

(2) In the recording / reproducing apparatus according to the present invention, the conversion means may include an elementary stream and a PA among packets related to a desired service in the transport stream.
T and PMT packets are selected to generate a conversion stream.

[0008] Therefore, since a packet required for reproduction is selected to generate and record a converted stream, the recording capacity of the recording medium can be effectively utilized.

(3) In the recording / reproducing apparatus of the present invention, the converting means also provides the recording means with environment information when the converted stream is generated, and the recording means uses this as recording environment information together with the converted stream or of the converted stream. Recorded as a part on the recording medium, the restoration unit compares the reproduction environment when reproducing the converted stream from the reading unit with the recording environment information recorded on the recording medium, and based on the difference between the two environments,
It is characterized in that the content of the reproduction control is changed.

Therefore, appropriate reproduction can be performed in consideration of a difference in environment between recording on the recording medium and reproduction.

(4) In the recording / reproducing apparatus according to the present invention, the converting means supplies the recording means with recording time information indicating the time of recording as recording environment information, Is compared with the information at the time of recording recorded on the recording medium, and the content of the reproduction control is changed based on the difference between the two.

Therefore, appropriate reproduction can be performed in consideration of a time lag between recording and reproduction on the recording medium.

(5) In the recording / reproducing apparatus according to the present invention, the conversion means may include a TDT or PCR
The recording time information is obtained and provided to the recording means based on the information. TD transmitted simultaneously from the transmitting side
Since T and PCR are used as a reference, a plurality of recording / reproducing apparatuses can record common recording information.

(6) In the recording / reproducing apparatus according to the present invention, the converting means supplies the recording means with recording location information indicating the recording location as recording environment information, and the restoring means outputs the recording location information to the recording location. Is compared with the recording location information recorded on the recording medium, and the content of the reproduction control is changed based on the difference between the two.

Therefore, appropriate reproduction can be performed in consideration of a spatial shift between recording and reproduction on the recording medium.

(7) In the recording / reproducing apparatus according to the present invention, the converting means supplies the recording means with recording apparatus information indicating the apparatus on which the recording has been performed as recording environment information, and the restoring means provides the recording apparatus with the reproduced data. Is compared with the recording device information recorded on the recording medium, and the content of the reproduction control is changed based on the difference between the two.

Therefore, appropriate reproduction can be performed in consideration of the difference between the recording device and the reproduction device.

(8) The recording medium on which the packet multiplexed data of the present invention is recorded is a packet or a packet related to a desired service in a transport stream. And PMT packet multiplexed data. The PMT is configured by extracting only information related to the elementary stream regarding a desired service from information of the PMT in the transport stream. It is characterized by:

Therefore, packets required for reproduction are selected and recorded, so that the recording capacity of the recording medium can be effectively utilized.

(9) The recording medium on which the packet multiplexed data of the present invention is recorded is characterized in that the recording environment information is further recorded by packet multiplexing. Therefore, when generating from the recording medium, reproduction control based on the recording environment can be performed.

(10) The transmission device for transmitting a transport stream including content data according to the present invention includes: comparing the recording environment information and the reproduction environment information with the transport stream to change reproduction control contents. Or data or instructions.

Therefore, by recording the command or data on the recording medium on the receiving side, it is possible to perform appropriate reproduction in consideration of a difference in environment between recording and reproduction on the recording medium.

(12) In the communication method according to the present invention, on the receiving side, a packet relating to a desired service is selected from the received transport stream, a converted stream is generated and recorded on a recording medium. A communication method for restoring service contents according to the converted stream read from the recording medium in the playback mode in accordance with the transport stream, and on the receiving side, depending on whether the mode is the reception mode or the playback mode, Since the contents to be output are changed, appropriate service contents can be restored in each of the reception mode and the reproduction mode.

(14) The reception recording / reproducing apparatus according to the present invention is characterized in that the restoring means changes the control content according to a reproduction environment at the time of reproduction. Therefore, it is possible to realize appropriate reproduction contents according to the environment at the time of reproduction.

(18) The recording medium on which the packet multiplexed data of the present invention is recorded is a packet or a video or audio elementary stream selected from among packets related to a desired service in a transport stream, and a PAT. And PMT packet multiplexed data. The PMT is formed by extracting only information relating to the elementary stream relating to a desired service from information of the PMT in the transport stream. The packet multiplexed data is characterized in that it includes a condition or command applied only during reproduction or a condition or command not applied only during reproduction.

Therefore, in the reproduction mode, appropriate service contents can be reproduced.

(19) The transmitting apparatus for transmitting a transport stream including content data according to the present invention includes a condition or an instruction which is applied only at the time of reproduction or a condition or an instruction which is not applied only at the time of reproduction. It is characterized by containing.

Therefore, on the receiving side, by recording the command or condition on the recording medium, it is possible to reproduce the appropriate service content at the time of reproduction.

(20) The transmitting apparatus for transmitting a transport stream including content data according to the present invention includes a program / script having different control contents depending on whether the transport stream is in a receiving mode or a reproducing mode. Is included.

Therefore, by recording the command or condition on the recording medium on the receiving side, appropriate service contents can be obtained according to each of the receiving mode and the reproducing mode.

(21) (54) A reception recording / reproducing apparatus and a reception recording / reproducing method according to the present invention include interactive control data for realizing interactivity, receive a packetized transport stream, From the received transport stream, a packet related to a desired service is selected, a converted stream including interactive control data is generated, the converted stream is recorded on a recording medium, and the converted stream recorded on the recording medium is read and received. In the mode, the received transport stream is received, and in the playback mode, the converted stream read from the recording medium is received, the service content signal including the operation image is restored, and based on the interactive control data in the stream, Operator input It, is characterized in that to change the contents of the output service content signal interactively.

Since the recording is performed including the interactive control data in the packet multiplexed state, the interactive function can be reproduced even at the time of reproduction. In addition, since only a packet related to a desired service is selected and converted and recorded, the recording capacity of the recording medium can be effectively used.

(26) The device of the present invention
The stream includes a plurality of sets of interactive control data associated with each other, and the sets are repeatedly transmitted a plurality of times, and the interactive control data displays operation buttons having a display state of a selected state and a non-selected state. And data associated with the operation buttons,
It is characterized by having link destination information of image data or display data. Therefore, an interactive function can be realized without recording all of the plurality of interactive control data in a set in the apparatus.

(28) The apparatus of the present invention is characterized in that the conversion means generates a conversion stream into which control data indicating the discontinuity is inserted at the time when the service to be recorded becomes discontinuous. Therefore, at the time of reproduction, a discontinuity point of the service can be easily found.

(29) In the apparatus according to the present invention, when the restoration means finds control data indicating discontinuity in the read converted stream, the navigation data recorded before the control data indicating discontinuity is detected. It is characterized by not performing interactive processing based on. Therefore, it is possible to prevent the execution of inappropriate interactive processing during reproduction.

(30) (55) In the reception recording / reproducing apparatus and the reception recording / reproducing method according to the present invention, the recording medium may be recorded on the recording medium as recording environment information together with the converted stream or as a part of the converted stream. In the case of reproduction, the reproduction environment when reproducing the read converted stream is compared with the recording environment information recorded on the recording medium, and the content of the reproduction control is changed based on the difference between the two environments. It is characterized by.

Therefore, appropriate reproduction can be performed in consideration of a difference in environment between recording on the recording medium and reproduction.

(34) The device according to the present invention is characterized in that the restoring means interactively changes the content of the output service content signal based on the difference in the environment,
It is characterized in that the content of the reproduction control is changed. Therefore, it is possible to prevent interactive contents that are unnecessary at the time of reproduction from being reproduced.

(36) In the apparatus according to the present invention, the restoring means determines a difference between the reproduction environment information and the recording environment information according to a condition included in the interactive control data, and changes the contents of the reproduction control. It is characterized by. Therefore, appropriate service contents can be restored at both the time of reproduction and the time of recording in consideration of the difference between the reproduction environment and the recording environment.

(37) The device of the present invention further comprises communication means for performing communication with the outside, and the restoration means determines whether or not to perform communication by the communication means in response to an operation input by the operator. Is determined based on the difference between the reproduction environment and the recording environment. Therefore, in consideration of the difference between the reproduction environment and the recording environment, it is possible to appropriately determine whether to perform external communication during reproduction.

(38) The apparatus of the present invention further includes a log recording unit that records log information of communication performed by the communication unit in response to an operation input by the operator, and the log information recording unit includes a communication device in the reproduction mode. Or data for determining whether the communication is a communication in the reception mode. Therefore, the log information can be recorded, and it can be determined whether the log information is in the reception mode or the reproduction mode.

(39) The apparatus according to the present invention is characterized in that the recording environment or the reproduction environment is at the time of recording or at the time of reproduction, respectively. Therefore, it is possible to perform appropriate reproduction in consideration of the difference between the time of recording on the recording medium and the time of reproduction.

(40) In the apparatus according to the present invention, the recording environment or the reproduction environment is at the time of recording or reproduction, respectively, and the converting means converts TDT or PDT in the transport stream.
The recording time is obtained based on the CR, and is provided to the recording means as recording time information. Since the TDT and the PCR transmitted from the transmitting side are used as a reference, the recording information common to each other can be recorded in a plurality of recording / reproducing apparatuses.

(41) The apparatus according to the present invention further comprises a clock means for measuring the current time when the recording environment or the reproduction environment is at the time of recording or reproduction, respectively. In this case, the recording time is obtained by recording and given to recording means as recording time information.

Therefore, when the reproduction time is obtained from the clock means of the apparatus at the time of reproduction, the difference between the recording time and the reproduction time can be accurately obtained even if the clock means deviates from the standard time.

(43) The apparatus of the present invention is characterized in that the recording environment or the reproduction environment is a recording place or a reproduction place, respectively. Therefore, appropriate reproduction can be performed in consideration of a spatial shift between recording and reproduction on the recording medium.

(44) The apparatus according to the present invention is characterized in that the recording environment or the reproduction environment is a recording apparatus or a reproducing apparatus, respectively. Therefore, appropriate reproduction can be performed in consideration of the difference between the recording device and the reproducing device.

(45) In the receiving / recording / reproducing apparatus of the present invention, a conversion stream including a program / script is recorded on a recording medium. Further, even when the same program / script is executed, the control content differs depending on whether the mode is the reception mode or the reproduction mode. Therefore, appropriate service contents can be obtained depending on whether the mode is the reception mode or the reproduction mode.

(46) In the receiving / recording / reproducing apparatus of the present invention, in the reproducing mode, the current time and the recording time are compared, and the content of the control is changed based on the comparison.
Therefore, it is possible to reproduce appropriate contents based on the difference between the received and recorded time and the current time at the time of reproduction.

(50) The basic program recording medium on which the basic program of the present invention is recorded compares the recording environment information read from the recording medium with the reproduction environment, and stores the control program or condition data contained in the interactive control data. By interpreting, a basic program for causing the control unit to perform a process of changing the control content for the decoder and / or the signal generation circuit based on the difference between the two environments is recorded.

Therefore, it is possible to perform appropriate reproduction in consideration of a difference in environment between recording on the recording medium and reproduction.

(51) The basic program recording medium storing the basic program of the present invention interprets a part included in the program script, which is intended to have a different execution result depending on the reception mode and the reproduction mode, and receives the program. A basic program for causing the control unit to perform a process of making the control content different according to each of the mode and the reproduction mode is recorded.

Therefore, it is possible to perform appropriate reproduction in consideration of a difference in environment between recording on the recording medium and reproduction.

(52) The recording medium on which the packet multiplexed data of the present invention is recorded includes at least an elementary stream selected from among packets relating to a desired service in the transport stream, a PAT, and a PMT.
And the packet multiplexed data of the interactive control data, and the PMT extracts only information related to the elementary stream related to a desired service from all information of the PMT in the transport stream. The interactive control data is characterized in that a plurality of interactive control data associated with each other are set as a set and the set is repeatedly recorded a plurality of times.

Therefore, at the time of reproduction, an interactive function can be realized without recording all of a plurality of sets of interactive control data in the apparatus.

(54) In the recording medium on which the conversion stream according to the present invention is recorded, the interactive control data included in the conversion stream is interpreted by a basic program or generates an operation image signal in cooperation with the basic program. And providing the signal to the signal generation circuit, and controlling to change at least the interactive control data to be separated by the decoder based on the operation input of the operator, thereby outputting a service content signal having interactivity from the signal generation circuit. It is characterized in that it is performed.

Therefore, even at the time of reproduction, it is possible to realize interactive service contents.

(55) In the recording medium of the present invention, the interactive control data is interpreted by the basic program or in cooperation with the basic program, and further, the recording environment information and the reproduction environment read from the recording medium are combined. And compare
It is characterized in that processing is performed to change the control content for the decoder and / or the signal generation circuit based on the difference between the two environments.

Therefore, appropriate reproduction can be performed in consideration of a difference in environment between recording on the recording medium and reproduction.

(56) The recording medium on which the conversion stream according to the present invention is recorded is such that the program / script included in the conversion stream is interpreted by a basic program or performs control processing in cooperation with the basic program. It is characterized in that the program script includes a portion configured to perform different control in a reception mode and a reproduction mode.

Therefore, appropriate control can be performed in each of the reception mode and the reproduction mode.

(59) (60) A transmitting apparatus and a transmitting method according to the present invention are a transmitting method for multiplexing and transmitting a transport stream containing content data and interactive control data for realizing interactivity. The interactive control data is a set of a plurality of interactive control data associated with each other, and the set is repeatedly transmitted a plurality of times.The interactive control data includes a recording environment at the time of recording on a receiving side and a reproduction environment. Compared to the playback environment when
It is characterized in that an instruction for changing the processing content is included.

Therefore, when recording and reproduction are performed on the receiving side, appropriate reproduction can be performed in consideration of a difference in environment between recording and reproduction.

(61) The carrier for carrying the transport stream including the content data and the interactive control data for realizing the interactivity of the present invention may be configured such that the interactive control data includes a plurality of interactive control data associated with each other. As a set, the set is repeatedly transmitted a plurality of times, and the interactive control data includes a command for changing a processing content by comparing a recording environment when recorded on the receiving side with a reproduction environment when reproduced. Is included.

Therefore, when recording and reproduction are performed on the receiving side, appropriate reproduction can be performed in consideration of a difference in environment between recording and reproduction.

(62) In the carrier for carrying a transport stream including content data and control data according to the present invention, the control data may be a plurality of sets of control data associated with each other, and the set may be repeated a plurality of times. The transmitted control data includes a portion that performs different control contents in the reception mode and the reproduction mode.

Therefore, the receiving side can provide appropriate contents in each of the receiving mode and the reproducing mode.

(63) In the communication method according to the present invention, a transmitting side transmits a transport stream including interactive control data for realizing interactivity, and a receiving side converts a desired transport stream from a received transport stream into a desired one. Select a packet for the service,
A conversion stream including interactive control data is generated and recorded on a recording medium, and includes an operation image according to the received transport stream in the reception mode and according to the conversion stream read from the recording medium in the reproduction mode. A communication method for restoring service contents and interactively changing contents to be output in accordance with an operation input of an operator based on interactive control data in the stream. It is characterized in that instructions or data having different processing contents are included in the mode and the reproduction mode.

Therefore, appropriate service contents can be restored in the reception mode and the reproduction mode.

(64) A transmission device according to the present invention is a transmission device for multiplexing and transmitting a transport stream including content data and interactive control data for realizing interactivity, wherein the interactive control data includes: A plurality of sets of interactive control data associated with each other are transmitted as a set, and the set is repeatedly transmitted a plurality of times. The interactive control data includes, on the receiving side, commands or data having different processing contents in the reception mode and the reproduction mode. It is characterized by being in.

Therefore, the appropriate service contents can be restored each time the data is received and further recorded and reproduced on the receiving side.

(65) The receiving / recording / reproducing apparatus of the present invention includes interactive control data for realizing interactivity, receiving means for receiving a packetized transport stream, and receiving the transport stream. Converting means for selecting a packet relating to a desired service from the stream and generating a converted stream including interactive control data; recording means for recording the converted stream from the converting means on a recording medium; Reading means for reading the stream;
An operation accepting unit for receiving an operation input of an operator, a transport stream from the receiving unit in the receiving mode, a conversion stream from the reading unit in the reproducing mode, and a service content signal including an operation image. Restoration means for interactively changing the content of the service content signal to be output in accordance with the operation input of the operator based on the interactive control data in the stream. It is characterized in that the control content is changed in accordance with.

Therefore, appropriate service contents can be restored according to the reproduction environment.

(72) The apparatus according to the present invention is characterized in that the restoring means judges the reproduction environment at the time of reproduction according to the conditions included in the interactive control data, and changes the control contents according to the reproduction environment. I have. Therefore, at the time of reproduction, it is possible to reproduce appropriate service contents according to the reproduction environment.

(73) The apparatus according to the present invention is characterized in that the restoration means changes the contents of the reproduction control depending on whether or not the contents to be output are changed interactively. Therefore, it is possible to prevent the unnecessary interactive reproduction from being performed during the reproduction.

(74) The device of the present invention further comprises communication means for communicating with the outside, and the restoring means determines whether or not to perform communication by the communication means in response to an operation input by the operator. Is determined according to the reproduction environment at the time of reproduction. Therefore, it is possible to appropriately determine whether or not to perform communication with the outside in accordance with the reproduction environment at the time of reproduction.

(75) The apparatus according to the present invention further includes a log recording unit for recording log information of communication performed by the communication unit in response to an operation input by the operator, and the log information recording unit has a communication mode in the reproduction mode. Or data for determining whether the communication is a communication in the reception mode. Therefore, the log information can be recorded, and it can be determined whether the log information is in the reception mode or the reproduction mode.

(81) The recording medium on which the packet multiplexed data of the present invention is recorded includes at least an elementary stream selected from among packets relating to a desired service in a transport stream, a PAT, and a PMT.
And the packet multiplexed data of the interactive control data, and the PMT extracts only information related to the elementary stream related to a desired service from all information of the PMT in the transport stream. The interactive control data is configured as a set of a plurality of interactive control data associated with each other, the set is repeatedly recorded a plurality of times, the interactive control data is a condition applied only at the time of reproduction or It is characterized by including instructions or conditions or instructions that are not applicable only during playback.

Therefore, at the time of reproduction, an interactive function can be realized without recording all of a plurality of sets of interactive control data in the apparatus. Further, appropriate reproduction can be performed according to conditions or instructions applied only during reproduction or not applied.

(82) The recording medium of the present invention selects a packet relating to a desired service from a given transport stream, and outputs the selected packet as a converted stream containing interactive control data. A recording unit that records the converted stream on the recording medium together with the recording environment information, a reading unit that reads the converted stream recorded on the recording medium, and separates and outputs an elementary stream and interactive control data from the read converted stream. A signal generating circuit for generating a service content signal in response to an elementary stream from the decoder and a command from the control unit,
A control unit that controls the operation of the decoder, a recording unit that records a basic program that defines the operation of the control unit, and a recording / reproducing apparatus that includes an operation receiving unit that receives an operation input by an operator, A recording medium recording interactive control data for interpreting or performing control in cooperation with the basic program, wherein the interactive control data is interpreted by the basic program or in cooperation with the basic program, An operation image signal is generated and provided to a signal generation circuit, and based on an operation input of an operator, at least interactive control data separated by a decoder is changed to generate an interactive service content signal. And a process for outputting from the circuit. ® The emission program, it is characterized in that it contains the only applicable conditions or instructions, or condition does not apply only during playback or instruction during playback.

Therefore, appropriate reproduction can be performed according to conditions or instructions applied only during reproduction or not applied.

(83) The carrier for carrying the transport stream of the present invention includes content data and interactive control data for realizing interactivity, and the interactive control data includes:
As a set of a plurality of interactive control data associated with each other, the set is repeatedly transmitted a plurality of times, the interactive control data includes, in the interactive control data, a condition or command that is applied only during playback, or during playback. It is characterized by the inclusion of conditions or instructions that do not only apply.

Therefore, at the time of reception or reproduction on the receiving side, an interactive function can be realized without recording all of a plurality of sets of interactive control data in the apparatus. Further, appropriate reproduction can be performed according to conditions or instructions applied only during reproduction or not applied.

In the present invention, the term "receiving means" refers to means for receiving a transport stream, and is a concept that includes not only wireless transmission but also wired transmission. In the embodiment, the tuner 3 shown in FIG.
4 corresponds to this.

"Conversion means" means means for converting a transport stream into a converted stream. In the embodiment, for example, the TS decoder 50, the converted stream generation unit 62, and the CPU 58 (especially, steps S24 and S25) in FIG. 10 correspond to this.

The "converted stream" refers to a stream obtained by performing some processing on a transport stream for recording, and is a concept including not only a stream to be finally recorded but also an intermediately generated stream. .
For example, in the embodiment, it also includes the selected stream output from the terminal 50a of the transport decoder 50.

"Recording means" refers to means for recording on a recording medium. In the embodiment, the recording / reading unit 66 corresponds to this.

"Reading means" refers to means for reading from a recording medium. In the embodiment, the recording / reading unit 66 corresponds to this.

"Restoring means" refers to means for restoring service contents based on a transport stream or a converted stream. In the embodiment, for example, the TS decoder 50 and the CPU 58 (particularly, in steps S32 to S32)
S36) corresponds to this.

"Recording information" refers to temporal information at the time of recording, and is a concept including time, date, month, year, day of the week, distinction between weekdays and holidays, and a combination of these. It is a concept including

The “elementary stream” refers to a video or audio stream or a packetized stream of both, which constitutes the content of the service.

"Reproduction control" is a concept including not only the reproduction itself but also the control performed in connection with the reproduction. For example, control for performing communication with the outside during reproduction is also included.

The term “to make an instruction an execution target” is a concept that includes not only the case where the instruction is actually executed but also the case where the instruction is not executed depending on conditions.

The "basic program" refers to a program for interpreting and executing other programs and data.

The “recording medium on which the program is recorded”
A recording medium such as a ROM, a RAM, a flexible disk, a CD-ROM, a memory card, a hard disk, or the like on which a program is recorded. A CD-RO recording a program to be executed after being installed on a hard disk or the like, as well as a recording medium such as a hard disk connected to the CPU and directly executing the recorded program.
This is a concept including a recording medium such as M. Furthermore, the programs referred to here include not only programs that can be directly executed, but also source-format programs, compressed programs, encrypted programs, and the like. Further, the navigation data in the embodiment is also included in the concept of the program.

[0096]

DESCRIPTION OF THE PREFERRED EMBODIMENTS 1. Table of Contents 1. Overview of Satellite Broadcasting System 1.1. State of Radio Wave Transmission in Satellite Broadcasting 1.2. Structure of Transmitting Device 1.3. Structure of Transport Stream 1.4. Structure of Receiving Device 2. First embodiment 2.1. Receiving recording / reproducing apparatus 2.1.1 Overall configuration of receiving / recording / reproducing apparatus 2.1.2 Specific configuration example and operation of receiving / recording / reproducing apparatus 2.1.3 Others Embodiment 3. Second Embodiment 3.1. Reception / Recording / Reproducing Apparatus 3.1.1 Overall Configuration of Reception / Recording / Reproducing Apparatus 3.1.2 Specific Configuration Example and Operation of Reception / Recording / Reproducing Apparatus 3.1.3. Recording environment and reproduction environment 3.2. Other embodiments 4. Third embodiment 4.1. Reception recording / reproduction device 4.1.1 Overall configuration of reception / recording / reproduction device 4.1.2 Reception / recording / reproduction device Specific configuration example and operation 4.1.3 Other reproduction environment, etc. 4.2. Other embodiments 5. Fourth embodiment 5.1. Overview of Tactical Satellite Broadcasting System 5.2. Reception / Recording / Reproducing Device 5.2.1 Overall Configuration of Reception / Recording / Reproducing Device 5.2.2 Specific Configuration Example and Operation of Reception / Recording / Reproducing Device 5.2.3 Other Embodiments 6. Fifth Embodiment 6.1. Transmitting Device 6.2. Reception / Recording / Reproducing Device 6.2.1 Overall Configuration of Reception / Recording / Reproducing Device 6.2.2 Specific Configuration of Reception / Recording / Reproducing Device Example and operation 6.2.3 Recording environment and reproduction environment 6.3. Other embodiments 7. Sixth embodiment 7.1. Transmitter 7.2. Reception recording / reproduction device 7.2.1 Reception recording / reproduction Overall configuration of device 7.2.2 Specific configuration example and operation of reception recording / reproducing device 7.2.3 Reproduction environment 8. Seventh embodiment 9. Eighth embodiment 10. Others

Hereinafter, a case where the present invention is applied to satellite broadcasting will be described. However, the present invention can be applied to terrestrial broadcasting, cable broadcasting such as cable television, etc., as long as the broadcasting is packetized and transmitted. Before describing the embodiments of the present invention, first, an outline of a satellite broadcasting system will be described.

1. Outline of Satellite Broadcasting System 1.1. Radio Transmission State in Satellite Broadcasting FIG. 1 schematically shows the transmission state of radio waves in satellite broadcasting. Radio waves from the ground station 2 are transmitted to the ground via the broadcasting satellite 4. A plurality of transport streams TS1, TS2, and TS3 are transmitted from the broadcasting satellite 4. Each transport stream is distinguished by a frequency, a polarization plane, and the like.

The transport stream TS1 includes a plurality of services (corresponding to terrestrial broadcast channels) SV
11, SV12, SV13 and SV14 are packetized and multiplexed by time division. Similarly, the transport stream TS2 includes the services SV21 and SV2.
2, SV23 and SV24 are multiplexed, and the services SV31, SV32, SV
V33 and SV34 are multiplexed. In each transport stream, in addition to image data and audio data of each service, control data for indicating program information, control data for indicating the current time, control data necessary for packetization, and the like are also transmitted. I have. Although only three transport streams are shown in FIG. 1, more transport streams are actually transmitted. Further, in FIG. 1, four services are multiplexed for each transport stream.
In practice, more services are multiplexed.

1.2. Configuration of Transmitting Apparatus FIG. 2 shows a configuration of a transmitting apparatus for generating and transmitting the above-described transport stream. Although only the transport stream TS1 is shown in the figure,
Other transport streams TS2 and TS3 are generated in the same manner.

Image / audio data ES of service SV11
11 is a multiplexing unit 1 which is compressed by the encoder E1.
0 is given. Similarly, the image / audio data ES12 of the service SV12 is compressed by the encoder E2 and provided to the multiplexing unit 10, and the image / audio data ES13 of the service SV13 is compressed by the encoder E3 and provided to the multiplexing unit 10, and the service The image / audio data ES14 of the SV 14 is compressed by the encoder E4 and provided to the multiplexing unit 10.

The control data generator 16 generates control data for packet multiplexing, control data for indicating program information, control data for indicating the current time, and the like. The control data for packet multiplexing is added to correctly identify the video / audio data of a plurality of services that have been packetized in a time division manner.

The multiplexing unit 10 controls the control data, the compressed image / audio data ES11, ES12, ES13, ES
14 is time-divided into fixed-length packets and output as a transport stream TS1.

The scrambler 12 scrambles the output packet using the scramble key given from the scramble key control unit 16. The scrambled transport stream TS1 is modulated by the modulator 14 and broadcast to the viewer via the broadcast satellite 4.

Note that the scramble key used in the scrambler 12 is encrypted in the ECM generation unit 8 to be ECM (Entitlement Control Message) data. That is, ECM data in which a key for descrambling is further encrypted is generated. Multiplexing unit 54
Is packetized including this ECM data.

1.3. Structure of Transport Stream As shown in FIG. 3, the transport stream TS1 generated by the transmitting apparatus of FIG.
1 video data ES (V) 1 and audio data ES (A)
1, video data ES (V) 2, audio data ES (A) 2 of service SV12, video data E of service SV13
S (V) 3, audio data ES (A) 3, service SV1
4 video data ES (V) 4 and audio data ES (A) 4
Are multiplexed.

Further, control data NIT, PAT, PMT1, PMT2, PMT3, P
MT4 is also multiplexed. With these control data,
Multiplexed services SV11, SV12, SV1
3. The video / audio data of the SV 14 can be separated.

Control data ECM1, ECM2, ECM3, ECM4 for scramble key, control data EIT1, EIT2, EIT3, EIT indicating program information
4. Control data TDT indicating the current date and time are also multiplexed. Although not shown, many other control data are multiplexed.

The packetization is performed as shown by the vertical line 18a in FIG. That is, the control data NIT, PAT, P
MT, EIT, TDT, ECM, video data ES
(V), packetization is performed in the order of the audio data ES (A). When the packetization up to the audio data ES (A) 3 is completed, the packetization below the control data NIT is repeated again (see the vertical line 18b).

FIG. 4 shows the basic structure of packetized data. Both control data and video / audio data are packets having a data structure as shown in FIG. A packet ID (PID) is added to the head of the packetized data. The packet ID is a code uniquely assigned to each packet to identify each packet. The content data is packetized target data (control data,
Video / audio data, etc.).

FIG. 5 shows the data contents of control data PMT1 for packet multiplexing. PMT1 includes video data ES (V) 1 and audio data ES of service SV11.
(A) The packet ID of 1 and the packet ID of ECM1 for descrambling these are described. In PMT2, PMT3, and PMT4, similar packet IDs are described for the services SV12, SV13, and SV14, respectively.

As shown in FIG. 6, the PAT includes a packet ID of PMT1 corresponding to service SV11, a packet ID of PMT2 corresponding to service SV12, a packet ID of PMT3 corresponding to service SV13, and a PMT4 corresponding to service SV14. Is described.

As shown in FIG. 7, the NIT includes, for all transport streams TS1, TS2, and TS3, transmission characteristics such as their frequencies and polarization planes, and the services multiplexed on the transport streams. A list is described. As a result, it is possible to know which frequency a transport stream is multiplexed with a specific service.

1.4. Configuration of Receiving Apparatus FIG. 8 shows an outline of the receiving apparatus. The transport stream is selected by the tuner 22, the descrambler is descrambled by the descrambler 24, and the video / audio data ES relating to the desired service is separated by the transport decoder 26. The microprocessor (MPU) 28 sends the acquired ECM to the IC card 30 and receives the scramble key restored by the IC card 30. The MPU 28 sets the scramble key in the descrambler 24. This makes it possible to descramble the video / audio data ES.

The MPU 28 sets the packet ID of the video / audio data ES of the desired service in the transport decoder 26. As a result, the transport decoder 26 transmits the video / audio data ES of the service.
Is output. When the packet ID of the control data is set in the transport decoder 26, the separated control data is provided to the MPU 28.

The operation in the case where a command to switch to the service SV12 of the transport stream TS1 is given to the MPU 28 on the assumption that the service SV33 of the transport stream TS3 is currently received will be described below. First, the MPU 28 controls the transport decoder (that is, the packet I of the control data NIT).
D) and import the NIT. From the description of the NIT, it is known that the service SV12 desired to be received is multiplexed in the transport stream TS1 (see FIG. 7).

Next, the tuner 8 is controlled to receive the transport stream TS1. Further, it controls the transport decoder 26 to obtain PAT and PMT2, and obtains the video data ES of the desired service SV12.
(V) 2, the packet ID of the audio data ES (A) 2 and the packet ID of its ECM are obtained.

Next, these packet IDs are set in the transport decoder 26, and the desired service SV12
The video data ES (V) 2 and the audio data ES (A) 2 are output from the transport decoder 26. At the same time, the MPU 28 sends the ECM obtained from the transport decoder 26 to the IC card 30 to obtain a scramble key, and sets the scramble key in the descrambler 24. Thus, the descrambled video data ES
(V) 2, audio data ES (A) 2 can be obtained. Switching of the service to be received is performed as described above.

When an instruction to display a program schedule or program information is given to the MPU 28, the MPU 28 controls the transport decoder 26 to acquire the EIT.
Further, it controls to display program information and the like based on the acquired EIT.

2. First Embodiment 2.1. Reception Recording / Reproduction Apparatus 2.1.1 Overall Configuration of Reception Recording / Reproduction Apparatus FIG. 9 shows the overall configuration of a reception recording / reproduction apparatus 32 according to an embodiment of the present invention. Show. The radio wave captured by the antenna 20 is demodulated by the receiving means 34 as one transport stream. In receive mode,
The transport stream from the receiving means 34 is provided to the restoration means 40. The restoration means 40 selects a packet relating to a desired service from the transport stream, and restores and outputs a service content signal (for example, a composite signal such as NTSC) according to the content of the packet. The video / image output means 46
In response to the service content signal, a video and an image are output.

In the recording mode, the transport stream from the receiving means is provided to the converting means. The conversion means 36 converts the transport stream into a packet multiplexed stream suitable for recording, and outputs it as a converted stream. Conversion means 36
Selects a packet related to a desired service from the transport stream, and selects only a packet necessary for reproduction from the packets to generate a converted stream. The recording unit 38 records the converted stream on the recording medium 44.

In the reproduction mode, the read stream reads the converted stream from the recording medium 44. The read converted stream is provided to the restoration unit 40. The restoration unit 40 restores and outputs a service content signal (for example, a composite signal such as NTSC) according to the content of the converted stream. Video /
The image output means 46 receives the service content signal,
Output video and images.

In this embodiment, the service content signal from the restoration means 40 is not recorded as in the conventional apparatus, but is recorded in the packet state.
Therefore, since recording can be performed including control data, recording and reproduction can be performed without impairing the function of satellite broadcasting based on the control data. Further, since both video and audio can be recorded in a digitally compressed state, the capacity of the recording medium can be effectively utilized.

Furthermore, since only packets relating to a desired service are selected from the transport stream and recorded, the capacity required for recording can be reduced. In addition, since only the packets necessary for reproduction are selected and recorded from the packets, the capacity required for recording can be reduced.

2.1.2 Specific Configuration Example and Operation of Reception / Recording / Reproducing Apparatus FIG. 10 is a block diagram in the case where the receiving / recording / reproducing apparatus 32 shown in FIG. 9 is realized using a CPU. The receiving / recording / reproducing device 32 includes a receiving unit 68 and a recording / reproducing unit 70. The CPU 58 controls each unit according to a program recorded in the memory 60.

This apparatus has three modes: a reception mode, a recording mode, and a reproduction mode. Hereinafter, the operation of each mode will be described.

(1) Reception mode The reception mode program recorded in the memory 60 is shown in the flowchart of FIG.

The operation in the case where the command to switch to the service SV11 of the transport stream TS1 is given to the CPU 58 on the assumption that the service SV13 of the transport stream TS1 is currently received will be described below. The command to the CPU 58 is given from an operation panel or an operation remote controller. The operation input unit 54 shown in FIG. 10 is a light receiving unit that receives a command from the operation panel or the operation remote controller.

First, the CPU 58 sets a PAT packet ID in a control data separation register (not shown) of the transport decoder (TS decoder) 50.
The packet ID of the PAT is fixedly set to “0x00”. Thereby, the TS decoder 50 records the contents of the separated PAT in the memory 60 (step S1).
1). The PAT describes a list of services multiplexed on the currently received transport stream TS1 (see FIG. 6). Therefore, the CPU 58
Knows that the desired service SV11 is multiplexed on the currently received transport stream TS1. That is, the CPU 58 performs steps S12 to S1.
Proceed to step 8.

In step S18, the acquired PA
Based on T, the packet ID of the PMT of the desired service SV11 is obtained. Here, “0x11” is acquired (see FIG. 6). Next, the CPU 58 sets the PMT packet ID “0x11” in the control data separation register of the TS decoder 50. As a result, the PMT 1 of the service SV 11 is separated, and its contents are stored in the memory 60.
(Step S19).

FIG. 5 shows the PMT 1 of the service SV11. The CPU 58 can know the packet ID “0x21” of the ECM data for obtaining the scramble key of the video and audio data based on the PMT1.
Similarly, video and audio data ES (V) 1, ES
(A) It is possible to know the packet IDs “0x22” and “0x24” of 1 (step S20).

The CPU 58 checks the packet ID “0” of the ECM.
x21 "is set in the control data separation register of the TS decoder 50, and the ECM is acquired. Furthermore, this EC
M is given to the IC card 56 to obtain the restored scramble key. The scramble key thus obtained is set in the descrambler 48 (step S2).
1). Thereby, the video data ES of the service SV11
(V) 1, the packet of the audio data ES (A) 1 is in a descrambling state.

Further, the CPU 58 determines that the packet ID “0x2” of the video and audio data ES (V) 1 and ES (A) 1.
2 ”“ 0x24 ”is set in an ES separation register (not shown) of the TS decoder 50 (step S22).
Thus, the TS decoder 50 outputs the separated video and audio data ES (V) 1 and ES (A) 1 to the AV decoder 52.

The AV decoder receiving this expands (decompresses) the compression and performs D / A conversion to generate a video composite signal. This signal is provided to the TV set 46 and output as video and audio.

The processing in the reception mode is performed as described above. If the desired service is not multiplexed in the currently received transport stream in step S12, the process proceeds to step S13. In step S13, the NIT described in the PAT
Is obtained. Based on this, the NIT is acquired, and it is known which transport stream the desired service is multiplexed (steps S14 and S14).
15).

The CPU 58 switches the setting of the tuner 34 so as to receive the transport stream (step S16). Thereafter, the PAT of the transport stream is obtained (step S17). Thereafter, the above steps S18 and subsequent steps may be executed.

(2) Recording Mode FIG. 12 is a flowchart showing a recording mode program recorded in the memory 60. Steps S11 to S
22 is the same as the reception mode. Therefore, FIG.
In FIG. 7, only steps after step S23 are shown. When a recording command is given from the operation input unit 54, a recording mode is set.

First, in step S23, the CPU 5
Reference numeral 8 denotes a packet ID and NI of video and audio data ES (V) 1 and ES (A) 1 of a desired service SV11 in a recording data separation register (not shown) of the TS decoder.
The packet ID of T, the packet ID of PAT, and the packet ID of PMT1 of the desired service SV11 are set.
Thus, the TS decoder 50 outputs the video and audio data ES (V) 1, ES (A) 1, PAT, PMT1, N
The IT is output to the converted stream generator 62 of the recording / reproducing unit 70 in the packet state.

[0139] The CPU 58
T1 is acquired, and only the information on the desired service SV11 is selected from the described information, and the converted PMT1 is selected.
Is generated (step S24). For example, among information included in the PMT1, the packet ID of the ECM is unnecessary because it is unnecessary at the time of reproduction. As a result, the converted PM from which the information not related to the recording and reproduction of the desired service SV11 is removed from the information included in the PMT1.
T1 is obtained.

Next, the CPU 58 generates control data SIT describing information of services and events (programs) included in the converted stream to be recorded (step S).
25).

The CPU 58 supplies the converted PMT1 and SIT generated as described above to the MPU 64. MPU6
4 supplies the converted stream to the converted stream generator 62 to generate a converted stream.

The converted stream generation unit 62 receives the PAT from the TS decoder 50, and receives the desired service SV11.
A PAT including only information on the PAT is generated, and the PAT is replaced with the PAT. At this time, the packet ID of the NIT included in the PAT is changed to the packet ID of the SIT. Also, the PMT from the TS decoder 50 is
Replace with the converted PMT received from 64. In addition, TS
The NIT from the decoder 50 is
Replace with IT.

Thus, the ES of the desired service,
A packet-multiplexed conversion stream of SIT, conversion PAT, and conversion PMT is obtained.

The CPU 58 gives a recording command to the MPU 64 (step S27). In response, MPU64
Controls the recording / reading unit 66 to record the converted stream on the magnetic tape 44. FIG. 13 schematically shows the converted stream to be recorded.

When a recording stop instruction is given from the operation input unit 54, the CPU 58 gives this to the MPU 64 (steps S28 and S29). In response to this, the MPU 64 stops recording by the recording / reading unit 66.

In the conversion stream recorded on the magnetic tape 44, even if the control data has the same content, the data is multiplexed and recorded many times. Therefore,
Reproduction can be performed even from the middle of the magnetic tape.

If the selection of a service is changed during recording, the service changed halfway is recorded. At this time, the conversion stream generating unit 62 detects that the information has become discontinuous (or
8), control data DIT (Discontinuity Information Table) indicating the discontinuity of information is generated. Further, as shown in FIG. 14, this DIT is
Packet multiplexing at the beginning of the changed service. Similarly, when performing new recording, this DIT is added to the head. DIT is also added when different programs in the same service are continuously recorded.

In the above description, the conversion stream generator 62 is provided in the recording / reproducing device 70, but it may be provided in the receiving device 68. In this case, the recording / reproducing device 70 records the converted stream output from the receiving device 68 as it is.

(3) Reproduction Mode FIG. 15 is a flowchart showing a reproduction mode program recorded in the memory 60. When a playback command is given from the operation input unit 54, the playback mode is set.

First, in step S31, the CPU 58 gives a reproduction command to the MPU 64. MPU64 is
In response to this, the recording / reading unit 66 is controlled and the magnetic tape 4
4 to read the converted stream. The read converted stream is provided to the TS decoder 50.

Next, the packet ID “0x00” of the converted PAT is stored in the control data separation register of the TS decoder 50.
Is set, the converted PAT is separated from the converted stream, and stored in the memory 60 (step S32). Based on the description of the converted PAT, the packet ID of the converted PMT
Is recognized (step S33).

Further, the packet ID of the converted PMT is set in the control data separating register of the TS decoder 50, the converted PMT is separated from the converted stream, and stored in the memory 60 (step S34). Based on the description of the converted PMT, video data ES (V) and audio data E
Recognize the packet ID of S (A) (step S3)
5).

Next, the CPU 58 sets the packet ID of the video data ES (V) and the audio data ES (A) in the ES separation register of the TS decoder 50, and separates them from the converted stream. The separated video data ES (V) and audio data ES (A) are
2 is output.

The AV decoder receiving this expands (decompresses) the compression and performs D / A conversion to generate a video composite signal. This signal is provided to the TV set 46 and output as video and audio.

When the CPU 58 finds the presence of DIT in the converted stream during reproduction, the CPU 58 returns to step S32 and performs the following processing of the converted PAT (step S3).
7). This is because DIT indicates a discontinuous point of recorded data.

When there is a playback stop command from the operation input unit 54, the CPU 58 gives this to the MPU 64 (steps S38, S39). In response, the MPU 64 controls the recording / reading unit 66 to stop reading from the magnetic tape 44.

2.1.3 Other Embodiments In the embodiment of FIG. 10, the TS decoder 50, the converted stream generation unit 62, and the CPU 58 (in particular, step S2
4, S25) implements the conversion means 36.
Further, the restoration means 40 is realized by the TS decoder 50 and the CPU 58 (particularly, steps S32 to S36). As described above, the TS decoder 50 includes
Since it is shared by both the restoration means, the configuration can be simplified.

In the embodiment shown in FIG. 10, the CPU 58 executes a part of the conversion stream generation (step S2).
4, S25), these processes may also be performed by the conversion stream generation unit 62. Further, only the packet selected by the TS decoder 50 is output from the conversion stream generation unit 6.
2, the transport stream from the descrambler 48 may be directly provided to the converted stream generation unit 62. In this case, the conversion stream generation unit 62 selects a necessary packet.

In FIG. 10, the receiving / recording / reproducing device 32
However, a receiving device including only the receiving unit 68 may be used. In this case, the output 50 of the TS decoder
It is preferable to provide a recording data output terminal for extracting a and a restoration data input terminal for receiving the converted stream 50b from the recording / reproducing unit 70.

A recording / reproducing apparatus including only the recording / reproducing section 70 may be used. Further, a reproducing apparatus including only the reproducing function of the recording / reproducing section 70 or a recording apparatus including only the recording function of the recording / reproducing section 70 may be used.

In the above embodiment, the descrambled data is recorded. However, the data in a scrambled state may be recorded.
In this case, the ECM data is also recorded. In this case, the ECM data may be recorded as it is,
It may be recorded as a part of the IT data.

3. Second Embodiment 3.1. Reception / Recording / Reproducing Apparatus 3.1.1 Overall Configuration of Reception / Recording / Reproducing Apparatus FIG. 16 shows the overall configuration of a receiving / recording / reproducing apparatus according to the second embodiment. In this embodiment, a recording environment acquisition unit 72 for acquiring an environment for creating a conversion stream (that is, an environment for recording) is provided.
Generates a conversion stream including this recording environment.
Therefore, the conversion stream including the recording environment is recorded on the recording medium 44.

The reproduction environment acquisition means 74 acquires the environment at the time of reproduction. The restoration unit 40 compares the reproduction environment from the reproduction environment acquisition unit 74 with the recording environment read from the recording medium, and changes the contents of the reproduction control based on the difference between the two environments.

Therefore, appropriate reproduction can be performed based on the difference between the recording environment and the reproduction environment.

3.1.2 Specific Configuration Example and Operation of Reception / Recording / Reproduction Apparatus A block diagram in the case where the reception / recording / reproduction apparatus 32 shown in FIG. 16 is realized by using a CPU is the same as FIG.

This apparatus has three modes: a reception mode, a recording mode, and a reproduction mode. The reception mode is
Since the operation is the same as that of the first embodiment, the operation in the recording mode and the reproduction mode will be described.

(1) Recording Mode FIG. 17 is a flowchart showing a recording mode program recorded in the memory 60. The basic processing is shown in FIG.
Same as 2. In step S231, the CPU 5
8 acquires the ID of the device itself recorded in the memory 60. Further, when generating the SIT, the CPU 58 includes this device ID in the description of the SIT (for example, a descriptor area) (step S25). Therefore, the conversion stream recorded on the magnetic tape 44 includes the device ID as a recording environment.

(2) Reproduction Mode FIG. 18 is a flowchart showing a reproduction mode program recorded in the memory 60. The basic processing is shown in FIG.
Same as 5. In step S321, the CPU 58 acquires the packet ID of the SIT based on the converted PAT. This is set in the control data separation register of the TS decoder 50, and the SIT is obtained (step S3).
22). Subsequently, the CPU 58 acquires the device ID described in the acquired SIT (step S323).
Also, the ID of the device itself recorded in the memory 60
Is read (step S324).

Further, it is determined whether or not these device IDs match (step S325). If they match (that is, if the device recorded on the magnetic tape 44 and the reproducing device are the same), step S33 and subsequent steps are executed to perform reproduction. If they do not match (that is, if the device recorded on the magnetic tape 44 and the device that is playing are different), a message to that effect is displayed (step S326), and the playback ends.

According to this embodiment, it is possible to prohibit a tape on which a pay broadcast such as pay-per-view is recorded from being reproduced by a device other than the user.

In the above embodiment, the reproduction is not performed when the IDs do not match. However, the reproduction may be performed by changing the reproduction contents.

3.1.3 Recording Environment and Reproduction Environment In the above embodiment, the apparatus ID is used as the recording and reproduction environment.
Is used. However, the ID of the IC card may be used. Alternatively, the type of device may be recorded as a recording environment, compared with the type of device used for reproduction, and the recorded data format or the like may be converted and reproduced based on the difference.

In the above embodiment, the apparatus used for recording and the apparatus used for reproduction are the recording environment and the reproduction environment. However, the time of recording and the time of reproduction may be the recording environment and the reproduction environment. In addition, the recording location, playback location, the recording environment,
It may be a reproduction environment.

In the above embodiment, the recording environment is described in the SIT.
Or the like.

3.2. Other Embodiments In the above embodiment, the transport stream sent from the transmitting device is the same as in the first embodiment. However, data indicating the degree of deviation between the recording environment and the reproduction environment and the content to be processed in response to this are included in the transport stream from the transmission device and transmitted. According to this data, the processing content may be changed based on the difference between the recording environment and the reproduction environment.

4. Third Embodiment 4.1. Reception / Recording / Reproducing Apparatus 4.1.1 Overall Configuration of Reception / Recording / Reproducing Apparatus FIG. 19 shows the overall configuration of a receiving / recording / reproducing apparatus according to the third embodiment. In this embodiment, a reproduction environment acquisition unit 74 for acquiring an environment at the time of reproduction is provided. In the playback mode, the restoration unit 40 outputs the appropriate playback content according to the environment in consideration of the playback environment from the playback environment acquisition unit 74.

4.1.2 Specific Configuration Example and Operation of Reception / Recording / Reproducing Apparatus A block diagram in the case where the receiving / recording / reproducing apparatus 32 shown in FIG. 19 is realized using a CPU is the same as FIG.

This apparatus has three modes: a reception mode, a recording mode, and a reproduction mode. Hereinafter, the operations of the reception mode, the recording mode, and the reproduction mode will be described.

(1) Reception mode In this embodiment, two languages (for example, English and Japanese)
A case where a broadcast is received will be described as an example. In the case of bilingual broadcasting, as shown in FIG.
Two streams of (A) 1J and ES (A) 1E are multiplexed. The voice data ES (A) 1J is a Japanese voice, and the voice data ES (A) 1E is an English voice.

FIG. 21 is a flowchart showing a reception mode program recorded in the memory 60. The basic processing is the same as in FIG. In step S121, the CPU 58 sets the PID of the SDT in the control data separation register of the TS decoder 50, and acquires the SDT. An SDT (Service Description Table) describes the details of each service multiplexed in the transport stream. Also, SDT
Describes, in the case of bilingual broadcasting, which packet ID the stream of each language corresponds to, and which language is selected as a default. CP
U58 acquires the packet ID of the default voice. Here, the packet ID of the ES (A) 1J is described, and it is assumed that the packet ID has been obtained.

The CPU 58 determines in step S20 that
The packet ID of ES (V) 1 and the packet ID of ES (A) 1J are set in the TS decoder 50. As a result, the service in Japanese voice is output.

The operator gives a voice switching command to the operation input unit 54, and the ES 58 is controlled by the CPU 58.
(A) 1E can be separated and switched to English voice service.

(2) Recording Mode FIG. 22 is a flowchart showing a recording mode program recorded in the memory 60. Basic processing contents are
This is the same as FIG. However, in step S23, the ES (A) for Japanese voice and the ES for English voice
Both packet IDs of (A) are set and output to the recording / reproducing unit 70. Therefore, both the ES (A) of Japanese voice and the ES (A) of English voice are recorded on the magnetic tape 44. CPU 58
In step S25, the packet ID of the Japanese ES (A) described in the SDT and the English ES (A)
Is included in the description of the SIT. (3) Playback Mode FIG. 23 is a flowchart showing a playback mode program recorded in the memory 60. Basic processing contents are
This is similar to FIG.

The CPU 58 determines in steps S321 and S32
2. In S327, the packet ID of the ES (A) of the Japanese voice and the packet ID of the ES (A) of the English voice are acquired and temporarily stored in the memory 60. Next, the CPU 58
Reads the installation location information recorded in the memory 60 in advance (step S328). Here, it is assumed that the installation location of the device that performed the reproduction was in the United States.

Next, the CPU 58 selects an appropriate language based on a correspondence table (not shown) between the installation location and the language recorded in the memory 60. Here, English is selected, and the packet ID of the ES (A) of English voice is selected as a default.

The CPU 58 determines in step S36 that
The ES (A) packet ID of the English voice is set in the TS decoder 50. As a result, a service using English voice is output in the default state.

By giving a voice switching command to the operation input unit 54, the operator can separate the ES (A) of Japanese voice and switch to the Japanese voice service under the control of the CPU 58. 4.1.3 Other playback environment, etc. In the above embodiment, the playback content is changed based on the installation location of the playback device. However, the reproduction content may be changed based on a reproduction environment such as at the time of reproduction or a reproduction device (device ID or device type).

In the above embodiment, the reproduction environment acquisition means 74 is provided to realize the reproduction contents according to the reproduction environment. However, the reproduction content may be output differently from the reception mode based on the reproduction mode without providing the reproduction environment acquisition unit 74.

4.2. Other Embodiments In the above embodiment, data indicating the reproduction environment and the contents to be processed corresponding to the reproduction environment are recorded in the memory 60 of the receiving / recording / reproducing apparatus in advance. However, this data may be included in the transport stream from the transmitting device and transmitted, and the recording / reproducing device on the receiving side may change the processing content according to the data in accordance with the reproducing environment.

5. Fourth Embodiment 5.1. Outline of Interactive Satellite Broadcasting System Before describing the fourth embodiment, an outline of an interactive broadcasting system will be described.

The configuration of the transmitting device is the same as that of FIG. However, the difference is that the control data generation unit 6 also generates navigation data described later.

FIG. 24 shows a data structure of a transport stream transmitted from a transmitting device in a broadcasting system having interactiveness. In the figure, the images ES (V) 11, ES of the service SV11
(V) 12, audio ES (A) 11, and ES (A) 12, and the video and audio elementary streams of other services are omitted. The difference from the data structure of FIG. 3 is that one service SV11 includes two video / audio ESs. The two video / audio ESs can be interactively switched based on navigation data NVT1 and NVT2, which are interactive control data, according to the operation of the operator on the receiving side. Further, based on the navigation data NVT1 and NVT2, an additional display can be interactively changed according to the operation of the operator on the receiving side.

FIG. 25 shows the contents of PMT1 of service SV11. The control data PMT1 includes a packet I of each content (video, audio, navigation data).
D, a packet ID of ECM data for obtaining a key for descrambling the content is described. Furthermore, since there are a plurality of contents for video, audio, and navigation data, the one to be output first is described as entry content. This control data PM
The packet ID of T1 itself is “0x0011”.

FIG. 26 shows the contents of control data PAT. The control data PAT includes the services SV11 and SV multiplexed on the transport stream TS1.
12, PMT packet I for SV13 and SV14
D is described. Thereby, it is possible to know that the packet ID of the service SV11 is “0x0011”. The packet ID of the control data PAT itself is fixedly set to “0x0000”.

FIGS. 27 and 28 show the contents described in the navigation data NVT1 and NVT2. The one set of navigation data NVT1 and NVT2 has the same contents repeatedly transmitted over a predetermined period. With the navigation data NVT1 and NVT2, it is possible to interactively change the service content as shown in FIGS. 29 to 32 according to the operation of the operator. The details will be described later.

5.2. Reception / Recording / Reproducing Apparatus 5.2.1 Overall Configuration of Reception / Recording / Reproducing Apparatus FIG. 33 shows an overall configuration diagram of the receiving / recording / reproducing apparatus 32 according to this embodiment. The radio wave captured by the antenna 20 is demodulated by the receiving means 34 as one transport stream. In the receiving mode, the transport stream from the receiving unit 34 is
0 is given. The restoring means 40 selects a packet related to a desired service from the transport stream, and according to the contents of the packet, a service content signal (for example, a composite signal such as NTSC).
Is restored and output. The video / image output means 46 receives the service content signal and outputs a video and an image.

The restoring means 40 includes an operation receiving means 54
The contents of the service signal to be output are interactively changed in accordance with the navigation data based on the operation input from.

In the recording mode, the transport stream from the receiving means is provided to the converting means. The conversion means 36 converts the transport stream into a packet multiplexed stream suitable for recording, and outputs it as a converted stream. Conversion means 36
Selects a packet related to a desired service from the transport stream, and selects only a packet necessary for reproduction from the packets to generate a converted stream. If the desired service includes navigation data, the conversion unit 36 generates a conversion stream including the navigation data. The recording means 38 converts the converted stream into the recording medium 4
Record in 4.

In the reproducing mode, the read stream reads the converted stream from the recording medium 44. The read converted stream is provided to the restoration unit 40. The restoration unit 40 restores and outputs a service content signal (for example, a composite signal such as NTSC) according to the content of the converted stream. Video /
The image output means 46 receives the service content signal,
Output video and images.

The restoring means 40 is provided with an operation receiving means 54
The contents of the service signal to be output are interactively changed in accordance with the navigation data based on the operation input from.

In this embodiment, the service content signal from the restoration means 40 is not recorded as in the conventional apparatus, but is recorded in the packet state.
Therefore, since recording can be performed including control data, recording and reproduction can be performed without impairing the function of satellite broadcasting based on the control data. In particular, since the navigation data is also recorded, it is possible to reproduce an interactive service even during reproduction.

[0202] If the recording method is a video composite signal as in the conventional apparatus, even if the service is interactive, only fixed contents according to the operation input at the time of recording can be recorded. However, according to this embodiment, recording can be performed while maintaining interactivity.

[0203] Also, since both video and audio can be recorded in a digitally compressed state, the capacity of the recording medium can be effectively utilized. Furthermore, since only packets relating to a desired service are selected from the transport stream and recorded, the capacity required for recording can be reduced. In addition, since only the packets necessary for reproduction are selected and recorded from the packets, the capacity required for recording can be reduced.

5.2.2 Specific Configuration Example and Operation of Reception / Recording / Reproducing Apparatus FIG. 34 shows a receiving / recording / reproducing apparatus 32 shown in FIG.
FIG. 3 shows a block diagram in the case of realizing using FIG. The receiving / recording / reproducing device 32 includes a receiving unit 68 and a recording / reproducing unit 70. The CPU 58 controls each unit according to a program recorded in the memory 60.

This device has three modes: a reception mode, a recording mode, and a reproduction mode. Hereinafter, the operation of each mode will be described.

(1) Reception mode Here, it is assumed that a transport stream as shown in FIG. 24 is being transmitted. Also, service SV
11, video data ES (V) 11, ES (V) 1
2, audio data ES (A) 11 and ES (A) 12 are included, and video data ES (V) 11 and audio data ES
(A) 11 is the contents of television shopping related to daily necessities, video data ES (V) 12, audio data ES (A).
It is assumed that the content 12 is the content of television shopping related to clothing.

The reception mode program recorded in the memory 60 is shown in the flowchart of FIG.

The operation when the command to switch to the service SV11 of the transport stream TS1 is given to the CPU 58 on the assumption that the service SV13 of the transport stream TS1 is currently received will be described below. The command to the CPU 58 is given from an operation panel or an operation remote controller. The operation input unit 54 shown in FIG. 34 is a light receiving unit that receives a command from the operation panel or the operation remote controller.

First, the CPU 58 sets a PAT packet ID in a control data separation register (not shown) of the transport decoder (TS decoder) 50.
The packet ID of the PAT is fixedly set to “0x0000”. Thereby, the TS decoder 50 records the content of the separated PAT in the memory 60 (step S11). The PAT describes a list of services multiplexed on the currently received transport stream TS1 (see FIG. 26). Therefore, CP
U58 knows that the desired service SV11 is multiplexed on the currently received transport stream TS1. That is, the CPU 58 advances the process from step S12 to S18.

At step S18, the acquired PA
Based on T, the packet ID of the PMT of the desired service SV11 is obtained. Here, “0x0011” is acquired (see FIG. 26). Next, the CPU 58
The packet ID “0x0011” of the TS decoder 50
Is set in the control data separation register. Thus, the PMT 1 of the service SV11 can be separated and its contents can be acquired in the memory 60 (step S1).
9).

FIG. 25 shows the PMT1 of the service SV11. The CPU 58 determines whether or not the service SV11 includes the navigation data NVT based on the PMT1 (that is, whether or not the service SV11 is an interactive service) (step S191). When the NVT is not included, the same processing as in FIG. 11 is performed, and the contents of the service are output from the TV set 46 (steps S20, S21, S22).

When the NVT is included as shown in FIG. 25, the CPU 58 recognizes the packet IDs of the video, audio, and navigation data, which are entry contents, and the packet ID of the ECM from the contents of the PMT 1 (step S192). ). Here, the video data ES (V) 1
1 packet ID “0x0096”, audio data ES
(A) The packet ID “0x0098” of 11 and the packet ID “0x0092” of the navigation data NVT1
And the packet ID “0x00” of these ECM data
82 ".

Next, the CPU 58 checks the ECM packet I
D “0x0082” is set in the control data separation register of the TS decoder 50 to acquire ECM data.
Further, this ECM data is given to the IC card 56,
The scramble key restored by the C card 56 is obtained. The scramble key obtained in this way is
It is set in the scrambler 48 (step S193). Thereby, the video data ES (V) 1 of the service SV11
1, ES (V) 12, audio data ES (A) 11, ES
(A) 12, navigation data NVT1, NVT2
Are in a descrambling state.

[0214] The CPU 58 determines that the packet ID "0" of the video and audio data ES (V) 11 and ES (A) 11.
“x0096” and “0x0098” are set in the ES separation register (not shown) of the TS decoder 50 (step S194). Thereby, the TS decoder 50 separates the separated video and audio data ES (V) 11, ES (A)
11 is output to the AV decoder 52.

[0215] Upon receiving this, the AV decoder expands (decompresses) the compression and performs D / A conversion to generate a video composite signal. This signal is provided to the TV set 46 and output as video and audio. Here, it is assumed that a moving image of television shopping of daily necessities as shown in FIG. 29 is displayed. Buttons B0 and B at the lower right of the screen
1, B2 are displayed by the following navigation data, and include video and audio data ES (V) 1.
1. Not included in ES (A) 11.

Further, the CPU 58 executes the processing in step S19
In 4, the packet ID “0x0092” of the navigation data NVT1 is set in a control data separation register (not shown) of the TS decoder 50. Thus, the navigation data NVT1 is temporarily recorded in the memory 60. Here, it is assumed that navigation data NVT1 as shown in FIG. 27 has been captured.

Subsequently, the navigation data thus recorded is interpreted and executed (step S19).
5).

FIG. 37 shows a flowchart of a program for interpreting and executing the navigation data recorded in the memory 60.

First, the navigation data NV shown in FIG.
The object index number “0” is read from the object table of T1, and a button is displayed on the screen based on the information indicated here (step S10).
01). That is, the X coordinate “500” and the Y coordinate “200”
The bitmap data shown in the bitmap table is displayed at the position. For the object with the index number “0”, it is determined in advance that a bitmap in a focused state is displayed. Therefore, here, the control is performed so that the data of the bitmap index number “1” (highlighting of “application for Osaka Center”) is displayed.

[0220] Specifically, the CPU 58 gives the data of the bitmap index number "1" (highlighted display of "Apply for Osaka Center") to the video synthesizing section 52c of the AV decoder 52. Thereby, the video synthesizing unit 5
2c generates image data in which a highlight display of “APPLY TO OSAKA CENTER” is superimposed on the video data ES (V) 11. Therefore, in the TV set 46,
As shown in FIG. 29, a button B0 is displayed.

Similarly, button B1 in FIG. 29 is displayed based on the information of index "1" in the object table of navigation data NVT1 in FIG. However, the data of the bitmap index in the normal state is displayed for those other than the object index “0”. That is, here, the display processing of “application for the Tokyo center” that is not highlighted is performed (step S1002).

Further, in the same manner, display processing of button B2 “go to clothing shop” (non-highlighted display) in FIG. 29 is performed based on the information of index “2” in the object table (step S1002). .

As described above, as shown in FIG.
A display in which the buttons B0, B1, and B2 are superimposed on the moving image of the product description is obtained. As is apparent from the screen, the button B0 “Apply for Osaka Center” is displayed as being selected. Correspondingly, the CPU 58
Stores that the object index “0” is the currently selected object.

Next, when the key 82 for moving the cursor downward is pressed from the remote control 78 (or the operation panel of the main body) shown in FIG. 38, the operation input unit 54 receives this key, and
Notify the CPU 58. The CPU 58 determines what the operation input is (step S1003), and if it is a “key for moving the cursor down”, the process proceeds to step S1004.

In step S1004, the number of the currently selected object is incremented according to the object table of the navigation data NVT1, and the object index "1" is set to the selected state. That is, for the object index “1”, a bitmap shown in the column of the focus state is displayed, and the other object indexes “0” are displayed.
For “2”, a bitmap shown in the column of the normal state is displayed.

As a result, the screen of the TV set 46 changes as shown in FIG. That is, the button B1 “Apply for Tokyo Center” is selected.

Further, when the operator presses the key 82 for moving the cursor downward, the screen display shows a state in which the button B2 "Go to clothing shop" is selected, as shown in FIG. When the key 80 for moving the cursor upward from the state shown in FIG. 31 is pressed, the screen display returns to the state shown in FIG.

In the above embodiment, only the operations of the upper and lower cursor keys 80 and 82 are shown. However, if the object indexes are arranged in a two-dimensional array, the operations are performed in consideration of the left and right keys 86 and 88. be able to.

In the state shown in FIG. 31, when the enter button 84 of the remote controller 78 is pressed, the CPU 58 proceeds to step S
The process advances from step 1003 to step S1005. In step S1005, the CPU 58 determines that the navigation data NVT1
To obtain the handler index described in the handler field of the currently selected object index. Here, since the object index “2” is selected, the handler index “2” of the handler column is acquired.

Further, referring to the handler definition table, the script corresponding to the handler index "2" is extracted and executed (step S1006). here,
Get "go to contents (index 1)". go to cont
ents () is an instruction to switch to a content having an index number in () shown in the hyperlink table.
Therefore, switching to the content (TV shopping for clothing) with the hyperlink index “1” indicated in the hyperlink table is performed.

In the hyperlink index “1” of the hyperlink table, the packet ID “0x009” of each of the video, audio, and navigation data as the link destination is set.
7 "," 0x0099 ", and" 0x0093 ". The CPU 58 stores the packet ID “0x0097” and “0x009” in the ES separation register of the TS decoder 50.
9 ", and the packet ID" 0x0093 "in the control data separation register.

As a result, the video data ES (V) 12 and the audio data ES (A) 12 are output from the TS decoder 50 to the AV decoder. Therefore, TV set 46
Displays a moving image of television shopping of clothing as shown in FIG. 32 and outputs the sound.

Also, the navigation data NVT2 shown in FIG. 28 is separated by the TS decoder 50 and recorded in the memory 60 instead of the navigation data NVT1. About this navigation data NVT2,
The process shown in FIG. 37 is performed, and buttons B10, B11, and B12 are displayed as shown in FIG.

When the operator presses the decision button 84 (see FIG. 38) in a state where the button "Apply for Osaka Center" is selected as shown in FIG. 32, the purchase application for the product displayed on the screen is made. It can be performed. Hereinafter, the processing will be described.

When the enter button 84 is pressed, the CPU 58
Proceeds from step S1003 to step S1005. In step S1005, a handler index is acquired from the handler column of the currently selected index according to the object table of the navigation data NVT2 (see FIG. 28).
Here, since the object index “0” is in the selected state, the handler index “0” is acquired.

Next, the CPU 58 executes a script corresponding to the handler index “0” in the handler definition table. That is, send_string (index1, index2) is executed. The send_string (A, B) is a command for calling the telephone number at index “A” in the character string table and transmitting the character string at index “B”. Therefore, here
The CPU 58 acquires “06-6368-XXXX” corresponding to the character string index “0” in the character string table, and
4 by controlling the line communication unit 76 shown in FIG.
-XXXX ". This telephone number is the telephone number of the Osaka reception center of this TV shopping. When the line is connected, the CPU 58 sets “Product code: B-1” corresponding to the character string index “2” in the character string table.
33 ". At this time, the CPU 58 acquires an ID for specifying the purchaser from the IC card 56 or the memory 60, and also transmits this.

The CPU 58 records in the memory 60 whether or not the above communication is successful, as an online log. FIG. 39 shows an example of the recording. “○” is recorded when the communication is successful, and “X” is recorded when the communication is unsuccessful. In addition,
The CPU 58 obtains and records the date and time of the communication from the control data TDT included in the transport stream, a calendar, a clock, and the like built therein.

By displaying this log, it is possible to know whether or not a purchase application for a product has been correctly made.

The processing in the reception mode is executed as described above. Although not described above, in this embodiment, the product described by the video data changes over time. Therefore,
Corresponding to this, navigation data having different contents (for example, those having different product codes at index “2” in the character string table) are transmitted.

(2) Recording Mode FIG. 40 is a flowchart showing a recording mode program recorded in the memory 60. Steps S11 to S
22, S192 to S195 are the same as the reception mode. Processing for recording a service that does not include navigation data, that is, processing following step S22,
This is as shown in FIG. Here, FIG. 40 shows a process for recording a service including navigation data, that is, a recording process performed in parallel with step S195. In FIG. 40, the process is proceeding using information (packet ID) acquired in the reception mode. However, when the recording mode is executed independently of the reception mode, it is necessary to acquire the PID of the desired service, the PID of the control data, and the like by the same processing as the reception mode.

The CPU 58 determines in step S23
ES packet ID of the service to be recorded, navigation data NVT packet ID, NIT packet I
D, PAT packet ID, PMT packet ID,
This is set in a recording data separation register (not shown) of the TS decoder 50. If the service SV11 is to be recorded, the respective packet IDs shown in FIGS. 25, 26 and 7 are set. For video data, audio data, and navigation data, packet IDs for both TV shopping for daily necessities and TV shopping for clothing are set.

Thus, the TS decoder 50 outputs the video and audio data ES (V) 11, ES (V) 12,
(A) 11, ES (A) 12, PAT, PMT1, NI
T is output to the converted stream generating unit 62 of the recording / reproducing unit 70 in the packet state.

The CPU 58 determines whether the PM recorded in the memory 60
T1 is acquired, and only the information on the desired service SV11 is selected from the described information, and the converted PMT1 is selected.
Is generated (step S24). For example, among information included in the PMT1, the packet ID of the ECM is unnecessary because it is unnecessary at the time of reproduction. As a result, the converted PM from which the information not related to the recording and reproduction of the desired service SV11 is removed from the information included in the PMT1.
T1 is obtained. FIG. 41 shows the converted PMT thus obtained.

Next, CPU 58 generates control data SIT describing information of services and events (programs) included in the recorded converted stream (step S).
25).

The CPU 58 gives the converted PMT1 and SIT generated as described above to the MPU 64. MPU6
4 supplies the converted stream to the converted stream generator 62 to generate a converted stream.

[0246] The converted stream generation unit 62 receives the PAT from the TS decoder 50 and receives the desired service SV11.
A PAT including only information on the PAT is generated, and the PAT is replaced with the PAT. At this time, the packet ID of the NIT included in the PAT is changed to the packet ID of the SIT. FIG. 42 shows the converted PAT. Also, the PMT from the TS decoder 50 is converted into the converted PM received from the MPU 64.
Replace with T. Further, the NI from the TS decoder 50
Replace T with the SIT received from MPU 64.

Thus, the ES of the desired service,
A packet-multiplexed conversion stream of the navigation data NVT, SIT, conversion PAT, and conversion PMT is obtained.

The CPU 58 gives a recording command to the MPU 64 (step S27). In response, MPU64
Controls the recording / reading unit 66 to record the converted stream on the magnetic tape 44. FIG. 43 schematically shows the converted stream to be recorded.

When a recording stop command is given from the operation input unit 54, the CPU 58 gives this to the MPU 64 (steps S28 and S29). In response to this, the MPU 64 stops recording by the recording / reading unit 66.

In the conversion stream recorded on the magnetic tape 44, even if the control data and the navigation data have the same contents, they are packet-multiplexed and recorded many times. Therefore, reproduction can be performed even from the middle of the magnetic tape.

If the selection of a service is changed during recording, the service changed halfway will be recorded. At this time, the conversion stream generating unit 62 detects that the information has become discontinuous (or
8), control data DIT (Discontinuity Information Table) indicating the discontinuity of information is generated. Further, as shown in FIG. 14, this DIT is
Packet multiplexing at the beginning of the changed service. Similarly, when performing new recording, this DIT is added to the head. DIT is also added when different programs in the same service are continuously recorded.

However, the navigation data NVT1,
Changes in the reception screen performed based on NVT2 (FIGS. 29 to
Service SV regardless of the change shown in FIG. 32).
11, all video, audio and navigation data are recorded.

In this embodiment, the recording / reproducing device 70 is provided with the conversion stream generating unit 62, but the receiving device 68
May be provided. Thereby, the receiving device 68
The recording / reproducing apparatus 70 may record the converted stream output from the as it is.

(3) Reproduction Mode FIG. 44 is a flowchart showing a reproduction mode program recorded in the memory 60. When a playback command is given from the operation input unit 54, the playback mode is set. In the following, description will be made assuming that data recorded in the above-described recording mode is reproduced.

First, the CPU 58 gives a reproduction command to the MPU 64 in a step S31. MPU64 is
In response to this, the recording / reading unit 66 is controlled and the magnetic tape 4
4 to read the converted stream. The read converted stream is provided to the TS decoder 50.

Next, the packet ID “0x000” of the conversion PAT is stored in the control data separation register of the TS decoder 50.
By setting "0", the converted PAT is separated from the converted stream and stored in the memory 60 (step S32). The packet ID “0x0011” of the converted PMT is recognized based on the description of the converted PAT (step S33).

Further, the control data separating register of the TS decoder 50 stores the packet ID “0x00” of the converted PMT.
11 ”is set, and the converted PMT is
Are separated and stored in the memory 60 (step S34).
Based on the description of the converted PMT, it is determined whether or not the service to be reproduced includes the navigation data NVT (step S341). The processing when the navigation data NVT is not included is shown in FIG.
Is the same as

If navigation data is included, the flow advances to step S342. In step S342, the packet ID of the entry content is recognized based on the description of the converted PMT. Here, the packet ID “0x009” of the video data ES (V) 11, the audio data ES (A) 11, and the navigation data NVT1.
6, "0x0098" and "0x0092" are recognized (step S342).

Next, the CPU 58 sets the packet IDs of the video data ES (V) 11 and the audio data ES (A) 11 in the ES separation register of the TS decoder 50, and sets the navigation data in the control data separation register. NV
The packet ID of T1 is set.

[0260] Thus, the TS decoder 50 separates the video data ES (V) 11 and the audio data ES (A) 11 from the converted stream. Separated video data E
S (V) 11 and audio data ES (A) 11 are output to the AV decoder 52 (step S343).

The AV decoder 52 receiving this expands (decompresses) the compression and performs D / A conversion to generate a video composite signal. This signal is provided to the TV set 46 and output as video and audio. Therefore, an image as shown in FIG. 29 can be obtained.

The TS decoder 50 separates the navigation data NVT1 from the converted stream,
It is temporarily stored in the memory 60 (step S343). The interpretation and execution of the navigation data NVT1 are performed (step S345). The processing in this part is the same as the processing in FIG. 37 in the reception mode. Therefore,
As shown in FIG. 29, buttons B0, B1, and B2 are displayed with button B0 selected.

Thereafter, when the cursor movement buttons 80 and 82 of the remote controller 78 are pressed, the selected button is changed as shown in FIGS. 29, 30 and 31. FIG.
When the enter button 84 is pressed in the state of FIG.
As shown in the figure, the contents are changed to the contents of TV shopping for clothing. Further, when the decision button 84 is pressed in a state where the button B10 in FIG. 32 is selected, a call is made to the Osaka center to apply for a product. The log is also recorded in the memory 60 as shown in FIG.

It should be noted that the distinction between the communication performed in the reception mode and the communication performed in the reproduction mode is also recorded in the mode column.

As described above, in the reproduction mode, the contents can be interactively changed according to the operation of the operator, as in the reception mode.

If the CPU 58 finds the presence of DIT in the converted stream during reproduction, the CPU 58 returns to step S32 and performs the following processing of the converted PAT (step S3).
7). This is because DIT indicates a discontinuous point of recorded data. In addition, the display of the operation image (such as the button B0) displayed based on the navigation data is stopped, and the interactive processing based on the currently stored navigation data is not performed.

When there is a reproduction stop command from the operation input unit 54 of the remote controller 38 or the like, the CPU 58 transmits this command to the MPU 64
(Steps S38 and S39). In response,
The MPU 64 controls the recording / reading unit 66 to stop reading from the magnetic tape 44.

5.2.3 Other Embodiments In the embodiment shown in FIG. 34, the TS decoder 50, the converted stream generator 62, and the CPU 58 (in particular, step S2
4, S25) implements the conversion means 36.
Further, the TS decoder 50 and the CPU 58 (particularly, steps S32, S33, S34, S342, S343, S343
345) implements the restoration means 40. As described above, since the TS decoder 50 is shared by both the conversion unit and the restoration unit, the configuration can be simplified.

In the embodiment shown in FIG. 34, the CPU 58 executes a part of the conversion stream generation (step S2).
4, S25), these processes may also be performed by the conversion stream generation unit 62. Further, only the packet selected by the TS decoder 50 is output from the conversion stream generation unit 6.
2, the transport stream from the descrambler 48 may be directly provided to the converted stream generation unit 62. In this case, the conversion stream generation unit 62 selects a necessary packet.

In FIG. 34, the receiving / recording / reproducing apparatus 32
However, a receiving device including only the receiving unit 68 may be used. In this case, the output 50 of the TS decoder
It is preferable to provide a recording data output terminal for extracting a, and a restoration data input terminal for receiving the converted stream 50b from the recording / reproducing unit 70.

Further, a recording / reproducing apparatus including only the recording / reproducing section 70 may be used. Further, a reproducing apparatus including only the reproducing function of the recording / reproducing section 70 or a recording apparatus including only the recording function of the recording / reproducing section 70 may be used.

Further, in the above embodiment, descrambled data is recorded, but data in a scrambled state may be recorded.
In this case, the ECM data is also recorded. In this case, the ECM data may be recorded as it is,
It may be recorded as a part of the IT data.

Although the above embodiment has been described with reference to two video / audio and two navigation data, three or more video / audio and three or more navigation data may be used. Also, one navigation data may be used for a plurality of video / audio, and a plurality of navigation data may be used for one video / audio.

In the above embodiment, by repeatedly transmitting (repeatingly recording sequentially) one set of navigation data, all the navigation data linked to each other can be stored in the memory 60 at the time of reception or reproduction.
The link is realized without being stored in (a recording device having random access). Therefore, the memory 60
Capacity can be reduced. This is particularly effective when a large number of navigation data are linked.

On the other hand, when the linked navigation data is small, or when there is enough space in the memory 60, all the navigation data linked to each other may be stored in the memory 60. This allows
It is possible to reduce the repetition frequency of the repeatedly transmitted navigation data. Further, the link processing can be speeded up.

In the above embodiment, a moving image is transmitted as video data and received and recorded and reproduced. However, a still image may be transmitted as video data and received and recorded and reproduced. . In this case, as shown in FIG. 45, a set of still images A, B,
C and D are repeatedly transmitted. These still images A,
By describing the link relationship between B, C, and D in the object table and the hyperlink table of the navigation data, it is possible to realize an interactive service as in the case of the moving image described above.

6. Fifth Embodiment 6.1. Transmitting Apparatus The basic configuration of the transmitting apparatus in this embodiment is as shown in FIG. However, the navigation data generated by the control data generator 6 is different from that of the fourth embodiment. In this embodiment, the navigation data is compared with a recording environment at the time of recording on the receiving side and a reproduction environment at the time of reproduction, and a description (program, program, etc.) is made based on the difference between the two environments. Script).

Taking the TV shopping described in the previous embodiment as an example, in this embodiment, for example,
Navigation data NV as shown in FIGS.
T1 and NVT2 are transmitted from the transmitting device. In any of the navigation data NVT1 and NVT2, the contents of the script described in the handler definition table are different from those in FIGS. 27 and 28. The details of this script will be described in the processing of the receiving device.

6.2 Reception / Recording / Reproduction Apparatus 6.2.1 Overall Configuration of Reception / Recording / Reproduction Apparatus FIG. 48 shows the overall configuration of the reception / recording / reproduction apparatus according to this embodiment. In this embodiment, a recording environment acquisition unit 72 for acquiring an environment when creating a conversion stream (that is, an environment for recording) is provided.
A conversion stream including this recording environment is generated. Therefore, the conversion stream including the recording environment is recorded on the recording medium 44.

[0280] The reproduction environment acquisition means 74 acquires the environment at the time of reproduction. The restoration unit 40 compares the reproduction environment from the reproduction environment acquisition unit 74 with the recording environment read from the recording medium, and changes the contents of the reproduction control based on the difference between the two environments.

Therefore, appropriate reproduction can be performed based on the difference between the recording environment and the reproduction environment.

6.2.2 Specific Configuration Example and Operation of Reception / Recording / Reproducing Apparatus A block diagram in the case where the receiving / recording / reproducing apparatus 32 shown in FIG. 48 is realized using a CPU is the same as FIG. 34.

This device has three modes: reception mode, recording mode, and reproduction mode. Hereinafter, the operations of the reception mode, the recording mode, and the reproduction mode will be described.

(1) Reception mode Processing in the reception mode is the same as in FIG. However, the contents of the navigation data interpreted and executed in step S195 are different.

A description will be given of the television shopping described in the above embodiment as an example. The same transport stream TS1 as that of the previous embodiment as shown in FIG. 24 is transmitted from the transmitting device. However, the navigation data NVT1 and NV shown in FIGS.
It is assumed that T2 has been sent.

Here, it is assumed that the enter button 84 of the remote controller 78 has been pressed on the screen shown in FIG. In the state of FIG. 32, buttons are displayed according to the navigation data NVT2, and the button B10 is selected. Therefore, the CPU 58 determines in FIG.
7, the handler index “0” described in the handler column of the index “0” in the object table of the navigation data NVT2 is acquired. Next, the script corresponding to the handler index “0” in the handler definition table is fetched and executed.

The first line of this script is an if statement.
If the condition described after the if statement matches, the script below then is executed, and if not, the script below then (up to endif) is ignored. Here, the condition is that mode = reproduction, that is, whether or not the reproduction mode is set. The CPU 58 stores the current operation mode switched according to the operation input from the operation input unit 54 in the memory 60. Therefore, the CPU 58
The condition is determined according to this.

[0288] Since the current mode is the reception mode, if
The condition of the statement does not match, and execution proceeds to the next if statement. Here, the condition is whether or not the reception mode is set. Since it is in the reception mode now, execute the script below then. That is, send_string (index1, index2) is executed. As a result, a call was made to the Osaka Center,
An application for the product "B-133" is made.

(2) Recording Mode FIG. 49 is a flowchart showing a recording mode program recorded in the memory 60. The basic processing is shown in FIG.
Same as 0. In the step S232, the CPU 5
8 is control data TDT (Time and Da) indicating the current date and time.
teTable) is set in the control data separation register of the TS decoder 50. Thus, the contents of the TDT are stored in the memory 60. Since the TDT is sent frequently, the CPU 58
Holds only the latest TDT in the memory 60.

Next, when generating the SIT, the CPU 58
The current date and time described in the latest TDT is included in the description of the SIT (for example, the descriptor area) (step S2).
5). Therefore, the conversion stream recorded on the magnetic tape 44 includes the recording date and time as the recording environment.

The recording time may be obtained and recorded by a calendar device or a clock device built in the device.

(3) Reproduction mode Processing in the reproduction mode is the same as that in FIG. However, the contents of the navigation data interpreted and executed in step S345 are different. Here, it is assumed that the above-described television shopping service is recorded on the magnetic tape 44.

As described in the reception mode, FIG.
It is assumed that the determination button 84 of the remote controller 78 is pressed during reproduction of the state shown in FIG. In the state of FIG. 32, buttons are displayed according to the navigation data NVT2, and the button B10 is selected. Therefore, the CPU 58 acquires the handler index “0” described in the handler column of the index “0” in the object table of the navigation data NVT2 in FIG. Next, the script corresponding to the handler index “0” in the handler definition table is fetched and executed.

[0294] Since the playback mode is currently set, the first line
The script below the then in the second line is executed, satisfying the if condition. First, the CPU 58 executes get_record_time Tr. This is an instruction to acquire the recording time recorded on the magnetic tape 44 and to substitute it for the variable Tr. CPU 58
Is S in the control data separation register of the TS decoder 50.
The SIT is acquired by setting the IT packet ID.
Further, the recording date and time included in the SIT is obtained, the recording time information is extracted, and stored in the memory 60 as a variable Tr.

Next, get_current_time Tc is executed.
This is an instruction to obtain the current time and substitute it for the variable Ts. As shown in FIG. 56, the CPU 58 obtains the current date and time from the built-in clock 61 with a calendar and stores it in the memory 60 as a variable Tc.

Further, in the if statement of the next line, the current date and time
It is determined whether Tc has passed 10800 seconds or more from the recording date Tr. If not more than 10800 minutes, se
Execute nd_string (index0, index2), call the Osaka Center, and apply for goods. If 10800 minutes or more have elapsed, send_string (index0, index2) is not executed.

As described above, according to this embodiment, the application period (10800
If the minutes have expired, it is possible to prevent the product application from being performed.

[0298] If the application is not executed despite the operation of applying for the goods, T
That may be displayed on the screen of the V set 46. This can also be described as a script of the navigation data.

If a script as shown in FIG. 50 is described, the content index “0” is linked when the relationship between the recording date and time and the reproduction date and time satisfies the condition A, and when the relationship is not satisfied. A link to the content index “1” can be made. That is, even if the same operation is performed (even if the same handler is activated), it is possible to link to different contents based on the difference between the recording date and time and the reproduction date and time. Thereby, at the time of reproduction, it is possible to output appropriate contents according to the deviation from the recording date and time.

As described above, according to this embodiment, the processing contents when the α portion and the β portion (see FIG. 46) of the script are executed differ depending on whether the mode is the reproduction mode or the reception mode. I have to. Therefore, a script intended to perform different control in the reproduction mode and the reception mode can be transmitted from the transmission side.

Further, in the above-described embodiment, the telephone is not set when the time limit has expired, but a call may be made to a different telephone number (a reception-only number when the time limit has passed). As a result, the seller can selectively use the telephone numbers that are concentrated within the time limit and the telephone numbers that are relatively infrequent after the time limit.

In the above embodiment, the condition of whether or not to execute is described in the script as an if statement. However, an execution condition table may be provided as in the following sixth embodiment.

6.2.3 Recording Environment and Reproduction Environment In the above embodiment, date and time are used as the recording and reproduction environment. However, only the date or time of recording may be used. Alternatively, whether or not it is a day of the week or a holiday may be used.

In the above embodiment, the recording date and the reproduction date are the recording environment and the reproduction environment. However, the device used for recording and the device used for reproduction may be a recording environment and a reproduction environment. For example, the type of the device is recorded as a recording environment, and the navigation data includes a description for comparing the type of the recording device with the type of the reproducing device, and converting and reproducing the recording data format based on the difference. It may be provided. Further, the recording place and the reproduction place may be a recording environment and a reproduction environment.

Further, in the above embodiment, the recording environment is described in the SIT, but may be described in a conversion PAT, a conversion PMT, or the like.

6.3. Other Embodiments In the above embodiment, data indicating the degree of deviation between the recording environment and the reproduction environment and the contents to be processed in accordance with the degree are described below.
The transmitting apparatus transmits the data in a transport stream, and the receiving recording / reproducing apparatus on the receiving side changes the processing content based on the difference between the recording environment and the reproducing environment in accordance with the data. Therefore, the transmission side can flexibly determine and change the degree of deviation between the recording environment and the reproduction environment, and the content to be processed in response to this. However, as in the second embodiment shown in FIG. 16, the degree of deviation between the recording environment and the reproduction environment and the contents to be processed in response thereto may be prepared on the side of the receiving / recording / reproducing apparatus. .

In the above embodiment, a set of navigation data is repeatedly transmitted (recorded repeatedly and sequentially). Further, in the navigation data, an operation image that can be distinguished as to which is in the selected state, and a link destination or display data of an image / audio corresponding to the selected state are described. Thus, the case of realizing the service having the interactivity has been described as an example. However, any service that has an interactive property that records the environment on the recording medium at the time of recording and changes the processing content compared with the environment at the time of reproduction can be applied, and the method of realizing the interactive property is limited to the above. Not done.

7. Sixth Embodiment 7.1. Transmitting Apparatus The basic configuration of the transmitting apparatus in this embodiment is as shown in FIG. However, the navigation data generated by the control data generator 6 is different from that of the fifth embodiment. In this embodiment, the navigation data includes a description that changes the processing content based on the reproduction environment at the time of reproduction.

Taking the TV shopping described in the previous embodiment as an example, in this embodiment, for example,
Navigation data NV as shown in FIGS.
T1 and NVT2 are transmitted from the transmitting device. In each of the navigation data NVT1 and NVT2, a condition column is provided in the handler definition table, and a corresponding condition execution table is newly added. The details of these execution conditions will be described in the processing of the receiving device.

7.2. Reception / Recording / Reproduction Apparatus 7.2.1 Overall Configuration of Reception / Recording / Reproduction Apparatus FIG. 53 shows the overall configuration of the reception / recording / reproduction apparatus according to this embodiment. In this embodiment, a reproduction environment acquisition unit 74 for acquiring an environment at the time of reproduction is provided. In the playback mode, the restoration unit 40 outputs the appropriate playback content according to the environment in consideration of the playback environment from the playback environment acquisition unit 74.

[0311] Therefore, appropriate reproduction can be performed based on the reproduction environment.

7.2.2 Specific Configuration Example and Operation of Reception / Recording / Reproducing Apparatus A block diagram in the case where the receiving / recording / reproducing apparatus 32 shown in FIG. 53 is realized using a CPU is the same as FIG. 34.

This device has three modes: reception mode, recording mode, and reproduction mode. Hereinafter, the operations of the reception mode, the recording mode, and the reproduction mode will be described.

(1) Reception mode Processing in the reception mode is the same as that in FIG. However, the contents of the navigation data interpreted and executed in step S195 are different.

A description will be given of the television shopping described in the above embodiment as an example. From the transmission device, navigation data NVT as shown in FIGS.
1. Assume that NVT2 has been sent.

Here, it is assumed that the enter button 84 of the remote controller 78 has been pressed on the screen shown in FIG. In the state of FIG. 32, buttons are displayed according to the navigation data NVT2, and the button B10 is selected. Therefore, CPU 58
The handler index “0” described in the handler column of the index “0” in the object table of the navigation data NVT2 of No. 2 is acquired. Next, a script and a condition corresponding to the handler index “0” in the handler definition table are fetched.

Since "0" is described in the condition column,
The condition corresponding to the execution condition index “3” in the execution condition table is acquired. That is, "23:59 on August 31, 1998" is the execution deadline. The CPU 58
The current date and time are acquired from the TDT in the transport stream, a built-in calendar device, a clock device, or the like (receiving time acquisition means), and it is determined whether the current date and time has passed the above execution time limit.

If the execution time limit has not passed, the script corresponding to the handler index “0” in the handler definition table is executed. Therefore, a call is made to the Osaka Center to apply for a product.

If the execution time limit has passed, the above script is not executed and no application is made.

(2) Recording Mode Processing in the recording mode is the same as in FIG.

(3) Reproduction mode Processing in the reproduction mode is the same as that in FIG. However, the contents of the navigation data interpreted and executed in step S345 are different. Here, it is assumed that the above-described television shopping service is recorded on the magnetic tape 44.

As described in the reception mode, FIG.
It is assumed that the determination button 84 of the remote controller 78 is pressed during reproduction of the state shown in FIG. In the state of FIG. 32, buttons are displayed according to the navigation data NVT2, and the button B10 is selected. Therefore, the CPU 58 acquires the handler index “0” described in the handler column of the index “0” in the object table of the navigation data NVT2 in FIG.

Next, a script and a condition corresponding to the handler index “0” in the handler definition table are fetched. Since “0” is described in the condition column, the condition corresponding to the execution condition index “3” in the execution condition table is acquired. In other words, "23:59 on August 31, 1998"
Is an execution deadline. The CPU 58 includes a TDT in the transport stream, a built-in calendar device,
The current date and time is acquired from a clock device or the like (receiving time acquisition means), and it is determined whether or not the current date and time has passed the execution time limit.

If the execution time limit has not passed, the script corresponding to the handler index “0” in the handler definition table is executed. Therefore, a call is made to the Osaka Center to apply for a product.

If the execution period has passed, the above script is not executed and no application is made.

As described above, according to this embodiment, even if the operation of applying for a product purchase such as television shopping is performed during reproduction, the application period is limited (in the above case, 23:59 on August 31, 1998). If has passed, it is possible not to apply for a product.

[0327] If the application is not executed despite the operation of applying for the product, T
That may be displayed on the screen of the V set 46. This can also be described as a script of the navigation data.

In the above embodiment, the conditions for execution are described as an execution condition table. However, as in the fifth embodiment, the conditions may be described in a script as if statements.

7.2.3 Reproduction Environment In the above embodiment, date and time are used as the recording and reproduction environment. However, only the date or time of recording may be used. Alternatively, whether or not it is a day of the week or a holiday may be used.

In the above embodiment, the reproduction date and time is used as the reproduction environment, and the reproduction date and time are determined based on the navigation data to determine the execution contents. However, the device used for the reproduction may be used as a reproduction environment, and the reproduction device may be determined based on the navigation data to determine the execution content. Further, the playback location may be set as a playback environment.

For example, in the above embodiment, which button to select and display in the initial state is fixed. However, in the navigation data, which button to select and display in the initial state may be described according to the reproduction environment (for example, the installation location of the reproduction device). In this way, the display of FIG. 29 is obtained as an initial screen when the reproduction is performed by the device installed in Osaka, and the display of FIG. 30 is reproduced when the reproduction is performed by the device installed in Tokyo.

[0332] Similarly, in the reproduction environment (for example,
The initial sound of the bilingual broadcast can be selected according to the location of the playback device).

By performing the same operation according to the receiving environment (for example, the installation location of the receiving apparatus), it is possible to obtain an optimal initial screen according to the receiving environment.

8. Seventh Embodiment In the above embodiment, navigation data as shown in FIGS. 46 and 47 is used. However, FIG.
As shown in FIG. 55, HTML (Hyper Text Markup Language)
The navigation data may be described using e). Since this HTML is widely used on the Internet, it is possible to realize control with high affinity with a computer.

In FIG. 54, “left: 500;
"top: 200" specifies the position of the button B0 to be arranged on the screen. Also, "normal_bitmap_file: bitmap
"0" and "focused_bitmap_file: bitmap1" specify that the data of bitmap0 is used as a non-selected state and the data of bitmap1 is used as a selected state.
t: 500; top: 200 "specifies the display position."
Onclick = "shopping_osaka ();""designates a script to be executed when the button is selected by the selected button, and the other buttons B1 and B2 are similarly designated.

The part 210 includes a script shopping_o which is executed when the application to the Osaka Center is decided.
saka () is described. The part 220 describes a script shopping_tokyo () that is executed when an application to the Tokyo Center is determined. The contents of the script are the same as in FIG.

The part 230 includes a script go executed when the transition to the clothing shop is selected and determined.
to_clothing_store () is described.

The HTML shown in FIGS. 54 and 55 corresponds to FIGS. 46 and 47, and provides the same display screen and processing results. Note that a self-describing language such as XML or BML may be used instead of HTML.

9. Eighth Embodiment In the above-described embodiment, the date and time described in the latest received TDT is included in the SIT, recorded on the recording medium, and read out to obtain the recording time. However, while this method is simple in processing, it has a problem that the recorded time is not completely accurate. That is, as shown in FIG. 57, the time t1 is recorded during the time 301 and the time t2 is recorded during the time 302.

Therefore, if the accuracy of the recording time is required, the recording time may be recorded as follows. As shown in FIG. 56, the CPU 58 calibrates the calendar clock 61 based on the received TDT. When generating the SIT, the CPU 58 obtains the time from a clock with a calendar, and records the time in the SIT. This makes it possible to more accurately record the recording time on the recording medium.

At the time of reproduction, the recording time is obtained based on the recording date and time in the SIT read from the recording medium. In other words, the recording date and time during SIT is acquired,
The latest recording date and time is updated and stored in the memory 60,
It is used as the latest recording date and time.

In obtaining the recording time at the time of reproduction, the problem of time inaccuracy arises as in the case of recording. Therefore, the accurate recording time may be obtained by using the built-in timer 63 of the CPU 58. That is, as shown in FIG. 58, every time the recording date and time during the SIT is obtained, the timer 63 is reset and started.
When acquiring the recording time, the time Δt measured by the timer 63 is added to the time t1 indicated by the latest recording date and time, so that the accurate recording time t1 + Δt
Can be obtained. Instead of a timer, a clock with a calendar for the recording time may be prepared and used by calibrating the clock with the recording date and time in the SIT.

Further, in the above example, in the receiving mode or the recording mode, the clock 61 with the calendar indicating the current time.
Has been calibrated by TDT. However, in the playback mode, the clock 61 with the calendar indicating the current time
Has not been calibrated by TDT. This is because, in the reproduction mode, the transport decoder 50 reads and processes the converted stream from the recording medium, and thus cannot acquire the TDT from the broadcast stream. Therefore, there is a possibility that an error may occur in the current time indicated by the clock 61 with a calendar.

In order to eliminate such an error, FIG.
As shown in FIG.
What is necessary is just to provide the S decoder 150. In the reproduction mode, the recording date and time in the SIT recorded by the TS decoder 150 is taken out and recorded in the memory 60.
The CPU 58 controls the timer 63. On the other hand, the received TDT is taken out by the TS decoder 50, and the clock 61 with a calendar is calibrated. In this way, accurate time can be obtained for both the recording time and the current time.

In the embodiment shown in FIG. 59, the tuner 1
34 and the descrambler 148, it is possible to output another service from the TV set 46 while recording a specific service.

Note that in each of the above embodiments, the TDT
Is used instead of TOT (Time Offset T
able) may be used.

10. Others In any of the above embodiments, some or all of the functions realized using the CPU may be realized by hardware. In any of the above embodiments, some or all of the functions realized by hardware may be realized by using a CPU.

[0348] In the above embodiment, a description has been given by taking as an example a magnetic tape for sequentially recording as a recording medium for recording a converted stream.
A recording medium such as a magneto-optical disk, a hard disk, a flexible disk, a DVD, and a CD-R may be used.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating a transmission state of radio waves in satellite broadcasting.

FIG. 2 is a diagram illustrating a configuration of a transmission device in satellite broadcasting.

FIG. 3 is a diagram showing a transport stream transmitted in satellite broadcasting.

FIG. 4 is a diagram showing a structure of packetized data.

FIG. 5 is a diagram showing the contents of control data PMT1.

FIG. 6 is a diagram showing the contents of control data PAT.

FIG. 7 is a diagram showing the contents of control data NIT.

FIG. 8 is a diagram illustrating a general configuration of a receiving device.

FIG. 9 is a diagram showing an overall configuration of a receiving, recording and reproducing apparatus according to the first embodiment.

FIG. 10 is a block diagram in the case where the reception and recording device of FIG. 9 is realized using a CPU.

FIG. 11 is a flowchart of a program in a reception mode.

FIG. 12 is a flowchart of a program in a recording mode.

FIG. 13 is a diagram showing a conversion stream recorded on a recording medium.

FIG. 14 is a diagram showing a state where control data DIT is inserted.

FIG. 15 is a flowchart of a program in a reproduction mode.

FIG. 16 is a diagram illustrating an overall configuration of a receiving, recording and reproducing apparatus according to a second embodiment.

FIG. 17 is a flowchart of a program in a recording mode.

FIG. 18 is a flowchart of a program in a reproduction mode.

FIG. 19 is a diagram showing an overall configuration of a receiving, recording and reproducing apparatus according to a third embodiment.

FIG. 20 is a diagram showing a transport stream of bilingual broadcasting.

FIG. 21 is a flowchart of a program in a reception mode.

FIG. 22 is a flowchart of a program in a recording mode.

FIG. 23 is a flowchart of a program in a reproduction mode.

FIG. 24 is a diagram illustrating a transport stream in the fourth embodiment.

FIG. 25 is a diagram showing the contents of control data PMT1.

FIG. 26 shows the contents of control data PAT.

FIG. 27 is a diagram showing the contents of navigation data NVT1.

FIG. 28 is a diagram showing the contents of navigation data NVT2.

FIG. 29 is a diagram showing a daily necessity television shopping screen displayed on the TV set 46.

FIG. 30 is a diagram showing a daily necessity television shopping screen displayed on the TV set 46.

FIG. 31 is a diagram showing a screen for daily necessity television shopping displayed on the TV set 46.

32 is a diagram showing a clothing TV shopping screen displayed on the TV set 46. FIG.

FIG. 33 is a diagram showing an overall configuration of a receiving, recording and reproducing apparatus according to a fourth embodiment.

FIG. 34 is a diagram showing a hardware configuration when the reception recording / reproducing apparatus of FIG. 33 is realized using a CPU.

FIG. 35 is a diagram showing details of an AV decoder 52.

FIG. 36 is a flowchart of a program in a reception mode.

FIG. 37 is a flowchart of a program (basic program) for interpreting and executing navigation data.

FIG. 38 is a diagram showing an appearance of a remote control device 78.

39 shows the contents of a communication log recorded in a memory 60. FIG.

FIG. 40 is a flowchart of a program in a recording mode.

FIG. 41 is a diagram showing the contents of a converted PMT.

FIG. 42 is a diagram showing the contents of a conversion PAT.

FIG. 43 is a diagram schematically showing a conversion stream recorded on a recording medium.

FIG. 44 is a flowchart of a program in a reproduction mode.

FIG. 45 is a diagram illustrating a case where a still image is transmitted.

FIG. 46 is a diagram showing the contents of navigation data NVT1.

FIG. 47 is a diagram showing the contents of navigation data NVT2.

FIG. 48 is a diagram showing an overall configuration of a receiving, recording and reproducing apparatus according to a fifth embodiment.

FIG. 49 is a flowchart of a program in a recording mode.

FIG. 50 is a diagram illustrating another example of the script of the handler definition table.

FIG. 51 is a diagram showing the contents of navigation data NVT1.

FIG. 52 is a diagram showing the contents of navigation data NVT2.

FIG. 53 is a diagram illustrating the overall configuration of a receiving, recording and reproducing apparatus according to a sixth embodiment.

FIG. 54 is a diagram showing HTML navigation data NVT1 in the seventh embodiment.

FIG. 55 is a diagram showing HTML navigation data NVT2 in the seventh embodiment.

FIG. 56 is a diagram showing an internal structure of a CPU 58.

FIG. 57 is a diagram illustrating a recording state of time in a recording mode.

FIG. 58 is a diagram illustrating an acquisition state of a recording time in a reproduction mode.

FIG. 59 is a block diagram of a receiving / recording / reproducing apparatus according to an eighth embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 20 ... Antenna 32 ... Receiving recording / reproducing apparatus 34 ... Receiving means 36 ... Conversion means 38 ... Recording means 40 ... Restoring means 42 ... Reading means 46 ... Video / audio Output means 48 ... De-scrambler 50 ... Transport decoder 52 ... AV decoder 54 ... Operation input unit 56 ... IC card 58 ... CPU 60 ... Memory 62 ... -Conversion stream generation unit 64-MPU 66-Recording / reading unit 68-Receiving unit 70-Recording / reproducing unit 72-Recording environment acquisition unit 74-Reproduction environment acquisition unit

Claims (83)

[Claims] 1. A receiving means for receiving a transport stream in which a plurality of services are packet-multiplexed, and a converting means for selecting a packet relating to a desired service from the received transport stream and outputting the selected packet as a converted stream. Recording means for recording the converted stream from the converting means on a recording medium; reading means for reading the converted stream recorded on the recording medium; receiving the converted stream from the reading means, and reproducing and outputting the service contents. Means for digital broadcasting, comprising: 2. The recording / reproducing apparatus according to claim 1, wherein said converting means selects a packet of an elementary stream, a PAT, and a PMT from packets relating to a desired service in the transport stream to generate a converted stream. Characterized by that. 3. The recording / reproducing apparatus according to claim 1, wherein the converting means also provides the recording means with environment information when the converted stream is generated, and the recording means uses the converted information as recording environment information together with the converted stream or when converting the converted stream. The data is recorded on the recording medium as a part of the stream, and the restoration means compares the reproduction environment when reproducing the converted stream from the reading means with the recording environment information recorded on the recording medium, and based on the difference between the two environments. And changing the content of playback control. 4. The recording / reproducing apparatus according to claim 3, wherein the converting means supplies the recording means with recording time information indicating the time when the recording was performed, as the recording environment information, and the restoring means outputs the information when the reproduction is being performed. Is compared with the information at the time of recording recorded on the recording medium, and the content of the reproduction control is changed based on the difference between the two. 5. The recording / reproducing apparatus according to claim 4, wherein the converting means includes a TDT, TDT,
A method in which information at the time of recording is acquired based on OT or PCR and given to recording means. 6. The recording / reproducing apparatus according to claim 3, wherein the converting means supplies the recording means with recording location information indicating the recording location as recording environment information, and the restoring means determines the location where the reproduction is performed. The reproduction location information is compared with recording location information recorded on a recording medium, and the content of reproduction control is changed based on a difference between the two. 7. The recording / reproducing apparatus according to claim 3, wherein the converting means supplies the recording means with recording apparatus information indicating the apparatus on which the recording has been performed as recording environment information, and the restoring means determines the apparatus on which the reproduction is being performed. The reproducing device information is compared with recording device information recorded on a recording medium, and the content of reproduction control is changed based on a difference between the two. 8. A video or audio or video / audio elementary stream selected from packets related to a desired service in the transport stream,
An AT and a recording medium recording packet multiplexed data of a PMT, wherein the PMT extracts only information relating to the elementary stream relating to a desired service from information of the PMT in a transport stream. Characterized by being composed. 9. A recording medium on which the packet multiplexed data of claim 8 is recorded, wherein the recording environment information is also recorded in a packet multiplexed manner. 10. A transmission apparatus for transmitting a transport stream including content data, wherein the transport stream includes a command for comparing recording environment information and reproduction environment information and changing reproduction control contents. Or, characterized by containing data. 11. A transport stream in which a plurality of services are packet-multiplexed, a packet relating to a desired service is selected from the received transport stream to be a converted stream, and the converted stream is recorded on a recording medium. A recording / reproducing method comprising: recording, reading a converted stream recorded on a recording medium, receiving the converted stream, and reproducing and outputting service contents. 12. A transmitting side transmits a transport stream including service contents, and a receiving side selects a packet related to a desired service from the received transport stream, generates a converted stream, and records the converted stream on a recording medium. A communication method for restoring service contents according to the received transport stream in the reception mode and the converted stream read from the recording medium in the reproduction mode, and whether the reception mode is the reception mode. A communication method characterized by changing output contents depending on whether a playback mode is set. 13. A receiving means for receiving a packetized transport stream; a converting means for selecting a packet relating to a desired service from the received transport stream to generate a converted stream; Recording means for recording the converted stream on a recording medium; reading means for reading the converted stream recorded on the recording medium;
And a restoring means for receiving the converted stream from the reading means in the playback mode and restoring the service content signal. It is characterized by changing the control content according to the reproduction environment at the time. 14. The apparatus according to claim 1, wherein the restoring means changes control contents according to a reproduction environment at the time of reproduction, and changes contents of a service content signal to be output. 15. The apparatus according to claim 14, wherein said reproduction environment is a reproduction environment. 16. The apparatus according to claim 14, wherein said reproduction environment is a reproduction place. 17. The apparatus according to claim 14, wherein said reproduction environment is a reproduction apparatus. 18. A video or audio or video / audio elementary stream selected from packets related to a desired service in the transport stream,
A PAT and a recording medium recording packet multiplexed data of a PMT, wherein the PMT extracts only information related to the elementary stream relating to a desired service from information of the PMT in a transport stream. The recording medium according to claim 1, wherein the packet multiplexed data includes a condition or an instruction applied only during reproduction or a condition or instruction not applied only during reproduction. 19. A transmission apparatus for transmitting a transport stream including content data, wherein the transport stream includes a condition or an instruction applied only during reproduction or a condition or instruction not applied only during reproduction. Characterized by the fact that 20. A transmission apparatus for transmitting a transport stream including content data, wherein the transport stream includes a program script having different control contents depending on whether the mode is a reception mode or a reproduction mode. Features that are included. 21. Receiving means for receiving a packetized transport stream including interactive control data for realizing interactivity, and selecting a packet related to a desired service from the received transport stream. Converting means for generating a converted stream containing the interactive control data; recording means for recording the converted stream from the converting means on a recording medium; reading means for reading the converted stream recorded on the recording medium; An operation receiving means for receiving an operation input;
Receiving the converted stream from the reading means in the playback mode, and restoring the service content signal including the operation image, and outputting the stream in accordance with the operation input of the operator based on the interactive control data in the stream. And a restoring means for interactively changing the content of the service content signal to be received. 22. A digital receiving apparatus for receiving a transport stream and outputting recording data for recording a desired service having interactivity, comprising: interactive control data for realizing interactivity. Receiving means for receiving a packetized transport stream, converting means for selecting a packet relating to a desired service from the received transport stream, and generating a converted stream containing interactive control data; And a recording data output terminal for providing the converted stream to the recording device. 23. Receiving a transport stream,
A digital recording device for recording a desired service having interactivity, comprising: a conversion unit for selecting a packet related to a desired service from a transport stream and generating a conversion stream including interactive control data; Recording means for recording a converted stream from the means on a recording medium; and a recording device for digital broadcasting, comprising: 24. A reproducing apparatus for reading a converted stream recorded on a recording medium to reproduce an interactive service, comprising: a reading means for reading the converted stream recorded on the recording medium; An operation receiving unit for receiving an operation input, receiving a converted stream from the reading unit, restoring a service content signal including an operation image, and, based on interactive control data in the stream, according to the operation input of the operator, A reproducing unit that interactively changes the content of the service content signal to be output. 25. A receiving means for receiving a packetized transport stream containing interactive control data for realizing interactivity, a restoration data input terminal for receiving a converted stream, and an operator. Receiving the transport stream from the receiving means or the conversion stream from the data input terminal for restoration, and restoring the service content signal including the operation image, and the interactive reception in the stream. A restoring means for interactively changing the content of a service content signal to be output in accordance with an operation input by an operator based on the control data; 26. The apparatus according to claim 21, wherein a plurality of sets of interactive control data associated with each other are set in the transport stream, and the sets are repeatedly transmitted a plurality of times. The interactive control data has data for displaying an operation button having a display state of a selected state and a non-selected state, and has link information or display data of image data in association with the operation button. What is characterized by. 27. An apparatus according to any one of claims 21 to 23, 26, wherein the converting means converts the packet of the elementary stream, the PAT, the PMT and the interactive control data among the packets relating to the desired service in the transport stream. Selecting and generating a conversion stream. 28. An apparatus according to any one of claims 21 to 23, 26, and 27, wherein the converting means comprises:
A conversion stream in which control data indicating discontinuity is inserted. 29. An apparatus according to claim 28, wherein when the restoration means finds control data indicating discontinuity in the read converted stream, the navigation data recorded before the control data indicating discontinuity is found. It is characterized by not performing interactive processing based on. 30. The receiving / recording / reproducing apparatus according to claim 21, wherein the converting means also provides the recording means with an environment at the time of generating the converted stream, and the recording means outputs this as recording environment information together with the converted stream or the converted stream. Partly recorded on the recording medium, the restoration unit compares the reproduction environment when reproducing the converted stream from the reading unit with the recording environment information recorded on the recording medium, and based on the difference between the two environments, The feature of changing the content of playback control. 31. A receiving apparatus according to claim 22, wherein said converting means outputs environment information for generating the converted stream from a recording data output terminal as a part of the converted stream or together with the converted stream. What to do. 32. The recording apparatus according to claim 23, wherein the converting means also supplies the environment information when generating the converted stream to the recording means as a part of the converted stream or together with the converted stream. A feature that records information. 33. An apparatus according to claim 24, wherein the restoring means compares a reproduction environment for reproducing the converted stream from the reading means with recording environment information recorded on a recording medium, and determines a difference between the two environments. Based on this, the content of the reproduction control is changed. 34. The apparatus according to claim 30 or 33, wherein the restoring means changes the content of the reproduction control depending on whether or not the content of the service content signal to be output is interactively changed based on the difference in the environment. It is characterized by being. 35. The apparatus according to claim 30, wherein the restoring means changes the contents of the reproduction control depending on whether or not to execute a part or all of the instructions included in the interactive control data. What to do. 36. The apparatus according to claim 30, wherein the restoring means determines a difference between the reproduction environment information and the recording environment information.
It is characterized by determining according to the conditions included in the interactive control data and changing the content of the reproduction control. 37. The apparatus according to claim 35, further comprising communication means for performing communication with the outside, wherein said restoration means performs communication by said communication means in response to an operation input by an operator. Or not, based on the difference between the environments. 38. The apparatus according to claim 37, further comprising: a log recording unit that records log information of communication performed by the communication unit in response to an operation input by an operator, wherein the log information recording unit has a communication mode in a reproduction mode. Or data for judging whether the communication is in the reception mode. 39. The apparatus according to claim 30, wherein the recording environment or the reproduction environment is a time of recording or a time of reproduction, respectively. 40. The apparatus according to claim 30, wherein the recording environment or the reproduction environment is at the time of recording or at the time of reproduction, respectively.
Recording time is obtained based on OT or PCR, and given to recording means as recording time information. 41. The apparatus according to claim 30, wherein the recording environment or the reproduction environment is a recording time or a reproduction time, respectively, and further comprises a clock means for measuring a current time. The recording time is obtained based on the output of the clock means, and is given to the recording means as recording time information. 42. The apparatus according to claim 30, wherein the recording environment or the reproduction environment is a recording time or a reproduction time, respectively, and further comprises a clock means for measuring a current time, and the restoring means is a clock means. A device for acquiring information at the time of reproduction based on an output. 43. The apparatus according to claim 30, wherein the recording environment or the reproduction environment is a recording place or a reproduction place, respectively. 44. The apparatus according to claim 30, wherein the recording environment or the reproducing environment is a recording device or a reproducing device, respectively. 45. A receiving means for receiving a transport stream including a program script, and a converter for selecting a packet relating to a desired service from the received transport stream and generating a converted stream including the program script. Means, recording means for recording the converted stream from the converting means on a recording medium, reading means for reading the converted stream recorded on the recording medium, operation receiving means for receiving an operation input by an operator, and receiving in a receiving mode. Transport from means
Receiving a converted stream from the reading means in the playback mode, and restoring the service content signal and performing control based on the program / script in the stream. The receiving and recording / reproducing apparatus of the above, wherein the restoring means, even when executing the same program script, in the receiving mode and the reproducing mode,
It is characterized by different control contents. 46. A receiving means for receiving a transport stream including a program script, and a converter for selecting a packet relating to a desired service from the received transport stream and generating a conversion stream including the program script. Means, recording means for recording the converted stream from the converting means on a recording medium, reading means for reading the converted stream recorded on the recording medium, operation receiving means for receiving an operation input by an operator, and receiving in a receiving mode. Transport from means
Receiving a converted stream from the reading means in the playback mode, and restoring the service content signal and performing control based on the program / script in the stream. Wherein the recording means records the recording time on a recording medium together with a converted stream or as a part of the converted stream, and the restoring means compares the current time and the recorded time in the reproducing mode. Comparing the contents of the control based on the comparison. 47. A conversion circuit for selecting a packet relating to a desired service from a transport stream including interactive control data for realizing interactivity, and outputting the selected packet as a conversion stream including the interactive control data, and a conversion circuit. A recording unit for recording a converted stream recorded on a recording medium, a reading unit for reading the converted stream recorded on the recording medium, and a decoder for separating and outputting an elementary stream and interactive control data from the read converted stream. And a signal generation circuit that generates a service content signal in response to an elementary stream from the decoder and a command from the control unit, a control unit that controls the operation of the decoder, and a basic program that defines the operation of the control unit. Recording section and the operator A recording / reproducing apparatus comprising: an operation receiving unit that receives an operation input; and wherein the basic program generates an operation image signal based on interactive control data, provides the operation image signal to a signal generation circuit, and is included in the interactive control data. By interpreting the control program or condition data and controlling to change the interactive control data separated by at least the decoder based on the operation input of the operator,
A recording / reproducing apparatus for digital broadcasting, which causes a control unit to perform a process of outputting a service content signal having an interactive property from a signal generation circuit. 48. The recording / reproducing apparatus according to claim 47, wherein the recording section records the conversion stream from the conversion circuit together with recording environment information on a recording medium, and the basic program is further read from the recording medium. Comparing the recording environment information with the reproduction environment, interpreting the control program or condition data included in the interactive control data, and changing the control content for the decoder and / or the signal generation circuit based on the difference between the two environments. That causes the control unit to perform various processes. 49. A conversion circuit for selecting a packet relating to a desired service from a given transport stream and outputting it as a conversion stream including interactive control data, and recording the conversion stream from the conversion circuit on a recording medium. A recording unit, a reading unit that reads a converted stream recorded on a recording medium, a decoder that separates and outputs an elementary stream and interactive control data from the read converted stream, and an elementary stream and control from the decoder For controlling a recording / reproducing apparatus including a signal generation circuit for generating a service content signal in response to a command from the unit, a control unit for controlling the operation of the decoder, and an operation receiving unit for receiving an operation input of an operator. A basic program recording medium on which a basic program of An operation image signal is generated based on the interactive control data and supplied to a signal generation circuit, and a control program or condition data included in the interactive control data is interpreted and separated by at least a decoder based on an operation input of an operator. By controlling the interactive control data to change,
A basic program recording medium in which a basic program for causing a control unit to perform a process of outputting a service content signal having an interactive property from a signal generation circuit is recorded. 50. A basic program recording medium in which a basic program according to claim 49 is recorded, wherein recording environment information is recorded on a recording medium, and said basic program is used for recording environment information read from a recording medium and reproducing the recording environment information. The control unit interprets the control program or the condition data included in the interactive control data, compares the control program or the condition data with the environment, and changes the control content for the decoder or the signal generation circuit or both based on the difference between the two environments. A basic program recording medium on which a basic program to be performed by a user is recorded. 51. A conversion circuit for selecting a packet relating to a desired service from a given transport stream and outputting the packet as a conversion stream including a program script, and recording the conversion stream from the conversion circuit on a recording medium. A recording unit, a reading unit that reads a converted stream recorded on a recording medium, a decoder that separates and outputs an elementary stream and data including a program / script from the read converted stream, and an elementary from the decoder A recording / reproducing apparatus including a signal generation circuit that generates a service content signal in response to a stream and a command from a control unit, a control unit that controls an operation of a decoder, and an operation reception unit that receives an operation input of an operator. A basic program recording medium on which a basic program for controlling is recorded. In order to interpret the part of the program script that is intended to have different execution results depending on the reception mode and the playback mode, and to make the control contents different depending on the reception mode and the playback mode A basic program recording medium on which a basic program is recorded. 52. A recording medium for recording at least a selected elementary stream, a PAT, a PMT, and packet multiplexed data of interactive control data among packets related to a desired service in a transport stream, The PMT is configured by extracting only information relating to the elementary stream relating to a desired service from all information of the PMT in the transport stream, and the interactive control data includes a plurality of pieces of information associated with each other. Wherein the interactive control data is repeatedly recorded a plurality of times as a set. 53. The recording medium according to claim 52, further comprising environment information at the time of recording. 54. A conversion circuit for selecting a packet relating to a desired service from a given transport stream and outputting the packet as a conversion stream including interactive control data, and recording the conversion stream from the conversion circuit together with recording environment information. A recording unit that records on a medium, a reading unit that reads a converted stream recorded on a recording medium, a decoder that separates and outputs an elementary stream and control data from the read converted stream,
A signal generation circuit that generates a service content signal in response to an elementary stream from a decoder and a command from a control unit, a control unit that controls the operation of the decoder, and a recording that records a basic program that defines the operation of the control unit. Department and
For a recording / reproducing apparatus including an operation receiving unit that receives an operation input of an operator, a conversion stream that is interpreted by the basic program or includes interactive control data for performing control in cooperation with the basic program is recorded. A recording medium, wherein the interactive control data is interpreted by the basic program or cooperates with the basic program to generate an operation image signal and supply it to a signal generation circuit, based on an operation input of an operator. A process for causing a signal generation circuit to output a service content signal having interactivity by controlling at least interactive control data separated by a decoder. 55. The recording medium according to claim 54, wherein said interactive control data is interpreted by said basic program or in cooperation with said basic program,
Further, the recording environment information read from the recording medium is compared with the reproduction environment, and processing for changing the control content for the decoder and / or the signal generation circuit is performed based on the difference between the two environments. Characterized by that. 56. A conversion circuit for selecting a packet relating to a desired service from a given transport stream, and outputting the selected stream as a conversion stream including a program script, and recording the conversion stream from the conversion circuit together with recording environment information. A recording unit that records on a medium, a reading unit that reads a converted stream recorded on a recording medium, a decoder that separates and outputs data including an elementary stream and a program / script from the read converted stream, and a decoder A signal generation circuit that generates a service content signal in response to an elementary stream from the controller and a command from the control unit, a control unit that controls the operation of the decoder, and a recording unit that records a basic program that defines the operation of the control unit And a record comprising an operation receiving unit for receiving an operation input of an operator For a raw device, a recording medium that records a conversion stream that includes a program script that is interpreted by the basic program or performs control in cooperation with the basic program, wherein the program script includes a reception mode and A device comprising a portion configured to perform different controls in a reproduction mode. 57. Receives a packetized transport stream including interactive control data for realizing interactivity, selects a packet related to a desired service from the received transport stream, and performs interactive processing. Generates a conversion stream containing control data, records the conversion stream on a recording medium, reads the conversion stream recorded on the recording medium, receives a received transport stream in a reception mode, and records a recording medium in a reproduction mode. Receiving the converted stream read from the server, restores the service content signal including the operation image, and, based on the interactive control data in the stream, interprets the content of the service content signal to be output in accordance with the operation input of the operator. And a receiving / recording / reproducing method. 58. The receiving / recording / reproducing method according to claim 57, wherein a recording environment is also recorded as recording environment information together with or as a part of the converted stream on the recording medium. A reproduction environment for reproducing a read converted stream is compared with recording environment information recorded on a recording medium, and the content of reproduction control is changed based on a difference between the two environments. 59. A transmission device for multiplexing and transmitting a transport stream including content data and interactive control data for realizing interactivity, wherein the interactive control data includes a plurality of interactive controls associated with each other. As a set of data, the set is repeatedly transmitted a plurality of times, and the interactive control data compares the recording environment at the time of recording on the receiving side with the reproduction environment at the time of reproduction. A transmitting device comprising an instruction to change. 60. A transmission method for multiplexing and transmitting a transport stream including content data and interactive control data for realizing interactivity, wherein the interactive control data includes a plurality of interactive controls associated with each other. As a set of data, the set is repeatedly transmitted a plurality of times, and the interactive control data compares the recording environment at the time of recording on the receiving side with the reproduction environment at the time of reproduction. A transmission method comprising an instruction to change. 61. A carrier for carrying a transport stream containing content data and interactive control data for realizing interactivity, wherein the interactive control data is a set of a plurality of interactive control data associated with each other. The set is repeatedly transmitted a plurality of times, and the interactive control data includes a command to change a processing content by comparing a recording environment when recorded on the receiving side with a reproduction environment when reproduced. Characterized by the fact that 62. A carrier for carrying a transport stream including content data and control data, wherein the control data is a plurality of sets of control data associated with each other, and the set is repeatedly transmitted a plurality of times. The control data includes a portion for performing different control contents in a reception mode and a reproduction mode. 63. A transmitting side transmits a transport stream including interactive control data for realizing interactivity, and a receiving side selects a packet related to a desired service from the received transport stream, and A service including an operation image according to a received transport stream in a reception mode and a conversion stream read from a recording medium in a reproduction mode, in which a conversion stream including control data is generated and recorded on a recording medium. A communication method for restoring contents and interactively changing contents to be output in accordance with an operation input of an operator based on interactive control data in the stream. The blanking control data, in the playback mode and the reception mode, the communication method characterized by comprising the different instructions or data of processing content. 64. A transmitting apparatus for multiplexing and transmitting a transport stream including content data and interactive control data for realizing interactivity, wherein the interactive control data includes a plurality of interactive controls associated with each other. As a set of data, the set is repeatedly transmitted a plurality of times, The interactive control data, on the receiving side,
A transmission device comprising instructions or data having different processing contents between a reception mode and a reproduction mode. 65. Receiving means for receiving a packetized transport stream including interactive control data for realizing interactivity, and selecting a packet related to a desired service from the received transport stream. Converting means for generating a converted stream containing the interactive control data; recording means for recording the converted stream from the converting means on a recording medium; reading means for reading the converted stream recorded on the recording medium; An operation receiving means for receiving an operation input;
Receiving the converted stream from the reading means in the playback mode, and restoring the service content signal including the operation image, and outputting the stream in accordance with the operation input of the operator based on the interactive control data in the stream. And a restoring means for interactively changing the content of a service content signal to be transmitted. A receiving / recording / reproducing apparatus for digital broadcasting, comprising: a restoring means for changing control contents according to a reproduction environment at the time of reproduction. It is characterized by being. 66. A digital receiving apparatus for receiving a transport stream and outputting recording data for recording a desired service having interactivity, the digital receiving apparatus comprising: interactive control data for realizing interactivity; Receiving means for receiving a packetized transport stream, converting means for selecting a packet relating to a desired service from the received transport stream, and generating a converted stream containing interactive control data; A recording data output terminal for providing a conversion stream to a recording device, and a receiving device for digital broadcasting, comprising: the interactive control data, when reproduced from the recording device, Contains instructions or data that perform different processing. Those that characterized in that the Dale. 67. Receiving a transport stream,
A digital recording device for recording a desired service having interactivity, comprising: a conversion unit for selecting a packet related to a desired service from a transport stream and generating a conversion stream including interactive control data; Recording means for recording the converted stream from the means on a recording medium, comprising: a recording device for digital broadcasting, wherein the interactive control data recorded on the recording medium is, when reproduced, at the time of reception and Is characterized by containing instructions or data for performing different processing. 68. A reproducing apparatus for reading a converted stream recorded on a recording medium and reproducing an interactive service, comprising: reading means for reading the converted stream recorded on the recording medium; An operation receiving unit for receiving an operation input, receiving a converted stream from the reading unit, restoring a service content signal including an operation image, and, based on interactive control data in the stream, according to the operation input of the operator, And a restoring means for interactively changing the content of the service content signal to be output, wherein the interactive control data recorded on the recording medium comprises:
Features that include conditions or instructions that apply only during playback, or conditions or instructions that do not apply only during playback. 69. A receiving means for receiving interactive control data for realizing interactivity and receiving a packetized transport stream, a restoration data input terminal for receiving a converted stream, and an operator Receiving the transport stream from the receiving means or the conversion stream from the data input terminal for restoration, and restoring the service content signal including the operation image, and the interactive reception in the stream. A restoring means for interactively changing the content of a service content signal to be output in accordance with an operation input of an operator based on the control data; and a receiving device for digital broadcasting, comprising: interactive control data in a converted stream. Applies only on playback Matter or instructions, or those characterized by that only contain not applicable conditions or instructions during playback. 70. The apparatus according to claim 64, wherein a plurality of sets of interactive control data associated with each other are set in the transport stream, and the sets are repeatedly transmitted a plurality of times. The interactive control data has data for displaying an operation button having a display state of a selected state and a non-selected state, and has link information or display data of image data in association with the operation button. What is characterized by. 71. An apparatus according to any one of claims 65 to 70, wherein the conversion means selects an elementary stream, a PAT, a PMT, and an interactive control data packet from packets relating to a desired service in the transport stream. , Generating a conversion stream. 72. The apparatus according to claim 65, wherein the restoring means determines a reproduction environment at the time of reproduction according to a condition included in the interactive control data, and changes the control content according to the reproduction environment. Features that change. 73. The apparatus according to claim 72, wherein the restoring means changes the content of the reproduction control depending on whether or not to change the content to be output interactively. 74. The apparatus according to claim 72, further comprising communication means for performing communication with the outside, wherein the restoration means determines whether or not to perform communication by said communication means in response to an operation input by an operator. , Determined according to the reproduction environment at the time of reproduction. 75. The apparatus according to claim 74, further comprising a log recording unit that records log information of communication performed by the communication unit in response to an operation input by an operator, wherein the log information recording unit includes a communication device in a reproduction mode. Or data for judging whether the communication is in the reception mode. 76. The apparatus according to claim 72, wherein the reproduction environment is a reproduction environment. 77. The apparatus according to claim 72, wherein said reproduction environment is a reproduction place. 78. The apparatus according to claim 72, wherein said reproduction environment is a reproduction apparatus. 79. A conversion circuit for selecting a packet related to a desired service from a transport stream including interactive control data for realizing interactivity, and outputting the selected packet as a conversion stream including interactive control data, and a conversion circuit. A recording unit for recording a converted stream recorded on a recording medium, a reading unit for reading the converted stream recorded on the recording medium, and a decoder for separating and outputting an elementary stream and interactive control data from the read converted stream. And a signal generation circuit that generates a service content signal in response to an elementary stream from the decoder and a command from the control unit, a control unit that controls the operation of the decoder, and a basic program that defines the operation of the control unit. Recording section and the operator A recording / reproducing apparatus comprising: an operation receiving unit that receives an operation input; and wherein the basic program generates an operation image signal based on interactive control data, provides the operation image signal to a signal generation circuit, and is included in the interactive control data By interpreting the control program or condition data and controlling to change the interactive control data separated by at least the decoder based on the operation input of the operator,
When the service content signal having the interactive property is output from the signal generation circuit, and it is determined whether or not the command included in the interactive control data is applied at the time of reproduction, and is applied at the time of reproduction. A recording / reproducing apparatus for digital broadcasting, which causes the control unit to perform processing for executing the command only. 80. A conversion circuit for selecting a packet relating to a desired service from a given transport stream and outputting it as a conversion stream containing interactive control data, and recording the conversion stream from the conversion circuit on a recording medium. A recording unit, a reading unit that reads a converted stream recorded on a recording medium, a decoder that separates and outputs an elementary stream and interactive control data from the read converted stream, and an elementary stream and control from the decoder For controlling a recording / reproducing apparatus including a signal generation circuit for generating a service content signal in response to a command from the unit, a control unit for controlling the operation of the decoder, and an operation receiving unit for receiving an operation input of an operator. A basic program recording medium on which a basic program of An operation image signal is generated based on the interactive control data and supplied to a signal generation circuit, and a control program or condition data included in the interactive control data is interpreted and separated by at least a decoder based on an operation input of an operator. By controlling the interactive control data to change,
When the service content signal having the interactive property is output from the signal generation circuit, and it is determined whether or not the command included in the interactive control data is applied at the time of reproduction, and is applied at the time of reproduction. And a basic program recording medium for recording a basic program for causing the control unit to perform a process for executing the instruction. 81. A recording medium for recording at least a selected elementary stream, a PAT, a PMT, and packet multiplexed data of interactive control data among packets related to a desired service in a transport stream, The PMT is configured by extracting only information relating to the elementary stream relating to a desired service from all information of the PMT in the transport stream, and the interactive control data includes a plurality of pieces of information associated with each other. A set of interactive control data is repeatedly recorded a plurality of times, and the interactive control data includes a condition or an instruction that is applied only during reproduction or a condition or an instruction that is not applied only during reproduction. Features Recording medium. 82. A conversion circuit for selecting a packet relating to a desired service from a given transport stream and outputting the selected packet as a conversion stream containing interactive control data, and recording the conversion stream from the conversion circuit together with recording environment information. A recording unit that records on a medium, a reading unit that reads a converted stream recorded on a recording medium, a decoder that separates and outputs an elementary stream and interactive control data from the read converted stream, and an element from the decoder. A signal generation circuit that generates a service content signal in response to a command from the mental stream and the control unit, a control unit that controls the operation of the decoder, a recording unit that records a basic program that defines the operation of the control unit, Recording / reproduction provided with an operation receiving unit for receiving an operation input of a user A recording medium recording interactive control data interpreted by the basic program or for performing control in cooperation with the basic program, wherein the interactive control data is interpreted by the basic program or In cooperation with the basic program, an operation image signal is generated and supplied to a signal generation circuit, and based on an operation input by an operator, at least interactive control data separated by a decoder is controlled to be changed, so that interactivity can be improved. The interactive control data includes a condition or command that is applied only during playback, or a condition or command that is not applied only during playback. Is characterized by The. 83. A carrier for carrying a transport stream containing content data and interactive control data for realizing interactivity, wherein the interactive control data is a set of a plurality of interactive control data associated with each other. That the set is repeatedly transmitted a plurality of times, and that the interactive control data includes a condition or command applied only at the time of reproduction or a condition or command not applied only at the time of reproduction in the navigation program. Features.