JP2001257953A - Digital broadcasting receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily perform viewing/recording reservation of a preview program during viewing of program preview broadcasting. SOLUTION: When a user presses the recording reserve button of an operation part 12 during viewing of program preview broadcasting, a control part 9 acquires program information superimposed on program preview broadcasting and stores it in a memory 11. On the basis of the program information stored in the memory 11, the control part 9 decides whether the present data/time becomes the data/time of program broadcasting, and when the date/time of the broadcasting comes, a reserved program is received by controlling an RF part 2, baseband part 3, error detecting/correcting processing part 4 and audio/ video decode part 5 and the program is recorded by controlling a recording part 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a digital broadcast receiving apparatus, and more particularly to a digital broadcast receiving apparatus capable of receiving a digital broadcast having a program arrangement information channel.

[0002]

2. Description of the Related Art Recently, digital broadcasting such as CS broadcasting has been started. In these digital broadcasts, the number of channels is enormous, and it is necessary to select a broadcast program of interest from many channels. For this reason, an EPG (Electroni) in which a broadcast program contains a program name, a program content, a program start time, a program end time, and other program information.
c Program Guide) data is broadcast as additional information.

[0003] The EPG is an NIT (Network) for transmitting information relating a transmission program such as a modulation frequency to a broadcast program.
SDT (Service) that transmits information that associates a knitting channel such as an ork Information Table, a name of a knitting channel, and a name of a broadcaster.
EIT (Event Information) which is an instruction for information related to the program such as Description Table), program name, broadcast date and time, and description of the contents.
Table).

FIG. 5 is a diagram showing a display example of the contents of the EPG. FIG. 5A is a display example of a program list, and FIG.
(B) is a display example of program detailed information. In FIG. 5A, TD indicates the current date and time, EN indicates the program name, and SI indicates the service identification. In FIG. 5B, STD is the broadcast time, SN is the organization channel name, GN is the genre name,
TC represents program detailed information.

Conventionally, a user receives an EPG channel and displays a program list as shown in FIG.
When one of a plurality of programs is selected, detailed information of the selected program is displayed as shown in FIG. 5 (b), and the user refers to the contents of the EPG to search for, select, and receive a desired program. Was. Also, when recording on a video recording device such as a VTR, a start time and an end time are set for each broadcast program.

[0006]

By the way, when a user is watching a certain channel, a program
A preview of a program scheduled to be broadcast at a later date may be broadcast. When the user sees the program preview broadcast and is interested in the preview program and wants to view it, the user has stored the broadcast date and time and the broadcast channel of the program that has been announced, or took notes. Then, if the user forgets the broadcast date and time or broadcast channel of the program or loses the memo, check the broadcast date and time or broadcast channel of the program in the program guide distributed on paper, or change the EPG channel. It was necessary to confirm the broadcast date and time and the broadcast channel of the desired program. Even when the user wants to record a program watched in the advance notice, the user must input a broadcast date and time and a broadcast channel to make a recording reservation, or select an EPG channel and make a recording reservation work for a desired program.

[0007] When the user is watching a certain program, the user can check the program table distributed on paper or check the EPG channel to know what program is broadcast next to the program being viewed. You have to make a selection and check the next program information. Record the program after the next program broadcast starts
Even if the user wants to record, it is difficult to record from the beginning of the program, since the recording / recording operation is performed after the program starts, except when the recording reservation is made in advance.

[0008] It is an object of the present invention to provide a digital broadcast receiving apparatus which allows a user to easily view or record / reserve a program for which a program preview is being broadcast. Further, an object of the present invention is to provide a digital broadcast receiving apparatus capable of easily knowing information of a program to be broadcast next to a program being viewed and making a recording reservation of a program to be broadcast next. That is.

[0009]

SUMMARY OF THE INVENTION According to the present invention, there is provided a digital broadcasting system for multiplexing a plurality of channels for broadcasting and receiving a digital broadcast for broadcasting by adding program information of the preview program to a program preview. In the broadcast receiving apparatus, viewing reservation instructing means for instructing viewing reservation of the preview program while viewing the program preview, program storage means for storing program information of the preview program instructed by the viewing reservation instruction means, and program storage The present invention is attained by a digital broadcast receiving apparatus comprising: control means for receiving a preview program according to the broadcast time of the preview program based on the program information stored in the means. That is, with the above configuration, it is possible to acquire and store the program information multiplexed in the program preview being viewed, and to receive the broadcast program when the broadcast date and time is reached based on the stored program information. .

Further, according to the present invention, there is provided a digital broadcast receiving apparatus for multiplexing and broadcasting a plurality of channels and receiving a digital broadcast for broadcasting by adding program information of the preview program to a program preview. Recording reservation instruction means for instructing recording reservation of the preview program while watching the program announcement, program storage means for storing program information of the preview program designated by the recording reservation instruction means, and program storage means. The present invention is attained by a digital broadcast receiving apparatus including a control unit for receiving a preview program according to a broadcast time of the preview program based on the program information and recording the program broadcast by the recording unit. That is, with the above-described configuration, the program information multiplexed in the program preview being viewed is acquired and stored, and when the broadcast date and time is reached based on the stored program information, the broadcast program is received and recorded. You can make a recording.

Further, according to the present invention, there is provided a digital broadcast receiving apparatus for receiving a digital broadcast in which a plurality of channels including a program arrangement information channel are multiplexed and broadcast, a recording means for recording a program broadcast, A next program information acquiring means for acquiring program information of a program to be broadcast next to the program being broadcast from the program sequence information channel; and a display for displaying the next program information acquired by the next program information acquiring means together with the program being viewed. Means, next program recording instructing means for instructing recording reservation of a program to be broadcast next to the program being viewed,
Storage means for storing the next program information specified by the next program recording instructing means; and a program broadcast recorded by the recording means in accordance with the time at which the next program is broadcast, based on the next program information stored in the storage means. And a control unit for controlling the digital transmission and reception. In other words, with the above configuration, the program information broadcast next to the program being viewed can be acquired from the program arrangement information channel and displayed, and the recording of the next program can be performed by a simple operation of the user. It can be carried out.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (a) Digital Broadcasting FIG. 6 shows a detailed example of multiplexing of transmission signals in digital broadcasting.
This will be described with reference to FIG. FIG. 1 is a configuration diagram of a main part of a transmission-side system when a digital broadcast signal is transmitted, for example, as an MPEG2 transport stream. This system includes a signal processing unit 101 corresponding to a plurality of programs 1 to k,
102,... 10k, an encryption unit 121 for encrypting program attribute information and contract information, and output and EPG of each signal processing unit.
Multiplexing unit 1 for time-division multiplexing information such as program list information for
22.

In this system, the signal processing unit 101
The video signal and the audio signal of the program 1 are compressed according to the MPEG2 format, and PES (Packetize) is compressed.
A packet called a “dElementary Stream” packet is formed, and time-division multiplexed together with a PES packet of a data signal such as character multiplexing. Next, in order to multiplex the signal thus obtained with information of another program and encrypted information and send it out, a TS (Transport) shown in FIG.
(Stream) packet. TS packets are
It is composed of 188 bytes, and has a configuration in which a 4-byte header is followed by an adaptation field and / or a payload. The PES packet is further divided as shown in FIG. 7, inserted into the payload portion of the TS packet, and transmitted. PES packets are similarly formed for other programs, and after being converted into TS packets, they are time-division multiplexed with information on other programs, EPG information, and broadcaster's own information, and are transmitted.

Some of the TS packets include PSI (Prog
ram Specific Information)
, And the PSI includes an EIT packet. The EIT includes a hyperlink description that is link information for another program, the inside of the program, and program-related information.

(B) Configuration of Main Part FIG. 1 is a configuration diagram of a main part of a digital broadcast receiving apparatus according to the present invention, wherein 1 is an antenna, 2 is a front end unit (F / E),
3 is a baseband processing unit, 4 is an error detection / correction processing unit,
5 is an audio / video decoding unit, 6 is a display device, 7
Denotes an amplifier, 8 denotes a speaker, 9 denotes a control unit for controlling the entire digital broadcast receiving apparatus, 10 denotes a recording unit for recording and recording a received program, and 11 denotes a memory for storing a broadcast date and time and a broadcast channel of a program to be reserved. , 12 are operation units for performing a switching operation of a receiving channel, a reservation operation, and the like.

The front end unit 2 extracts a desired reception frequency component from a broadcast wave signal received via the antenna 1, and outputs an intermediate frequency signal obtained by performing frequency conversion on the extracted signal. The baseband processing unit 3 performs orthogonal demodulation processing, FFT (fast Fourier transform) demodulation processing, and demodulation processing on the intermediate frequency signal output from the front end unit 2, and demodulates the interleaved transmission data. Further, the interleave is decompressed to return to the original data sequence and input to the error detection / correction processing unit 4. The error detection / correction unit 4 performs error detection and correction processing on the input data, and inputs the data to the audio / video decoding unit 5.

The audio / video decoding unit 5 decodes the input decoded data into an audio signal and a video signal, respectively, and inputs the audio signal to the amplifier 7 and the video signal to the display device 6. The amplifier 7 amplifies the input audio signal, inputs the audio signal to the speaker 8, and outputs the audio. The display device 6 displays an image on a display screen based on the input video signal.

The control section 9 controls the entire digital broadcast receiving apparatus by performing frequency tuning control by the front end section 2 and program designation to the baseband processing section 3. Further, the control unit 9 stores information related to the program arrangement information multiplexed in the program preview in the memory 11 according to a user instruction, acquires program information of a program to be broadcast next, and causes the display device to display the program information. I do.

The recording section 10 records an audio / video signal of a received program input from the audio / video decoding section 5 in accordance with an instruction from the control section 9, and is, for example, a video recorder or a semiconductor memory. The memory 11 stores broadcast channel information, broadcast date and time information, and the like of the program to be reserved based on the program arrangement information of the reserved program read by the control unit 9. The operation unit 12 includes various keys for inputting a program switching instruction, a volume adjustment instruction, a program viewing reservation instruction, a recording reservation instruction, and the like from the user, and controls the operation status of the user's operation keys. Send to 9.

(C) First Embodiment FIG. 2 is a diagram showing an operation flow in a first embodiment of the digital broadcast receiving apparatus of the present invention. Here, a case will be described in which, while watching a program preview broadcast, a recording reservation is made for a program that has been previewed. E in the PSI of the preview program
It is assumed that the IT includes link information to the EPG regarding the program to be announced.

First, when the program preview broadcast is received, the operation starts (step S101), and the control section 9 determines whether or not the user has pressed the program recording reservation button of the operation section 12 (step S102). If the program recording reservation button has not been pressed in step S102, the process ends,
On the other hand, when the program recording reservation button is pressed, the control unit 9 refers to the EPG channel based on the link information to the EPG added to the program preview broadcast, and sets the broadcast channel and broadcast The date and time information is obtained (step S103).

The control unit 9 stores the broadcast channel information and the broadcast date and time information acquired in step S103 in the memory 11 (step S104). The control unit 9 determines whether or not the program broadcast start time of the broadcast time information stored in the memory 11 has reached based on a built-in clock (not shown) (Step S).
105), if the broadcast start time has not come, the process stands by, and when the broadcast start time comes, the control unit 9 controls the baseband processing unit 3, the error detection / correction processing unit 4, and the audio / video decoding unit 5. Then, while receiving the reserved program, the recording unit 10 is controlled to record the audio / video signal (step S106).

Thereafter, the control unit 9 stores the current time in the memory 11.
It is determined whether or not the program broadcast end time has been reached based on the broadcast date and time information stored in step S107. If the program broadcast end time has not been reached, recording of the program is continued and the program broadcast end time is set. Then, the control unit 9 controls the recording unit 1
0 to end the recording of the program. In this way, when the user watches the program preview broadcast, it is possible to reserve the recording of the program that has been previewed by a simple operation.

In the first embodiment, the broadcast channel and the broadcast time of the preview program are stored when the program recording reservation button is pressed, and the stored channel is received when the reserved time comes. However, when the scheduled time comes, the program arrangement information channel is received, the program information of the reserved program is read, and it is checked whether the broadcast time of the reserved program has been changed. If the time has been changed, the stored broadcast time may be stored again at the time after the change. In this way, a desired program can be reliably recorded even when the reserved time is changed due to a broadcast time extension of a sports broadcast or the like.

In the first embodiment, an example has been described in which a recording reservation is made during reception of a program preview broadcast. However, when a program viewing button is pressed during reception of the program preview broadcast, a program broadcast channel of the preview program is pressed. , Memorize the program broadcast time,
When the stored broadcast time comes, the stored broadcast channel can be received.

FIG. 4A is a diagram showing a display example of the digital receiver of the first embodiment. In the figure, DSP is a display screen, BS is a video of a program preview broadcast currently being viewed, CH is a display of a currently viewed channel, RB is a view reservation button for instructing viewing of a preview program, and RRB.
Is a viewing reservation button for instructing recording reservation of a preview program.

The user watches the program preview broadcast shown on the display screen DSP and presses the viewing reservation button RB when he / she wants to see the program that has been previewed.
When the user wants to record a program that has been announced, he presses a recording reservation button RRB. When the viewing button RB is pressed, the control unit 9 refers to the EPG channel based on the data associated with the EPG channel multiplexed in the program preview broadcast, acquires the broadcast channel of the preview program, the broadcast date and time information, and stores it in the memory. 11 is stored. When the current date and time becomes the program broadcast date and time stored in the memory 11, the control unit 9
It controls the F unit 2, the baseband processing unit 3, and the error detection / correction unit 4 to receive the broadcast channel stored in the memory 11.

On the other hand, when the recording reservation button RRB is pressed, the control unit 9 receives the EPG channel based on the data associated with the program preview broadcast, and transmits the broadcast channel and broadcast date and time information of the program being announced. Acquired and stored in the memory 11. When the current date and time becomes the broadcast date and time stored in the memory 11, the control unit 9 controls the RF unit 2, the baseband processing unit 3, and the error detection / correction unit 4 to receive the broadcast channel stored in the memory 11, and Recording unit 10
To perform recording.

(D) Second Embodiment FIG. 3 is a diagram showing an operation flow of a digital broadcast receiving apparatus according to a second embodiment of the present invention. In the second embodiment, an example is shown in which, while the user is receiving a certain channel and viewing a program, the user looks at the program information to be broadcast next and records the program that the user likes.

First, when the user is watching a broadcast of a certain channel, the control unit 9 controls the baseband processing unit 3 and the error detection / correction processing unit 4 to refer to the EPG channel to view the current broadcast. The detailed information (for example, program name, content information, etc.) of the program to be broadcasted after the current program is obtained (step S201). Next, the control unit 9 determines in step S2
Then, the detailed program information to be broadcast next obtained in step 01 is displayed on the display device 6 together with the video of the program currently being viewed (step S202).

The control section 9 determines whether or not the recording reservation button of the operation section 12 has been pressed (step S203), and terminates the processing if the program recording reservation button has not been pressed. If the recording reservation button is pressed in step S203, the control unit 9 controls the baseband processing unit 3 and the error detection / correction processing unit 4 to refer to the EPG channel, and the broadcast start time of the program to be broadcast next. Read information and store in memory 1
1 (step S204). And the control unit 9
Determines whether the current time has reached the broadcast start time based on the program information stored in the memory 11 (step S20).
5) If the broadcast start time has not come, the process waits until the broadcast start time comes.

When the program broadcast start time comes in step S205, the control unit 9 controls the baseband processing unit 3, the error detection / correction processing unit 4, and the audio / video decoding unit 5 to receive the program, and Output to the speaker 7 and the display device 6 and the recording unit 10
To start recording the audio / video signal (step S206). Then, the control unit 9 determines whether or not the current time has reached the broadcast end time based on the program information stored in the memory 11 (step S207). Continue recording until. When the program broadcast end time comes in step S207, the control unit 9 controls the recording unit 10 to end the recording of the audio / video signal.

In this way, the user can easily know the contents of the program to be broadcast next to the program currently being viewed, and can make a recording reservation for the next program.
In the description of the second embodiment, the program to be broadcast next to the program currently being viewed is scheduled to be recorded. Next broadcast content information (eg song title and broadcast start time)
Can be acquired from the program arrangement information channel and displayed on the display screen, and the next broadcast song in the same program can be recorded by a simple operation. In this case, a next song reservation button is provided instead of a next program reservation button, and when the next song displayed on the display screen is to be recorded, the next song reservation button is pressed, so that a desired song can be selected from the program arrangement information channel. The broadcast start time information may be read and stored, and recording may be started when the broadcast time of the stored music comes.

FIG. 4B is a diagram showing a display example of the digital broadcast receiving apparatus of the second embodiment. In FIG.
Is a display screen for displaying the received program broadcast, CP
Is the name of the currently viewed program, CH is the currently displayed broadcast channel, NP is the name of the program broadcast on the same channel next to the currently viewed program, and NRB is the instruction to record the next broadcasted program. Is a next program recording reservation button for performing the following. In FIG. 4B, the display screen DSP displays the currently viewed program video, the program name NP of the next broadcast program, and the user wants to record the next broadcast program. If so, press the next program recording reservation button NRB. When the next program recording button NRB is pressed, the control unit receives the EPG channel and acquires and stores the program broadcast time information of the program to be broadcast next.

When the user looks at the name of the next broadcast program NP displayed on the display screen DSP together with the currently viewed program video, and decides to record the next broadcast program, the user can record the next program. Press the button. When the next program recording button is pressed, the control unit 9 receives the program arrangement information channel based on the data related to the program arrangement information channel multiplexed with the currently viewed program, and receives the next broadcast program. The broadcast time information is read out and stored in the memory 11. When the current time reaches the program broadcast time stored in the memory 11, the program is recorded.

In the manner described above, the user can easily know the contents of the program to be broadcast next, and if he / she wants to record the program to be broadcast next, he / she can reliably record the program from the start of the program broadcast. can do. As described above, the present invention has been described with reference to the embodiments. However, the present invention can be variously modified in accordance with the gist of the present invention described in the claims, and the present invention does not exclude these.

[0037]

As described above, according to the present invention, the broadcast channel and the broadcast date and time information of the preview program multiplexed in the program preview broadcast are stored in accordance with the user's simple reservation instruction while viewing the program preview broadcast, When the stored program broadcast date and time arrives, the stored broadcast channel is received and recording is started, so it is possible to easily and reliably reserve the program of interest by watching the program preview broadcast, It is convenient. Also,
According to the present invention, the program name broadcast next to the currently viewed program is displayed together with the currently viewed program display, so that information on the next program can be easily obtained. When recording the program to be broadcast next to the program currently being broadcast, the recording is automatically started when the broadcasting time of the next program is reached by a simple operation of the user. The program can be reliably recorded without the user having to worry about the timing.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a main part of a digital broadcast receiving apparatus of the present invention.

FIG. 2 is a diagram showing an operation flow of the first embodiment of the present invention.

FIG. 3 is a diagram showing an operation flow of a second embodiment of the present invention.

FIG. 4 is a diagram showing a display example of the digital broadcast receiving device of the present invention.

FIG. 5 is a display example of an EPG channel.

FIG. 6 is a block diagram for explaining signal processing on a digital broadcast sender side.

FIG. 7 is a diagram illustrating a packet configuration of a digital broadcast signal.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Antenna 2 ... RF part 3 ... Baseband processing part 4 ... Error detection / correction processing part 5 ... Audio / video decoding part 6 ... Display device 7 ... Amplifier 8 ... Speaker 9 ... Control unit 10 ... Recording unit 11 ... Memory 12 ... Operation unit

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04N 7/025 H04N 7/08 A 7/03 7/035

Claims (3)

[Claims] 1. A digital broadcast receiving apparatus for multiplexing and broadcasting a plurality of channels and receiving a digital broadcast to be broadcast by adding program information of the preview program to a program preview. Viewing reservation instructing means for instructing viewing reservation, program storage means for storing program information of a preview program specified by the viewing reservation instructing means, and broadcast time of the preview program based on the program information stored in the program storage means. And a control means for receiving a preview program in response to the notification. 2. A digital broadcast receiving apparatus for multiplexing and broadcasting a plurality of channels and receiving a digital broadcast to be broadcast by adding program information of the preview program to a program preview. Recording reservation instruction means for instructing recording reservation of the preview program while viewing the program announcement; program storage means for storing program information of the preview program specified by the recording reservation instruction means; A digital broadcast receiving apparatus comprising: a control unit that receives a preview program according to a broadcast time of the preview program based on program information and records the broadcast by the recording unit. 3. A digital broadcast receiving apparatus for receiving a digital broadcast which multiplexes and broadcasts a plurality of channels including a program arrangement information channel, a recording means for recording a program broadcast, and a program broadcast next to a program being viewed. Next program information acquiring means for acquiring program information of a program from the program sequence information channel; display means for displaying the next program information acquired by the next program information acquiring means together with the program being viewed; Next program recording instructing means for instructing recording reservation of a program to be broadcasted on; a storing means for storing next program information instructed by the next program recording instructing means; and a next program information stored in the storing means. A digital broadcast receiving apparatus comprising: control means for recording a program broadcast by the recording means according to a time at which a next program is broadcast.