JPH11284968A - Digital tv broadcast transmitter, digital tv broadcast receiver, digital tv broadcast transmission/reception system and computer readable storage medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a system where a viewer can easily reserve a program while viewing a program reservation menu. SOLUTION: A digital broadcast transmission/reception system comprises a digital broadcast transmitter 101 and a digital broadcast receiver 102. The digital broadcast transmitter 101 multiplexes audio data and video data configure a broadcast program and reservation control information(RCI) superimposed on the video data to control a reservation menu to accept program reservation onto a transport stream, and sends the resulting stream. The digital broadcast receiver 102 receives the transport stream to extract the RCI related to the broadcast program and provides an output of a reservation menu described on the RCI superimposed on a video image of a broadcast program. The program reservation is received by an instruction from a viewer, and reservation information specifying a program is stored. A program specified by reservation information is reproduced and outputted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to program reservation for a digital TV broadcasting system.

[0002]

2. Description of the Related Art Conventionally, in a method of recording a television broadcast program, as a first method, a viewer uses a remote controller while viewing a printed material such as a program table, and uses a remote controller to set a viewing date, a recording start date, and a recording start date. There is a method of inputting an end time, a viewing channel, and the like. In recent years, in order to release the viewer from the complexity of the operation of the first method, a second method of inputting a several-digit number called a G code and making a recording reservation of a program has become widespread.

In digital satellite broadcasting, the third
As a method, there is a method of making a program recording reservation using an EPG (Electronic Program Guide).

[0004]

However, in the first method, a printed matter such as a program guide is needed at hand,
You cannot easily make a recording reservation while watching the TV screen. In the second method, the recording device needs to have a function of decoding the G code. Further, in the third method, although a recording reservation can be easily made while watching the TV screen, the display screen for reservation displayed on the TV screen transmitted from the broadcast station is uniform. . Furthermore, the receiving apparatus displays the EPG irrespective of the program being broadcast and makes a recording reservation, and cannot make a reservation for a plurality of programs at once.

SUMMARY OF THE INVENTION In view of the above problems, it is an object of the present invention to provide a digital broadcast transmitting apparatus capable of performing a broadcast for displaying a changeable display screen for reservation during various images of a broadcast program. It is a second object of the present invention to provide a digital broadcast receiving apparatus which allows a viewer to make a program reservation while watching a broadcast program, and to provide a digital broadcast transmitting / receiving system which achieves these two objects.
The purpose of.

[0006]

In order to solve the above problems, the present invention provides a digital broadcast transmitting apparatus for transmitting a transport stream and a digital broadcast for receiving a transport stream and displaying a program reservation screen on an external display. A digital broadcast transmitting / receiving system including a receiving device, wherein the digital broadcast transmitting device stores a plurality of presentation information as video data and / or audio data as a broadcast program; In a digital broadcast receiving apparatus, a first script describing a program reservation operation of a viewer, which is used when receiving a program reservation from a viewer, information for specifying a program when the operation is performed, and reservation registration of the information. Reservation control consisting of a second script that describes Information that specifies the broadcast program and the broadcast time of the broadcast program, and associates the broadcast program with the reservation control information. The program schedule information storage means storing the program schedule information, the program schedule information is referred to, and during the transmission time corresponding to the broadcast time, the presentation information is read, and the corresponding reservation control information is repeatedly read, Multiplex control means for multiplexing the transport stream, and transmission means for transmitting the transport stream, wherein the digital broadcast receiving apparatus receives the transport stream, and converts presentation information and reservation control information into Display processing means for extracting, and video data of the presentation information. A display processing means for displaying the image screen to the display-based,
A program reservation accepting unit that accepts a program reservation operation from a viewer; and a script interpretation execution unit that interprets the first script and executes the second script when the program reservation operation matches the content of the first script. We are preparing for it.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a digital broadcast transmitting / receiving system according to the present invention will be described below with reference to the drawings. (Embodiment) FIG. 1 is a configuration diagram of an embodiment of a digital broadcast transmitting / receiving system according to the present invention.

This digital broadcast transmitting / receiving system includes a digital broadcast transmitting apparatus 101 and a digital broadcast receiving apparatus 10.
The transport stream transmitted from the digital broadcast transmitting apparatus 101 is received by the digital broadcast receiving apparatus via the broadcast path 103. Broadcast path 103
Is a path for transmitting a transport stream from the digital broadcast transmitting apparatus 101 to the digital broadcast receiving apparatus 102. As a transmission method, for example, satellite transmission, terrestrial transmission, or cable transmission can be adopted.

This digital broadcast transmission / reception system uses MPEG
2 (Moving Picture Experts Group 2) video standard, system standard and DVB (Digital Video Broadcasting) standard. In addition. For the MPEG2 standard, see "M
PEG textbook "(edited by Multimedia Communications Research Group, 1995, ASCII Corporation). In addition, regarding the DVB standard, the European Communication Standard 300
468. (Configuration of Digital Broadcasting Transmitter 101) The digital broadcast transmitter 101 includes an A / V (Audio Video) data storage unit 111.
A program schedule information storage unit 112, a reservation control information storage unit 113, a system table generation unit 114,
Transmission control section 115, multiplexing section 116, transmission section 117
And

The A / V data storage unit 111 is composed of a storage member such as a hard disk or an optical disk, and stores previously digitized video data including moving image data and still image data and audio data. Each of these data is given a unique identification number by a file name or the like. In the present embodiment, these individual A / V data are
This is data constituting a digital broadcast original program, and is hereinafter referred to as presentation information. Also, the identification number given to each presentation information is the presentation ID.
Call.

FIG. 2 schematically shows an example of presentation information stored in the A / V data storage unit 111. The presentation information 201 identified by the presentation ID “3” is moving image data, and the presentation information 202 identified by the presentation ID “7” is still image data. Here, although it is schematically shown that the data is video data, it is actually stored as digital data.

Note that the file name does not necessarily have to be the presentation ID itself. For example, the type of presentation information is associated with an extension, the moving image data of the presentation ID "3" is represented by "3.vid", and the presentation ID " The still image data of “7” may be represented as “7.img”. Although not shown, the presentation information is stored in the A / V data storage unit 111 together with the audio data together with the presentation ID.

The program schedule information storage section 112 is made up of a storage member such as a hard disk or an optical disk, and stores program schedule information. This program schedule information associates the reservation control information described later with the program,
This is information indicating a program to be reserved in the reservation control information. FIG. 3 is a diagram illustrating an example of the program schedule information. The program schedule information 301 includes a presentation ID column 302 for identifying presentation information constituting a program, and reservation control information for identifying reservation control information transmitted together with the presentation information of the program.
ID column 303, start_time column 304 indicating the broadcast start date and time of the program, and duration column 305 indicating the broadcast time of the program
And original_network_id to identify program information
Column 306, transport_stream_id column 307, service
An _id column 308 and an event_id column 309 are provided. The presentation ID column 302 is divided into a video data (video) column 310 and an audio data (audio) column 311.

The first line of the program schedule information 301 contains a program composed of video data identified by presentation IDs “3” and “7” and audio data identified by presentation ID “4”. In the figure, the reservation control information identified by the reservation control information ID “1” is transmitted at the same time. Where the presentation ID
A single program can include a plurality of video data and / or audio data, as a plurality of presentation information identified by “3” and “7” is described in one program.

Further, original_network_id, transport_s
The tream_id, service_id, and event_id are defined by the DVB standard, and one set can specify one program. Similarly, start_time and duration are the DVB standard EIT (EIT
vent Information Table) as information on the broadcast start time and broadcast time. This program was released on January 1, 1999
It indicates that the broadcast will be broadcast for 5 minutes from 12:00 on the day.

The reservation control information storage unit 113 is composed of a storage member such as a hard disk or an optical disk, and stores reservation control information transmitted together with the presentation information inherent in the program. The reservation control information is provided with unique identification information such as a file name. Here, the identification information is an identification number. FIG. 4 shows the reservation control information identified by the reservation control information ID “1” of the program schedule information 301 (hereinafter referred to as “RCI (Reserve Control Informatio)”.
n) ". ). The RCI 401 has an RCI ID
"1" is attached. The RCI 401 displays the display element information (Sc
reen Element Information) 402 and Program Reserve and Manipulation Control In
formation) 403.

The display element information 402 describes display element data to be superimposed on the video of the program. First
Column 411 is assigned a unique ID of a graphic object that is a display element. In the second column 412, the name of the graphic object is recorded. In the third column 413, the display position coordinates of the graphic object are recorded with the upper left end position of the display screen as (0, 0). The fourth column 414 records the size of the graphic object. The fifth column 415 records the default display state of the graphic object. The sixth column 416 records the type of the graphic object. In the seventh column 417, data of the graphic object is recorded.

Each of the graphic objects with IDs "1", "5", and "6" is of a text box type, and has a description for program reservation as its contents. Here, the graphic object with the ID “5” “Touroku” is not displayed in the initial display state. ID
The graphic objects of "Button 1,""Button2," and "Button 3" of "2,""3," and "4,"
It is a bitmap type and becomes an operation object when displayed as a display element on the display screen by the digital broadcast receiving apparatus 102.

The program reservation operation control information 403 includes input operation information 424 for each of the display elements 421, 422, and 423 which are operation objects in the display element information 402 described above.
425, 426 and program identification information 427, 428, 42
9 and display control information 430, 431, 432. The input operation information 424, 425, 426 is displayed on the display elements 421, 42 in the digital broadcast receiving apparatus 102.
2, 423 are described. When a signal corresponding to each button operation is input, the program identification information 4
The programs indicated by 27, 428, and 429 are reserved.

Here, the program identification information 427 includes a script “reserve” (reservation command) with an identification number (8, 2, 9,
38) indicates that the program of the set is specified and reserved. This identification number is (original_network_id, transpor
t_stream_id, service_id, event_id), and specifies a program composed of presentation information of the presentation IDs “10” and “20” shown in FIG.
Similarly, the program identification information 428 includes the presentation ID
This indicates that a program composed of presentation information “11” and “21” is reserved.

For the input operation information 426, the program specifying information 429 includes a presentation ID “10”,
This shows that two programs, a program composed of presentation information of "20" and a program composed of presentation information of presentation IDs "11" and "21" are reserved at the same time. Display control information 430, 432
Indicates an instruction to change the display screen of the digital broadcast receiving apparatus 102 with respect to the input operation information 424 and 426.
The script "change_visibility" (display / non-display change instruction) changes the display state of the graphic object with the display element ID "5".
"sentation" (presentation information change command) instructs the presentation information of the presentation ID "7" to be changed from the currently displayed presentation information.

The display control information 431 includes the input operation information 42
5 is instructed to change the display / non-display state of the graphic object with the display element ID “5”. As described above, the RCI 401 is information that enables a program creator to accept a reservation of a program (to be advertised) during the broadcast of a program (for example, a program promotion program) associated with the program schedule information in advance.

A specific method of using the reservation operation control information 403 described in the RCI 401 in the digital broadcast receiving apparatus 102 will be described. In the digital broadcast receiving apparatus 102, when the viewer presses the remote control key “1”, the signal corresponds to the input operation information 424, and thus the first episode of the program “Japanese travelogue” specified by the program specifying information 427 is used. Is reserved. Further, according to the display control information 430, the ID
The display element “reservation registered” of “5” is changed from the non-display state to the display state, and the presentation information serving as the background of the reservation screen is changed to the presentation information of the presentation ID “7”.

When the viewer presses the remote control key "2", the signal corresponds to the input operation information 425, so that the program specified by the program specifying information 428 "Japanese travel"
Episode 2 is reserved. Further, the display element "reservation registered" of ID "5" is changed from the non-display state to the display state by the display control information 431. When the viewer presses the remote control key “3”, the signal corresponds to the input operation information 426, so that the first and second episodes of the two programs “Japanese travelogue” specified by the program specifying information 429 are displayed. Is reserved. Further, a display screen similar to that of the display control information 430 is changed by the display control information 432.

When the display element information 402 of the RCI 401 is displayed on the digital broadcast receiving apparatus 102 with the presentation information omitted, the initial state is as shown in FIG. The system table generation unit 114 receives the instruction from the transmission control unit 115, and receives the program schedule information 30 stored in the program schedule information storage unit 112.
1 and read NIT (Network Info) according to DVB and MPEG2 standards.
rmation Table), SDT (Service Description Table), EI
T (Event Information Table), PAT ((Program Associati
Generates system tables such as on Table) and PMT (Program Map Table). 6 to 10 show an example of each system table multiplexed on the transport stream in which the RCI 401 is multiplexed.

The NIT 601 has a packet identifier PID = 0x001
0 is assigned and transport_network_id is “8”.
Information indicating the transport stream identified by stream_id “2” and “3” is transmitted, and the specifications (not shown) related to the frequency and modulation method are shown. (FIG. 6). A packet identifier PID = 0x0011 is assigned to the SDT 701, and information such as a service name identified by service_id "5" is shown as an example (FIG. 7). In addition, SDT7
01 is for transport_stream_id “3”.

The EIT 801 has a packet identifier PID = 0x001
2, the broadcast start time and the broadcast time of the program identified by the event_id “10” are shown as an example (FIG. 8). A packet identifier PID = 0x0000 is assigned to the PAT 901 and the PID of the PMT corresponding to program_number “5” (same as service_id) is shown as an example (FIG. 9).

The PMT 1001 has a packet identifier PID = 0x0
030, and a packet identifier PID is given for each type of presentation information and RCI 401 (FIG. 10). When the generation of each system table ends, the system table generation unit 114
To the generated system table.

The transmission control unit 115 transmits the notified PMT 10
01, the presentation information stored in the A / V data storage unit 111 and the reservation control information storage unit 113
Is read from the RCI 401, the packet identifier PID is added, and the packet is notified to the multiplexing unit 116. At this time, if the presentation ID is included in the display control information 430, 432 of the RCI, it is converted to the corresponding PID recorded in the PMT 1001. For example, "change_presentation7" in the display control information 430 shown in FIG.
Is converted to “change_presentation0x0051”.

The transmission control section 115 sets the start_time (broadcast start time) in the program schedule information 301 stored in the program schedule information storage section 112 to the digital broadcast receiving apparatus 102 so that the digital broadcast receiving apparatus 102 can transmit and output the program. When the start time has been reached, the multiplexing unit 116 is instructed to multiplex the presentation information and the RCI 401 into a transport stream. When the data transmission end time set based on the broadcast end time is reached, the multiplexing is instructed to stop.

It should be noted that the data transmission start time depends on the broadcast route 1
03, etc., taking into account delays and the like, and is usually 0.1 to several seconds earlier than the broadcast start time. Upon receiving the multiplexing instruction from the transmission control unit 115, the multiplexing unit 116 encodes the presentation information and the RCI 401 into a transport stream (a process called so-called source coding), multiplexes the transmission information, and multiplexes the transmission information.
7 Also, when receiving an instruction to stop multiplexing from the transmission control unit 115, the presentation information and the RC
Stop multiplexing with I401.

The multiplexing section 116 also multiplexes each system table 601 and the like into a transport stream. The multiplexing of the system table 601 and the like is described in JP-A-10-304325. Therefore, the description is omitted. The transmission unit 117 transmits the transport stream transmitted from the multiplexing unit 116 to the digital broadcast receiving device 10 via the broadcast path 103.
Send to 2.

FIG. 11 shows the presentation information identified by the presentation IDs “3” and “7” shown in FIG.
FIG. 5 is a diagram schematically showing a transport stream in which the system stream and each system table 601 are multiplexed. The transport stream 1101 includes presentation information 1102, which is the main body of the broadcast program, and a packet identifier PI.
D = 0x0050, 0x0051 The display element information 402 for program reservation which is superimposed on the presentation information (video data identified by the presentation IDs “3” and “7” shown in FIG. 2) 1103 is RCI1104 including
And each system table 1105 are multiplexed.

Here, the RCI 1104 and each system table 1105 are the transport stream 1101
Multiplexed into private sections. Also,
The RCI 1104 is repeatedly multiplexed over the transmission time of the presentation information 1102. (Operation of Digital Broadcasting Transmitter 101) Next, the operation of the present embodiment will be described with reference to the flowchart shown in FIG.

First, the system table generation unit 114
Each system table such as NIT is created according to the program schedule information stored in the program schedule information storage unit 112 (S1202). When receiving the notification of each created system table from the system table generation unit 114, the transmission control unit 115 refers to the PMT and refers to the presentation information stored in the A / V data storage unit 111 and the reservation control information. A unique packet identifier PID is assigned to the RCI stored in the storage unit 113 (S1).
204).

When the presentation control information is included in the RCI display control information, the transmission control
The information is converted into the corresponding PID added to the presentation information in 1204 (S1206). Next, the transmission control unit 1
15 waits until the data transmission start time determined based on start_time in the program schedule information stored in the program schedule information storage unit 112 (S
1208), the multiplexing unit 116 is instructed to perform multiplexing.

The multiplexing section 116 encodes each presentation information and RCI according to the instruction of the transmission control section 115, and then multiplexes it into a transport stream and sends it to the sending section 117 (S1210). The transmission unit 117 transmits a transport stream obtained by multiplexing each presentation information, RCI, and each system table to the broadcast path 10.
3 and transmitted to the digital data receiving apparatus 102 (S1212).

Upon reaching the data transmission end time determined from the broadcast end time determined by start_time and duration (broadcast time) in the program schedule information, the reception control unit 115 instructs the multiplexing unit 116 to stop multiplexing. (S1214), the process ends. (Configuration of Digital Broadcast Receiving Apparatus 102) The digital broadcasting receiving apparatus 102 includes a receiving unit 121, a TS (transport stream) decoder unit 122, and an A / V decoder unit 1.
23, a reproduction unit 124, an audio output unit 125, a video output unit 126, a system table storage unit 127, a reservation control information storage unit 128, an input reception unit 129, a reception control unit 130, and a reservation information storage Unit 131 and time management unit 1
32.

Receiving section 121 receives a transport stream transmitted from digital broadcast transmitting apparatus 101 via broadcast path 103, and converts only the transport stream corresponding to transport_stream_id specified by reception control section 130 into a TS decoder. Output to the unit 122.
The TS decoder unit 122 uses the PID (packet identifier) specified by the reception control unit 130 as a separation condition,
Receiving unit 1 for each system table such as SDT, EIT, PAT, PMT
Then, it is extracted from the transport stream input from 21 and written into the system table storage unit 127.

[0040] Also, the reception control unit 130 specifies
The presentation information having the PID is extracted and output to the A / V decoder unit 123. Similarly, an RCI is extracted using the designated PID as a separation condition, and the reservation control information storage unit 128
Write to. The A / V decoder unit 123 decodes the presentation information input from the TS decoder unit 122, and outputs it to the playback unit 124.

The reproduction section 124 separates the presentation information decoded by the A / V decoder section 123 into audio data and video data under the control of the reception control section 130.
The separated audio data is converted into an audio signal, and the audio output unit 1
25. Similarly, the separated video data is converted into a video signal and output to the video output unit 126 in synchronization with the audio signal. At this time, when the screen data of the display element information for program reservation is notified from the reception control unit 130,
The screen data is superimposed on the separated video data, converted into a video signal, and output to the video output unit 126.

The audio output unit 125 converts the digital audio signal input from the reproduction unit 124 as it is or converts it into an analog audio signal and outputs it to an external speaker (not shown). The video output unit 126 converts the digital video signal input from the reproduction unit 124 into an analog video signal according to the NTSC system, the PAL system, or the like, and outputs the analog video signal to an external display such as a CRT. The digital video signal may be output to an external display as it is.

The system table storage unit 127 is composed of a RAM or the like, and stores each system table extracted by the TS decoder unit 122. For example, January 1, 1999
At 12:00 on the day, NIT 601 and SDT shown in FIGS.
701, EIT801, PAT901, and PMT1001 are stored. In addition, the viewer said,
When a story is reserved, at 20:00 on January 1st,
In addition to the NIT 601 shown in FIG. 6, the following system tables shown in FIGS. 13 to 16 are stored.

FIG. 13 shows an SDT 1301 corresponding to transport_stream_id “2”. FIG. 14 shows an EIT 1401 in which the broadcast start time “start_time” of the first episode of the program “Japanese travelogue” is described. FIG.
A PAT 1501 corresponding to vice_id “9” is shown. FIG. 16 shows a PMT 1601 in which the PID of the presentation information of the first episode of the program “Japanese travelogue” is described.

The reservation control information storage section 128 is composed of a RAM or the like, and stores the RCI extracted by the TS decoder section 122. FIG. 17 shows the time of
An RCI 1701 that may be stored in the reservation control information storage unit 128 until 15:00 is shown. This RCI17
In FIG. 4, only the fact that the presentation information is identified by the script “change_presentation0x0051” and the packet identifier in the display control information 1702 and 1703 is stored in the reservation control information storage unit 113 of the digital broadcast transmitting apparatus 101 shown in FIG. Different from the RCI 401.

The input receiving section 129 receives an input signal such as selection of a program by a viewer's remote control operation or the like, program reservation, and the like. The received signal is notified to the reception control unit 130. The reception control unit 130 has a CPU, a ROM in which a control program for controlling the reception of the transport stream and interpreting the RCI is stored, and a RAM that is a working storage area, and performs processing according to the control program. I do. Reception control unit 1
The configuration of 30 will be described later as a processing operation by this control program.

The reservation information storage unit 131 is a nonvolatile RAM
If the viewer makes a program reservation,
A set of any one of the identification numbers of the program specifying information 1704, 1705, and 1706 in the RCI 1701 for specifying the reserved program is stored. FIG. 18 shows the reservation information storage unit 13 when the first episode of the program “Japanese travelogue” is reserved by the viewer.
1 shows the stored contents. A set of identification numbers (8, 2,
The reservation information 1801, which is 9, 38), contains the original_network_id and transport_str that specify the first episode of “Japanese travelogue”.
It is a set of eam_id, service_id, and event_id. Of course, when there are a plurality of reserved programs, a plurality of the reservation information are stored.

The reservation information 1801 includes the program start_ti
The extraction of each system table may be started a predetermined time before the start_time by recording me together. The time management unit 132 manages time,
In response to the time inquiry from the reception control unit 130, the current time is notified. Here, the time includes year, month, day, and time information. This time management is based on TDT (Time Date Table,
Not shown in FIG. 12 and defined in the DVB standard)
The data is extracted by the decoder 122, received via the reception control unit 130, and time is measured based on the TDT. Here, the current time is measured based on the TDT, but the current time may be measured by a built-in clock. (Operation of Digital Broadcasting Receiving Apparatus 102) Next, the operation of the present embodiment will be described with reference to a display screen (FIG. 19) displaying an analog video signal output from the video output section 126 mainly by the control of the reception control section 130. Referring to FIGS. 20, 21,
This will be described with reference to the flowchart of FIG.

FIG. 19A shows a display screen for program reservation displayed on a display such as a CRT. This display screen 1901 includes a reservation screen 1903 (FIG. 19 (FIG. 19 (B)) generated by the reception control unit 130 according to the display element information 1707 of the RCI 1701 and a video screen (video data) 1902 (FIG. 19 (b)) based on the original video data of the program. c)). FIG. 19D shows an example of a display screen 1904 when a program is reserved by a viewer.

First, the reception control unit 130 receives a viewer's selection of a program via the input reception unit 129. The selection of program is original_network_id, transport_stream_id, se
rvice_id, event_id is specified (S200
2). The reception control unit 130 selects the selected transport_stre
It instructs the receiving unit 121 to receive the transport stream corresponding to am_id. The receiving unit 121 is assumed to be receiving a transport stream of a network (satellite, cable, etc.) corresponding to the selected original_network_id. At the same time, the reception control unit 130 includes the system table storage unit 127 and the reservation control information storage unit 128
Is deleted (S2004).

The reception control unit 130 is provided with the TS decoder unit 12
2 instructs extraction of the NIT, SDT, and EIT system tables (S2006). The TS decoder unit 122 includes the receiving unit 1
The NIT, SDT, and EIT instructed from 21 are extracted and written to the system table storage unit 127. The reception control unit 130
The PID “0x0000” is notified to the TS decoder unit 122 to instruct extraction of the PAT (S2008). TS decoder unit 122
Extracts the PAT and writes it in the system table storage unit 127.

The reception control unit 130 refers to the PAT stored in the system table storage unit 127, notifies the TS decoder unit 122 of the PMT “0x0030” of the PMT, and instructs the extraction of the PMT (S2010). The TS decoder unit 122
The PMT is extracted and written to the system table storage unit 127. The reception control unit 130 stores the system table storage unit 12
It is determined whether or not there is an RCI in the type of the PMT stored in No. 7 (S2012). In some cases, the TS decoder unit 1
22 is notified of the PID, and instructs to extract the RCI corresponding to the PID (S2014).

The TS decoder unit 122 writes the extracted RCI into the reservation control information storage unit 128 (S2016).
The reception control unit 130 reads and interprets the RCI display element information stored in the reservation control information storage unit 128, generates a reservation screen, and notifies the reproduction unit 124 (S201).
8).

For example, the reservation control information storage unit 128 stores the RCI
When 1701 is stored, the reception control unit 130
Generates a reservation screen 1903 shown in FIG. 19C from the display element information 1707. Next, or when it is determined as No in S2012, the reception control unit 130 notifies the TS decoder unit 122 of PIDs corresponding to video and audio described in the type of the PMT, respectively, and A /
The output to the V decoder unit 123 is instructed (S202
0). At this time, if there are a plurality of PIDs corresponding to video, the PID described first (upper part in the figure) is notified.

The A / V decoder section 123 decodes the A / V data input from the TS decoder section 122 and outputs it to the reproducing section 124 (S2022). When the reservation screen is notified from the reception control unit 130, the reproduction unit 124 combines the reservation screen with the video data (S202).
4). The video signal and the audio signal are output to the video output unit 126 and the audio output unit 125, respectively (S2026).

For example, the reproduction control section 130 is provided in the reproduction section 124.
Is notified of the reservation screen 1903 shown in FIG. 19C, the video data 1902 shown in FIG.
2 is superimposed on the reservation screen 1903, and the display screen 1901 shown in FIG. The reception control unit 130 waits for a viewer input signal from the input reception unit 129 (S2028).

Next, the processing operation of receiving a program reservation will be described. The reception control unit 130 waits for an input signal from the viewer (S2102), and the input signal is stored in the reservation control information storage unit 128.
Operation information 170 of the RCI 1701 stored in the
It is determined whether the signal corresponds to any one of 8, 1709, and 1710 (S2104). If none of them corresponds, the process returns to S2102.

If the signal corresponds to any of the input operation information 1708, 1709, and 1710, the reception control unit 130 determines whether there is program identification information 1704 or the like corresponding to the input operation information (S2106). If there is, the reservation information described in the program specifying information 1704 or the like is written in the reservation information storage unit 131 (S2108). For example,
When the viewer presses the “1” key on the remote control while the display screen 1901 (FIG. 19A) is displayed on the display, the reception control unit 130 transmits the input signal via the input reception unit 129. It is determined that the received signal is a signal corresponding to the input operation information “push1_key” 1708 of the RCI 1701, and the program identification information “reserve8, 2, 9, 38”
1704 as shown in FIG.
As the reservation information (8, 2, 9, 38) 1801.

Next, the reception control unit 130 determines whether or not there is a presentation information change command 1702 among the display control information for the input operation information (S211).
0). If there is, the PID of the presentation information in the display control information corresponding to the input operation information is notified to the TS decoder unit 122, and the extraction of the presentation information is instructed (S2112). The TS decoder unit 122
New presentation information is extracted using D as a separation condition and output to the A / V decoder unit 123.

The reception control unit 130 determines whether there is a display element display / non-display change command 1711 or the like in the display control information for the input operation information (S2114).
If there is, a reservation screen in which the display state of the designated display element (graphic object) is changed is generated, notified to the playback unit 124, and instructed to combine with the video data (S
2116).

The reproduction section 124 combines the video data input from the A / V decoder section 123 with the reservation screen notified from the reception control section 130, and outputs the resultant to the video output section 126. Thus, the program reservation receiving process ends.
For example, when the viewer presses the “1” key on the display screen 1901 described above, the display is displayed by the video signal output from the video output unit 126 after the reservation information 1801 is written in the reservation information storage unit 131. The screen is changed to a screen 1904. At this time, the content “reserved and registered” of the ID “5” of the display element (graphic object) is changed from a non-display state to a display state.
The presentation information is also changed to the still image 202 of the presentation with the PID “0x0051” (the presentation ID = 7 shown in FIG. 2).

Next, the operation of executing program reservation will be described. First, the reception control unit 130 waits for the reservation information 1801 to be stored in the reservation information storage unit 131 (S2202), and receives the transport stream corresponding to transport_stream_id = 2 described in the reservation information 1801 so as to receive the transport stream.
21 and sends the PID “0x0012” to the TS decoder unit 122.
And instruct EIT extraction. The EIT 1401 stored in the system table storage unit 127 stores the start_time of the program corresponding to event_id = 38 described in the reservation information 1801.
(S2204).

The reception control unit 130 inquires of the time management unit 132 about the current time, and determines whether or not the obtained start_time matches the current time (S2206). If they do not match, the process returns to S2204. If it is determined that they match, the corresponding system tables stored in the system table storage unit 127 are referred to, the PID for identifying the presentation information is notified to the TS decoder unit 122, and the presentation is performed. Instruct extraction of information.

The TS decoder unit 122 sends presentation information of the reserved program to the A / V decoder unit 123. The A / V decoder unit 123 decodes the presentation information and outputs it to the playback unit 124. The playback unit 124
The audio data and the video data are respectively output to the audio output
And the video output unit 126. Audio output unit 125
Makes the audio output from an external speaker, and outputs the video
26 broadcasts the program image on an external display (S
2208).

That is, in the system table storage unit 127, the NIT 601 shown in FIG. 6, the SDT 1301, the EIT 1401, and the PAT 150 shown in FIGS.
1 and a PMT 1601 are stored. Based on each of these system tables, PID "0x0080", "0x008
The video data and audio data of "1" are
2 and the reproduction of the first episode of the reserved program "Japan Travelogue" is started.

Next, the reception control unit 130 starts the EIT 1401 stored in the system table storage unit 131.
_time and duration are read (S2210), start_t
ime + duration (playback end time) is calculated, and the time management unit 1
32, the time is inquired, and it is determined whether or not the reproduction end time matches the current time (S2212). If they do not match, the process returns to S2210, and if they match, an instruction to stop the extraction of the presentation information is given to the TS decoder unit 122 to end the reproduction (S2214), and the reservation information stored in the reservation information storage unit 131 (S
2216), the process ends.

In the above embodiment, the digital broadcast receiving apparatus 102 reproduces and broadcasts the program in response to the program reservation, but connects the video tape recorder to the audio output unit 125 and the video output unit 126. Then, it may be recorded. In the above embodiment, the display screen for program reservation is displayed by selecting the associated program (program promotion program).
Viewer's remote control operation of the reservation screen, for example, "reservation screen"
The key may be pressed to overlap the display screen.
For this purpose, the default display state of the fifth column 415 of the display element information of the RCI is all hidden, and push reserve_screan_key {change_visibility 1 change_visibility 2 change_visibility 3 change_visibility 4 change_visibility 6} is added to the input operation information. Good. By doing so, for example, even during a normal program that is not a program promotion program, it is possible to easily make a reservation for the next program if it is a continuous program, and to make a reservation for a related program.

In the above embodiment, the RCI 401,
Although “button 1”, “button 2”, and “button 3” as operation objects are described in 1701, the operation object may be displayed in a part of the video data 201 as presentation information. With such a configuration, it is possible to omit synthesizing the reservation screen and the video screen based on the video data.

In the above embodiment, when the program reservation is completed, the two video data 201 and 202 are transmitted from the transport stream 110 so that the video data in the presentation information is changed to new video data.
Although the audio data has been multiplexed into 1, the audio data may be changed when the program reservation is completed. That is, two audio data may be multiplexed in the transport stream 1101, and the display control information 1702 and 1703 may be output control information for changing the audio data. Further, both the video data and the audio data may be changed.

Further, in the above embodiment, the case where the broadcast program for program reservation is broadcast before the broadcast time of the program to be reserved has been described.
In the case of digital satellite broadcasting or the like, a broadcast program (program promotion program) for program reservation may be broadcast at a time when a digital satellite broadcast program is being broadcast. In this case,
When the viewer makes a program reservation, the reception control unit 1
30 writes the reservation information in the reservation information storage unit 131,
The receiving unit 121 receives the transport stream corresponding to the transport_stream_id described in the reservation information.
And notifies the TS decoder unit 122 of the PID of the EIT,
Instruct extraction of EIT. Furthermore, the eve described in the reservation information
The start_time and duration of the program corresponding to nt_id are acquired with reference to the EIT.

The reception control unit 130 inquires of the time management unit 132 about the current time, compares the obtained start_time with the current time, and even if the current time has already passed the start_time, the time of start_time + duration If it is within, the TS decoder unit 122 is immediately instructed to extract the presentation information of the reserved program by referring to each system table corresponding to the latest reserved program stored in the system table storage unit 127. By doing so, the program to be reserved is immediately reproduced in response to the instruction of the reserved program by the viewer, so that the same effect as selecting a program can be obtained.

In the above embodiment, the RCI 1701
Although the display element information 1707 is included in the input information of the program reservation operation control information, as another embodiment, the display element information 1707 may be omitted and described as bitmap data to be displayed. Further, in the above embodiment, the digital broadcast receiving apparatus 102 is configured as shown in FIG. A program that performs the function of each component is recorded on a recording medium, and this recording medium is mounted on a digital broadcast receiving apparatus that does not have a program reservation function, and is similar to the digital broadcast receiving apparatus 102 according to the present invention. The effect may be exerted.

Further, in the above embodiment, the digital broadcast transmitting apparatus 101 is provided with the A / V data storage section 111, so that the presentation information is multiplexed with the reservation control information 401 into the transport stream and transmitted. However, in another embodiment, the digital broadcast transmitting apparatus may multiplex only the reservation control information 401 used at the time of program reservation into a transport stream and transmit it. In this case, when receiving a program reservation from a viewer, the digital broadcast receiving apparatus 102 notifies the reproduction section 124 of the reservation screen generated by the reception control section 130, and the reproduction section 124 transmits the reservation screen via the video output section 126. The reservation screen is displayed on an external display.

Further, in the above embodiment, a plurality of presentation information 1102 are multiplexed in the transport stream 1101 as shown in FIG. 11, but the presentation information may be only audio data, Only data may be used. In this case, in the digital broadcast receiving apparatus 102, the background music is playing and the reservation screen is displayed, or the reservation screen is merely displayed over the background video data.

Further, in the above-described embodiment, when a reservation is made, a change instruction 1 for changing display / non-display of display elements on the reservation screen is made.
711, the display state of the graphic object is changed, and the presentation information change instruction 170 is changed.
Although the presentation information was changed in accordance with No. 2, etc., as another embodiment, only one presentation information to be multiplexed as a broadcast program is provided, and when a reservation is made, this presentation information is reproduced and output. You may.

In this case, it is assumed that the RCI is extracted first and the script is interpreted, and the script outputs the presentation information from the reproducing unit 124 until an operation corresponding to the input operation information is received. Describe that it is prohibited. As a result, when a program reservation operation is performed by the viewer, presentation information having a PID described in the PMT 1001 is output.

When the presentation information is audio data, if a message "reservation registration completed" is made, this message is output when the reservation is completed, and the viewer can be notified of the completion of the reservation.
When the presentation information is video data, if the video data includes a video "reservation registration completed", the video data is displayed on the reservation screen when the reservation is completed.

[0078]

As described above, the present invention relates to a digital broadcast transmitting apparatus for transmitting a transport stream to a digital broadcast receiving apparatus, and includes a plurality of video data and / or audio data as a broadcast program. A presentation information storage unit for storing presentation information; a first script describing a program reservation operation of the viewer, which is used in the digital broadcast receiving apparatus when receiving a program reservation from the viewer; Reservation control information storage means for storing reservation control information comprising information for specifying a program when the program is performed and a second script describing that the information is to be registered and registered; information for specifying the broadcast program; A program schedule that describes a broadcast time of a broadcast program and associates the broadcast program with the reservation control information. Program schedule information storage means for storing the schedule information; reading the presentation information during the transmission time corresponding to the broadcast time with reference to the program schedule information; and repeatedly reading the corresponding reservation control information. , Multiplex control means for multiplexing the transport stream, and transmitting means for transmitting the transport stream. With such a configuration, a broadcast program provider using the digital broadcast transmission device can perform
The program reservation operation described in the first script can be received from the viewer, and the reservation of the program specified in the second script can be registered.

Further, the reservation control information further includes a third script, which changes the presentation information being reproduced to another presentation information when a program is reserved. Or
It is described that the graphic data included in a part of the reservation control information is reproduced. With such a configuration, it is possible to make the viewer variously confirm that the reservation of the program has been registered.

The first script is an operation object, and is displayed so as to be superimposed on a video screen based on the video data of the presentation information. With such a configuration, the operation object for program reservation can be displayed on the program reservation screen superimposed on the video screen of the broadcast program. Thus, the viewer can easily reserve a program corresponding to the number, for example, by pressing the number given to the operation object using the remote controller.

The second script is information for specifying a plurality of programs. With such a configuration, the viewer can reserve a plurality of programs by a single program reservation operation. The presentation information storage unit stores presentation information as a program specified by the second script, in addition to the presentation information as the broadcast program, and the program schedule information storage unit stores the second schedule information. EIT (Event Information Tabl) that stores information specifying the program of the script and the broadcast time of the program specified by the second script, and records the broadcast time of the program.
e) further comprising a system table generating means for generating the EIT, wherein the multiplexing control means repeatedly multiplexes the generated EIT into the transport stream a predetermined time before the broadcast of the program, and stores the EIT in the presentation information storage means. The stored presentation information is read out and multiplexed with the transport stream during a transmission time corresponding to the broadcast time. With such a configuration, the program reserved by the digital broadcast receiving apparatus can be reproduced.

The information for specifying the program included in the second script includes original_network_id, transport_s
tream_id, service_id, event_id, wherein the system table generating means generates a system table group for extracting the presentation information of the program specified by the set by the digital broadcast receiving apparatus, and the multiplexing control means Describes that the generated system tables are repeatedly multiplexed into the transport stream from a predetermined time before the broadcast of the program. With such a configuration, the reserved program can be reliably reproduced by referring to the system table in the digital broadcast receiving apparatus.

The present invention also relates to a digital broadcast transmitting apparatus for transmitting a transport stream to a digital broadcast receiving apparatus, which stores a plurality of presentation information as video data and / or audio data as a broadcast program. Presentation information storage means, and the digital broadcast receiving apparatus, in which a program reservation from a viewer is used, graphic data to be displayed superimposed on a video screen based on the video data of the presentation information, and initial of the graphic data. Graphic information including an instruction to indicate a display mode;
Reservation control information including reservation information for specifying the program when the program is reserved and instructions for changing the graphic data from the initial display mode to another display mode when the program is reserved are stored. Storing reservation control information storage means, information for specifying the broadcast program, and a broadcast time of the broadcast program, and storing program schedule information for associating the broadcast program with the reservation control information. Program schedule information storage means, and the program schedule information referred to, during the transmission time corresponding to the broadcast time, read the presentation information,
A multiplexing control unit for repeatedly reading the corresponding reservation control information and multiplexing the same on the transport stream, and a transmitting unit for transmitting the transport stream are provided. With such a configuration,
When a program is reserved, a broadcast program provider using the digital broadcast transmitting apparatus can change the graphic data from the initial display mode to another display mode, thereby producing a reservation screen for program reservation.

The reservation control information further includes a script, and the script describes that, when a program is reserved, the presentation information being reproduced is changed to other presentation information. I have to do that. With such a configuration, when a program is reserved, the video data of the broadcast program, which is the background of the reservation screen, or the audio flowing in the background can be changed, and a more versatile reservation screen can be provided.

The reservation control information includes an operation object to be displayed so as to be superimposed on a video screen, the reservation information includes operation information corresponding to the operation object, and the operation information includes a program reservation operation of a viewer. It is written,
In the digital broadcast receiving apparatus, when an operation is performed by a viewer, a reserved program is specified through operation information. With such a configuration, a viewer who watches a broadcast program on the digital broadcast receiving apparatus can perform an operation of pointing to an operation object displayed on the reservation screen,
A reserved program can be easily specified.

Further, the present invention provides a transformer in which a plurality of presentation information, which are video data and / or audio data of a broadcast program transmitted from a digital broadcast transmitting apparatus, and reservation control information for program reservation are multiplexed. A digital broadcast receiving apparatus that performs a port stream, receives the transport stream, specifies presentation information, a first script describing a viewer's program reservation operation, and specifies a program when the operation is performed. Receiving and extracting means for extracting reservation control information composed of information and a second script describing that the information is to be registered, and a video screen based on the video data among the extracted presentation information to an external display Display processing means for displaying, and program reservation reception for receiving program reservation operations from viewers And stage interprets the first script, when the program reservation operation matches the contents of the first script, and a further comprising a script interpreter executing means for executing said second script. With such a configuration, the viewer can easily reserve the program specified by the digital broadcast transmitting apparatus in advance while viewing the various video screens of the broadcast program.

Further, the reservation control information further includes a third script, which changes presentation information being reproduced to another presentation when a program is reserved, or And reproducing the graphic data included in a part of the reservation control information. The script interpretation executing means includes: a third script interpreter for interpreting the third script; When the interpretation result is a change in the presentation information, the receiving and extracting means is controlled to perform extraction switching to other presentation information,
At the time of reproduction of graphic data, the graphic processing apparatus has an information extraction control unit that extracts graphic data from the reservation control information and controls the display processing unit to display the graphic data. Graphic data is to be superimposed and displayed on an external display. With such a configuration, the viewer can reliably know that the program has been reserved.

The first script further includes an operation object, and the display processing means superimposes and displays the operation object on the video screen. With such a configuration, a reserved program can be registered by pointing to an operation object displayed on the program reservation screen, for example, by pressing a number key of a remote controller attached to the operation object.

The second script is information for specifying a plurality of programs. When the program reservation accepting unit accepts a program reservation operation from a viewer, the script interpreting unit executes the second script when executing the second script. And a program information storage means for storing information for specifying all programs recognized by the program. With such a configuration, the viewer can easily reserve a plurality of programs at once.

Further, in the transport stream, an EIT corresponding to the reserved program and presentation information as the reserved program are multiplexed, and a program for storing information for specifying the program obtained by the script interpretation executing means is stored. Further comprising an information storage means and a timer for measuring time, wherein the script interpretation execution means extracts the EIT in which the program specified by the information of the program stored in the program information storage means is described. Control the reception extraction means, refer to the current time measured by the timer, and when the broadcast time described in the EIT has been reached, or when it has already reached, extract the presentation information as the program. The receiving and extracting means is controlled as described above. With such a configuration, the reserved program can be reproduced when it reaches the broadcast time of the program. Also,
When the reservation of a program is made during the broadcast time slot of the program to be reserved, the same effect as in channel selection of a program is exhibited, and the broadcast program can be immediately switched to the reproduction of the reserved program.

Further, a system table is multiplexed in the transport stream, and information for specifying a program included in the second script is original_n.
etwork_id, transport_stream_id, service_id, event_i
d, the system table is a table for extracting the program specified by this set, the script interpretation execution means controls the reception extraction means to extract the system table, and the EIT In addition, the reception extraction means is controlled with reference to the extracted system table. With such a configuration, the reserved program is reliably extracted from the transport stream,
It can be reproduced and output.

Further, the present invention provides a transformer in which a plurality of presentation information, which are video data and / or audio data of a broadcast program transmitted from a digital broadcast transmitting apparatus, and reservation control information for program reservation are multiplexed. A digital broadcast receiving apparatus for receiving a port stream and displaying a program reservation screen on an external display, wherein the digital broadcast receiving apparatus receives the transport stream and superimposes the presentation information on a video screen based on video data of the presentation information. Graphic information including graphic data to be displayed and an instruction indicating an initial display mode of the graphic data; reservation information specifying a program when the program is reserved; and graphic data when the program is reserved. From the initial display mode to another display mode Receiving and extracting means for extracting reservation control information including a command, display processing means for displaying, on the display, a video screen based on video data among the extracted presentation information, and reservation of a program from a viewer. The program reservation determining means for determining whether or not the program has been performed, and when the program reservation determining means determines that the reservation has been made, the program data is changed based on an instruction to change the display mode of the graphic data to another display mode. And control means for controlling the display processing means so as to be displayed on the display so as to be superimposed on the video screen. With this configuration, the viewer can easily make a program reservation while watching the broadcast program while watching the reservation screen displayed with the broadcast program superimposed on the background. It can be confirmed on the reservation screen whose data display mode has been changed.

Further, the reservation control information further includes a script, and the script describes that when a program is reserved, the presentation information is changed to another presentation. A script interpreting unit for interpreting the script, and when it is determined that the program reservation determining means has been reserved,
And a presentation information extraction control unit for controlling the reception extraction unit so as to switch the extraction to another presentation information based on the interpretation result of the script interpretation unit. With such a configuration,
When a program is reserved, the video data or audio data of the broadcast program can be changed, and it can be confirmed more reliably that the program has been reserved.

The reservation control information extracted by the reception extracting means includes a plurality of operation objects to be displayed on the video screen, and the reservation information includes operation information corresponding to each operation object. And each operation information describes an operation of a viewer, and the display processing means displays an operation object on the video screen in a superimposed manner, and a program reservation receiving means for receiving the operation from a viewer. Program ID storage means for storing an ID of a program specified by the reservation information corresponding to the operation. With such a configuration, the viewer performs an operation to specify the operation object while watching the operation object displayed on the video screen of the broadcast program, for example, presses the number key of the remote control corresponding to the number assigned to the operation object By doing so, the reservation of the program specified by the reservation information can be facilitated.

Further, the present invention is a digital broadcast transmitting / receiving system comprising a digital broadcast transmitting apparatus for transmitting a transport stream and a digital broadcast receiving apparatus for receiving the transport stream and displaying a program reservation screen on an external display. The digital broadcast transmitting apparatus may further comprise: presentation information storage means for storing a plurality of presentation information as video data and / or audio data as a broadcast program; The first script includes a first script describing a program reservation operation of a viewer used when accepting a reservation, and a second script describing information for specifying a program when the operation is performed and registering the information by reservation. Reservation control information storage that stores reservation control information Program schedule information storage means for storing program schedule information that describes a stage, information specifying the broadcast program, and a broadcast time of the broadcast program, and associates the broadcast program with the reservation control information A multiplexing control that refers to the program schedule information, reads out the presentation information during a transmission time corresponding to the broadcast time, and reads out the corresponding reservation control information repeatedly and multiplexes the information into the transport stream. Means for transmitting the transport stream, the digital broadcast receiving apparatus receiving the transport stream, extracting presentation information and reservation control information, and displaying the presentation information. Of the display screens based on the video data Display processing means for displaying the program, a program reservation receiving means for receiving a program reservation operation from a viewer, and interpreting the first script. When the program reservation operation matches the contents of the first script, the second script is And a script interpreting and executing means for executing. With such a configuration, in the digital broadcast transmission / reception system, the viewer can easily reserve a program that has been previously reserved by the broadcast program provider while watching the video screen of the broadcast program.

Further, the present invention provides a transformer in which a plurality of presentation information, which are video data and / or audio data of a broadcast program transmitted from a digital broadcast transmitting apparatus, and reservation control information for program reservation are multiplexed. A computer-readable recording medium that receives a port stream, outputs a video signal of the video data, and records a program applied to a digital broadcast receiving apparatus that displays the video stream on an external display. The first script includes presentation information, a first script describing a viewer's program reservation operation, and information specifying a program when the operation is performed, and a second script describing reservation of the information. Receiving and extracting means for extracting reservation control information; Display processing means for displaying a video screen based on video data on the display; program reservation receiving means for receiving a program reservation operation from a viewer; interpreting the first script; If they match, the program is a recording medium on which a program that performs the functions of the script interpreter that executes the second script is recorded. With such a configuration, it is possible to obtain a digital broadcast receiving apparatus that can easily reserve a program by applying this recording medium to a digital broadcast receiving apparatus that does not have such a function.

The present invention also relates to a digital broadcast transmitting apparatus for transmitting a transport stream to a digital broadcast receiving apparatus, wherein the digital broadcast receiving apparatus is used when receiving a program reservation from a viewer.
Reservation control information including a first script that is an operation object describing a viewer's program reservation operation, information specifying a program when the operation is performed, and a second script describing that the information is registered for reservation. Reservation control information storage means for storing the program schedule information storage means for storing the broadcast time of the reservation control information, and referring to the program schedule information, during the transmission time corresponding to the broadcast time, Read the reservation control information repeatedly,
It is provided with multiplexing control means for multiplexing the transport stream, and transmission means for transmitting the transport stream. With such a configuration, it is possible to transmit a transport stream that can display only an operation object and accept a program reservation using a small band.

The program schedule information storage means for storing presentation information as a broadcast program is further provided, wherein the program schedule information storage means, which is video data or audio data, further stores a broadcast time of the broadcast program. The multiplexing control means reads the presentation information from the presentation information storage means during a transmission time corresponding to a broadcast time of the broadcast program, and multiplexes the presentation information into the transport stream. With such a configuration, the digital broadcast receiving apparatus can reproduce and output video data or audio data while presenting the operation object.

Further, the present invention provides a digital broadcast system which receives a transport stream in which reservation control information for program reservation transmitted from a digital broadcast transmitting apparatus is multiplexed and displays a program reservation screen on an external display. A receiving apparatus for receiving the transport stream and reserving a first script as an operation object describing a program reservation operation of a viewer, information specifying a program when the operation is performed, and the information. Receiving and extracting means for extracting reservation control information comprising a second script describing registration, display processing means for displaying an operation object of the extracted first script of the reservation control information on a reservation screen, And a program reservation accepting means for accepting a program reservation operation from the first script, and interpreting the first script, and To match the contents of the first script, and a further comprising a script interpreter executing means for executing said second script. With such a configuration, the viewer can easily make a program reservation.

Also, presentation information as audio data is multiplexed in the transport stream, and the second script describes that the presentation information is extracted when further operation is performed. The script interpreting and executing means further controls a receiving and extracting means to extract presentation information described in the second script, wherein the receiving and extracting means extracts presentation information under the control of the script interpreting and executing means, An audio processing unit for reproducing and outputting presentation information, which is audio data extracted by the reception extraction unit, is further provided. With such a configuration, when a reservation operation is performed, presentation information, which is audio data, can be reproduced and output. For example, if a message indicating "reservation completion" is included in the audio data, the viewer can confirm that the program reservation has been made.

Also, presentation information which is video data is multiplexed in the transport stream, and the second script describes that the presentation information is to be extracted when further operation is performed. , The script interpretation executing means further controls the receiving and extracting means to extract the presentation information described in the second script, and the receiving and extracting means superimposes the extracted video data on the display of the operation object. The video screen based on the image is displayed on an external display. With such a configuration, when a reservation operation is performed, presentation information that is video data can be displayed. For example,
By including data indicating "reservation completed" in the video data, the viewer can confirm the completion of the program reservation.

Also, presentation information which is audio data during a broadcast time of a broadcast program is multiplexed in the transport stream, and the receiving and extracting means further extracts the presentation information which is the audio data, An audio data processing means for reproducing and outputting the presentation information as the extracted audio data during the broadcast time of the broadcast program is further provided. With such a configuration, a program as background music can be reproduced and output.

Also, presentation information that is video data during the broadcast time of a broadcast program is multiplexed in the transport stream, and the receiving and extracting unit further extracts the presentation information that is the video data, The display processing device is configured to display a video screen based on the presentation information as the extracted video data on an external display as a background of the operation object. With such a configuration, video data can be displayed on the background of the operation object.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an embodiment of a digital broadcast transmission / reception system according to the present invention.

FIG. 2 is a diagram schematically showing video data stored in an A / V data storage unit according to the embodiment.

FIG. 3 is an example of program schedule information stored in a program schedule information storage unit of the embodiment.

FIG. 4 is an example of reservation control information stored in a reservation control information storage section of the digital broadcast transmitting apparatus according to the embodiment.

FIG. 5 is an initial display screen when the display element of the reservation control information shown in FIG. 4 is displayed in the embodiment.

FIG. 6 is a diagram illustrating an example of an NIT generated by a system table generating unit according to the embodiment.

FIG. 7 is a diagram illustrating an example of an SDT generated by a system table generation unit according to the embodiment.

FIG. 8 is a diagram illustrating an example of an EIT generated by the system table generating unit according to the embodiment.

FIG. 9 is a diagram illustrating an example of a PAT generated by a system table generating unit according to the embodiment.

FIG. 10 is a diagram illustrating an example of a PMT generated by a system table generation unit according to the embodiment.

FIG. 11 is a diagram schematically showing a transport stream transmitted from the transmission unit according to the embodiment.

FIG. 12 is a flowchart illustrating an operation of the digital broadcast transmitting apparatus according to the embodiment.

FIG. 13 is a diagram illustrating an example of an SDT stored in a system table storage unit according to the above embodiment.

FIG. 14 is a diagram illustrating an example of an EIT stored in a system table storage unit according to the embodiment.

FIG. 15 is a diagram illustrating an example of a PAT stored in a system table storage unit according to the above embodiment.

FIG. 16 is a diagram illustrating an example of a PMT stored in a system table storage unit according to the above embodiment.

FIG. 17 is a diagram illustrating an example of reservation control information stored in a reservation control information storage unit of the digital broadcast receiving apparatus according to the embodiment.

FIG. 18 is a diagram illustrating an example of reservation information stored in a reservation information storage unit according to the embodiment.

FIG. 19A is an example of a display screen for program reservation in which a video signal output from the video output unit of the embodiment is displayed on an external display. (b) is a display example of the original video data of the program of the above embodiment on the display. (c) is an example of a reservation screen when the display element information described in the reservation control information superimposed on FIG. 19B of the above embodiment is displayed on a display. (d)
It is an example of the display screen for program reservation displayed on the display after a program reservation is made in the above embodiment.

FIG. 20 is a flowchart illustrating an operation of displaying the display screen shown in FIG. 19A in the digital broadcast receiving apparatus according to the embodiment.

FIG. 21 is a flowchart illustrating an operation for program reservation in the digital broadcast receiving apparatus according to the embodiment.

FIG. 22 is a flowchart illustrating an operation of executing a program reservation in the digital broadcast receiving apparatus according to the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 101 Digital broadcast transmitting apparatus 102 Digital broadcast receiving apparatus 103 Broadcast path 111 A / V data storage section 112 Program schedule information storage section 113 Reservation control information storage section 114 System table generation section 115 Transmission control section 116 Multiplexing section 117 Transmission section 121 Reception Unit 122 TS decoder unit 123 A / V decoder unit 124 playback unit 125 audio output unit 126 video output unit 127 system table storage unit 128 reservation control information storage unit 129 input reception unit 130 reception control unit 131 reservation information storage unit 132 time management unit

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Kazuo Okamura 1006 Kadoma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (72) Inventor ▲ Taka ▼ Naoya Oka 1006 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (27)

[Claims] 1. A digital broadcast transmitting apparatus for transmitting a transport stream to a digital broadcast receiving apparatus, wherein presentation information storage stores a plurality of presentation information as video data and / or audio data as a broadcast program. Means, in the digital broadcast receiving apparatus, a first script describing a program reservation operation of a viewer, which is used when accepting a program reservation from a viewer, information specifying a program when the operation is performed, and A reservation control information storage unit that stores reservation control information including a second script describing that information is to be registered for registration; information specifying the broadcast program; and a broadcast time of the broadcast program, A number storing program schedule information that associates the broadcast program with the reservation control information. A set schedule information storage unit, referring to the program schedule information, repeatedly reading the presentation information and the corresponding reservation control information during the transmission time corresponding to the broadcast time, and multiplexing the read reservation information with the transport stream. 1. A digital broadcast transmitting apparatus, comprising: a multiplexing control unit for multiplexing; and a transmitting unit for transmitting the transport stream. 2. The reservation control information further includes a third script, wherein the third script changes presentation information being reproduced to another presentation information when a program is reserved. 2. The digital broadcast transmitting apparatus according to claim 1, wherein the description is to reproduce graphic data included in a part of the reservation control information. 3. The digital broadcast transmitting apparatus according to claim 1, wherein the first script is an operation object and is displayed on a video screen based on video data of the presentation information. 4. The digital broadcast transmitting apparatus according to claim 3, wherein the second script is information for specifying a plurality of programs. 5. The presentation information storage means stores presentation information as a program specified by the second script, in addition to the presentation information as the broadcast program. The program schedule information storage means, A system table that stores information specifying the program of the second script and the broadcast time of the program specified by the second script, and generates an EIT (Event Information Table) in which the broadcast time of the program is recorded. The multiplexing control means further comprises a multiplexing control means, wherein the generated EIT is repeatedly multiplexed with the transport stream from a predetermined time before the broadcast of the program, and the presentation information stored in the presentation information storage means is multiplexed. Read and transmit the transformer during a transmission time corresponding to the broadcast time. 4. The method according to claim 3, wherein the data is multiplexed into a port stream.
The digital broadcast transmitting device according to the above. 6. The information for specifying a program included in the second script includes original_network_id, transport_strea
m_id, service_id, event_id, wherein the system table generating means generates a system table group for extracting the presentation information of the program specified by the set by the digital broadcast receiving apparatus, and the multiplexing control means 6. The digital broadcast transmitting apparatus according to claim 5, wherein the generated system tables are repeatedly multiplexed with the transport stream from a predetermined time before the broadcast of the program. 7. A digital broadcast transmitting apparatus for transmitting a transport stream to a digital broadcast receiving apparatus, the presentation information storage storing a plurality of presentation information as video data and / or audio data as a broadcast program. Means, in the digital broadcast receiving apparatus, used for receiving a program reservation from a viewer, and instructing graphic data to be superimposed on a video screen based on video data of the presentation information and an initial display mode of the graphic data. And a command to change the graphic data from the initial display mode to another display mode when the program is reserved. Remembers the reservation control information it contains Reservation control information storage means, a program that describes information for specifying the broadcast program, and a broadcast time of the broadcast program, and stores program schedule information that associates the broadcast program with the reservation control information. Schedule information storage means, referring to the program schedule information, reading out the presentation information during the transmission time corresponding to the broadcast time, and repeatedly reading the corresponding reservation control information, and multiplexing the information into the transport stream. A digital broadcast transmitting apparatus, comprising: a multiplexing control unit that performs transmission; and a transmitting unit that transmits the transport stream. 8. The reservation control information further includes a script, and the script describes that, when a program is reserved, the presentation information being reproduced is changed to other presentation information. The digital broadcast transmitting apparatus according to claim 7, wherein: 9. The reservation control information includes an operation object to be displayed on a video screen, and the reservation information includes:
The digital broadcast receiving apparatus includes operation information corresponding to an operation object, and the operation information describes a program reservation operation of a viewer. In the digital broadcast receiving apparatus, when an operation is performed by a viewer, a reservation program is specified through the operation information. 9. The digital broadcast transmitting apparatus according to claim 7, wherein 10. A transport stream in which a plurality of presentation information, which is video data and / or audio data of a broadcast program transmitted from a digital broadcast transmitting apparatus, and reservation control information for program reservation are multiplexed. A digital broadcast receiving apparatus that receives the transport stream, provides presentation information, a first script describing a viewer's program reservation operation, and information specifying a program when the operation is performed. Receiving and extracting means for extracting reservation control information including a second script describing that information is to be registered for registration; and a display for displaying a video screen based on video data on an external display among the extracted presentation information. Processing means; program reservation receiving means for receiving a program reservation operation from a viewer; A digital broadcast receiving apparatus comprising: script interpreting means for interpreting the first script and executing the second script when the program reservation operation matches the content of the first script. 11. The reservation control information further includes a third script, wherein the third script changes presentation information being reproduced to another presentation when a program is reserved, or And reproducing the graphic data included in a part of the reservation control information. The script interpreting and executing means includes: a third script interpreter for interpreting the third script; When the interpretation result is a change in the presentation information, the reception / extraction unit is controlled so as to perform extraction switching to other presentation information, and when reproducing the graphic data, the graphic data is extracted from the reservation control information, An information extraction control unit for controlling the display processing means to display the information, Display processing means, the digital broadcast receiving apparatus according to claim 10, wherein the to be displayed on an external display overlaid graphic data to the video screen. 12. The method according to claim 10, wherein the first script further includes an operation object, and the display processing unit displays the operation object so as to overlap the video screen. Digital broadcast receiver. 13. The second script is information for specifying a plurality of programs. When the program reservation accepting unit accepts a program reservation operation from a viewer, the script interpretation executing unit executes the second script. 13. The digital broadcast receiving apparatus according to claim 12, further comprising program information storage means for storing information for specifying all programs recognized by the program. 14. The transport stream includes:
The EIT corresponding to the reserved program and the presentation information as the reserved program are multiplexed, a program information storage unit that stores information specifying the program obtained by the script interpretation execution unit, and a timer that measures time. Furthermore, the script interpretation execution means controls the reception extraction means to extract an EIT in which a program specified by program information stored in the program information storage means is described, and the timer is timed by the timer. Refer to the current time
13. The digital broadcast receiving apparatus according to claim 12, wherein the receiving / extracting unit is controlled so as to extract the presentation information as the program when the broadcast time described in (1) has been reached or when the broadcast time has already been reached. . 15. The transport stream includes:
The system table is multiplexed, and information for specifying a program included in the second script is original_netwo.
rk_id, transport_stream_id, service_id, event_id, and the system table is a table for extracting a program specified by the set.The script interpretation execution unit is configured to execute the reception extraction unit to extract a system table. 15. The digital broadcast receiving apparatus according to claim 14, wherein the receiving and extracting unit is controlled by referring to the extracted system table in addition to the EIT. 16. A transport stream in which a plurality of presentation information as video data and / or audio data of a broadcast program transmitted from a digital broadcast transmitting apparatus and reservation control information for program reservation are multiplexed. A digital broadcast receiving apparatus for displaying a program reservation screen on an external display, wherein the digital broadcast receiving apparatus receives the transport stream and displays the presentation information on a video screen based on video data of the presentation information. Graphic information including graphic data and a command for instructing an initial display mode of the graphic data; reservation information for specifying the program when the program is reserved; and an initial display mode for displaying the graphic data when the program is reserved. And an instruction to change the display mode to another display mode. Receiving extraction means for extracting the reservation control information that is present, display processing means for displaying a video screen based on video data on the display among the extracted presentation information, and whether or not a program has been reserved by a viewer. When the program reservation determining means determines that a reservation has been made, the program data is changed based on an instruction to change the display mode of the graphic data to another display mode, and the video screen is displayed. Control means for controlling the display processing means so as to be displayed on the display in a superimposed manner. 17. The reservation control information further includes a script, wherein the script describes that when a program is reserved, the presentation information is changed to another presentation. A script interpreting unit for interpreting the script; and when the program reservation determining unit determines that a reservation has been made, the reception is performed so as to perform extraction switching to other presentation information based on the interpretation result of the script interpreting unit. 17. The digital broadcast receiving apparatus according to claim 16, further comprising a presentation information extraction control unit that controls an extraction unit. 18. The reservation control information extracted by the reception extraction unit includes a plurality of operation objects to be displayed on a video screen, and the reservation information includes operation information corresponding to each operation object. And each operation information describes an operation of a viewer. The display processing unit displays an operation object on the video screen in a superimposed manner, and a program reservation receiving unit that receives the operation from a viewer. 18. The digital broadcast receiving apparatus according to claim 17, further comprising program ID storage means for storing an ID of a program specified by the reservation information according to the operation. 19. A digital broadcast transmitting / receiving system comprising: a digital broadcast transmitting apparatus for transmitting a transport stream; and a digital broadcast receiving apparatus for receiving the transport stream and displaying a program reservation screen on an external display. The broadcast transmitting apparatus includes: a presentation information storage unit that stores a plurality of pieces of presentation information as video data and / or audio data as a broadcast program; and the digital broadcast receiving apparatus receives program reservation from a viewer. Reservation control information, which is used, includes a first script describing a program reservation operation of a viewer, information specifying a program when the operation is performed, and a second script describing reservation registration of the information. Means for storing reservation control information stored therein; A program schedule information storage unit that describes information for specifying a broadcast program and a broadcast time of the broadcast program, and stores program schedule information that associates the broadcast program with the reservation control information; Multiplexing control means for referring to schedule information, reading the presentation information during the transmission time corresponding to the broadcast time, repeatedly reading the corresponding reservation control information, and multiplexing the information on the transport stream; Transmission means for transmitting a transport stream, the digital broadcast receiving apparatus receives the transport stream, and displays processing information for extracting presentation information and reservation control information; Display video screen based on data on the display Display processing means for displaying, program reservation receiving means for receiving a program reservation operation from a viewer, interpreting the first script, and executing the second script when the program reservation operation matches the contents of the first script. A digital broadcast transmission / reception system, comprising: script interpretation execution means. 20. Receiving a transport stream in which a plurality of presentation information as video data and / or audio data of a broadcast program transmitted from a digital broadcast transmitting apparatus and reservation control information for program reservation are multiplexed. And outputting a video signal of the video data, a computer-readable recording medium recording a program applied to a digital broadcast receiving apparatus for displaying on an external display, receiving the transport stream, Reservation control information including presentation information, a first script describing a viewer's program reservation operation, information specifying a program when the operation is performed, and a second script describing registering the information by reservation; Receiving extraction means for extracting video data from the presentation information Display processing means for displaying a video screen based on the display, program reservation receiving means for receiving a program reservation operation from a viewer, interpreting the first script, and determining that the program reservation operation matches the content of the first script. And a recording medium that records a program that performs each function of script interpreting means for executing the second script. 21. A digital broadcast transmitting apparatus for transmitting a transport stream to a digital broadcast receiving apparatus, wherein the digital broadcast receiving apparatus performs a program reservation operation of a viewer, which is used when receiving a program reservation from a viewer. Reservation control storing reservation control information including a first script as an operation object being described, information specifying a program when an operation is performed, and a second script describing that the information is to be registered for reservation. Information storage means, a program schedule information storage means storing the broadcast time of the reservation control information, and referring to the program schedule information, during the transmission time corresponding to the broadcast time, repeatedly reading the reservation control information, Multiplexing control means for multiplexing the transport stream, Digital broadcast transmission apparatus comprising: a transmitting means for transmitting the stream. 22. It further comprises presentation information storage means for storing presentation information as a broadcast program, wherein said program schedule information storage means as video data or audio data further stores a broadcast time of said broadcast program, 22. The multiplexing control unit according to claim 21, wherein said presentation information is read from said presentation information storage unit during a transmission time corresponding to a broadcast time of said broadcast program, and multiplexed into said transport stream. Digital broadcast transmitter. 23. A digital broadcast receiving apparatus for receiving a transport stream in which reservation control information for program reservation transmitted from a digital broadcast transmitting apparatus is multiplexed, comprising: receiving the transport stream; The first operation object describing the viewer's program reservation operation
Receiving and extracting means for extracting reservation control information comprising a script, information specifying a program when an operation is performed, and a second script describing that the information is to be registered and registered; Display processing means for displaying an operation object of one script on an external display; program reservation receiving means for receiving a program reservation operation from a viewer; interpreting the first script; And a script interpreting and executing means for executing the second script when the digital broadcast receiving means coincides with the digital broadcast receiving apparatus. 24. The transport stream,
Presentation information, which is audio data, is multiplexed, and the second script describes that when further operation is performed, the presentation information is extracted. The script interpretation executing means further includes the second script. The reception and extraction unit is controlled to extract the presentation information described in the script. The reception and extraction unit extracts the presentation information under the control of the script interpretation execution unit, and is the audio data extracted by the reception and extraction unit. 24. The digital receiving apparatus according to claim 23, further comprising audio processing means for reproducing and outputting presentation information. 25. The transport stream,
Presentation information, which is video data, is multiplexed, and the second script describes that the presentation information is to be extracted when further operation is performed. The script interpretation execution means further includes the second script. The reception and extraction unit is controlled to extract the presentation information described in the script, and the reception and extraction unit displays a video screen based on the extracted video data on an external display, superimposed on the display of the operation object. 24. The method of claim 23, wherein
The digital broadcast receiving device according to the above. 26. The transport stream,
The presentation information, which is audio data during the broadcast time of the broadcast program, is multiplexed. 24. The digital broadcast receiving apparatus according to claim 23, further comprising audio data processing means for reproducing and outputting during the broadcast time. 27. The transport stream includes:
Presentation information, which is video data during the broadcast time of the broadcast program, is multiplexed. The reception and extraction unit further extracts the presentation information, which is the video data. The display processing device is the extracted video data. The digital broadcast receiving device according to claim 23, wherein a video screen based on the presentation information is displayed on an external display as a background of the operation object.