JP2003198962A - Transmitting device, receiving device, and transmission and reception system for digital tv broadcast, and computer-readable recording medium - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a system which enables a viewer to easily reserve a program over a look at a reservation picture for program reservation. <P>SOLUTION: The digital broadcast transmission and reception system comprises a digital broadcast transmitting device 101 and a digital broadcast receiving device. The digital broadcast transmitting device 101 multiplexes into a transport stream and transmits audio data and video data constituting a broadcast program and reservation control information (RCI) which is superposed on the video data and controls the reservation picture for accepting a program reservation. The digital broadcast receiving device 102 receives the transport stream, extracts the RCI associated with the broadcast program, and outputs the reservation picture entered into the RCI over video of the broadcast program. A program reservation indicated by the viewer is accepted and reservation information specifying the program is stored. The program specified with the reservation information is reproduced and outputted. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to program reservation for a digital TV broadcasting system.

[0002]

2. Description of the Related Art Conventionally, as a first method of recording reservation of a television broadcast program, a viewer uses a remote controller while watching a printed matter such as a program guide to start viewing and start recording. There is a method of inputting the end time and the viewing channel. In recent years, in order to relieve 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 also become popular.

In digital satellite broadcasting, the third
There is a method of using EPG (Electronic Program Guide) to schedule recording of a program.

[0004]

However, the first method requires a printed matter such as a program guide at hand,
It is not possible to 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 it is possible to easily make a recording reservation while watching the TV screen, the reservation display screen displayed on the TV screen transmitted from the broadcasting station is uniform. . Furthermore, the receiving device displays the EPG regardless of the program being broadcast and makes a recording reservation, so that a plurality of programs cannot be reserved at one time.

In view of the above problems, the present invention firstly provides a digital broadcast transmitting apparatus capable of broadcasting such that a display screen for changing reservations is displayed in various images of a broadcast program. Secondly, it is a second object to provide a digital broadcast receiving apparatus which allows a viewer to make a program reservation while watching a broadcast program, and a third object is to provide a digital broadcasting transmitting / receiving system which achieves these two objects.
The purpose of.

[0006]

In order to solve the above-mentioned problems, the present invention provides a digital broadcast transmitter for transmitting a transport stream and a digital broadcast for receiving the transport stream and displaying a program reservation screen on an external display. A digital broadcast transmission / reception system comprising a reception device, wherein the digital broadcast transmission device stores a plurality of presentation information as broadcast programs, which is presentation information which is video data and / or audio data, and A first script describing a program reservation operation of a viewer, which is used when a program reservation from a viewer is received in a digital broadcast receiving device, information specifying a program when the operation is performed, and reservation registration of the information. Reservation control consisting of a second script that describes that Reservation control information storage means for storing information, information specifying the broadcast program, and broadcast time of the broadcast program, and program schedule information for associating the broadcast program with the reservation control information The program schedule information storage unit that stores the program schedule information, and the program schedule information is referred to, and the presentation information is read out during the transmission time corresponding to the broadcast time and the reservation control information corresponding to the presentation information. The digital broadcast receiving device includes a multiplexing control unit that multiplexes the repeatedly read one and the transport stream, and a transmitting unit that transmits the transport stream. Display processing means for extracting information and reservation control information; When the sentation information includes video data, display processing means for displaying a video screen based on the video data on the display, program reservation reception means for receiving a program reservation operation from a viewer, interpreting the first script, When the program reservation operation matches the contents of the first script, the second script
A script interpretation executing means for executing the script is provided.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION An 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 block diagram of an embodiment of a digital broadcast transmitting / receiving system according to the present invention.

This digital broadcast transmission / reception system includes a digital broadcast transmission device 101 and a digital broadcast reception device 10.
2, and 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 route 103
Is a path for transmitting a transport stream from the digital broadcast transmitting apparatus 101 to the digital broadcast receiving apparatus 102, and as the transmission method, for example, satellite transmission, terrestrial transmission, or cable transmission can be adopted.

This digital broadcast transmission / reception system is based on MPEG
2 (Moving Picture Experts Group 2) video standard, system standard and DVB (Digital Video Broadcasting) standard. Incidentally. For the MPEG2 standard, see "Latest M
PEG textbook "(American Multimedia Communication Research Group, 1995, ASCII Corporation). For the DVB standard, European Communication Standard 300
468. (Configuration of Digital Broadcast Transmitting Device 101) The digital broadcast transmitting device 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, and transmission section 117
It has 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 video data including moving image data and still image data which have been digitized in advance, and audio data. Each of these pieces of data is given a unique identification number, such as a file name. In this embodiment, these individual A / V data are
Data that constitutes the original program of digital broadcasting, and will be referred to as presentation information hereinafter. In addition, the identification number attached 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. Although it is schematically shown here as video data, it is actually stored as digital data.

The file name does not necessarily have to be the presentation ID itself. For example, the type of presentation information is associated with the extension, and the moving image data of the presentation ID "3" is "3.vid" and the presentation ID " Still image data of “7” may be set to “7.img”. Although not shown, the presentation information is also stored in the A / V data storage unit 111 with audio data having a presentation ID.

The program schedule information storage unit 112 is composed 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,
The reservation control information is information indicating a program to be reserved. FIG. 3 is a diagram showing an example of program schedule information. The program schedule information 301 includes a presentation ID column 302 that identifies presentation information that constitutes a program, and reservation control information that identifies reservation control information transmitted together with the presentation information of the program.
An ID column 303, a start_time column 304 indicating the broadcast start date and time of the program, and a duration column 305 indicating the broadcast time of the program
And the original_network_id to identify the 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 is a program composed of video data identified by presentation IDs "3" and "7" and audio data identified by presentation ID "4". It indicates that the reservation control information identified by the reservation control information ID “1” is transmitted at the same time. Where presentation id
As a plurality of presentation information items identified by "3" and "7" are described in one program, a plurality of video data and / or audio data can be included in one program.

Also, original_network_id, transport_s
tream_id, service_id, and event_id are defined by the DVB standard, and one program can be specified by these groups. Similarly, start_time and duration are DVB standard EIT (E
It is shown as the information of the broadcast start time and broadcast time of the vent information table). This program is January 1, 1999
It indicates that it 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 disc, and stores the reservation control information transmitted together with the original presentation information of the program. The reservation control information is given unique identification information such as a file name. Here, the identification information is an identification number. FIG. 4 shows reservation control information (hereinafter referred to as “RCI (Reserve Control Informatio)” identified by the reservation control information ID “1” of the program schedule information 301 described above.
n) ”. ) Is shown. RCI 401 contains the 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.

In the display element information 402, display element data to be displayed on the video of the program is displayed. First
A unique ID of the graphic object, which is a display element, is assigned to the column 411. The name of the graphic object is recorded in the second column 412. 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 being (0,0). The size of the graphic object is recorded in the fourth column 414. In the fifth column 415, default display states of graphic objects are recorded. The type of the graphic object is recorded in the sixth column 416. Data of the graphic object is recorded in the seventh column 417.

The graphic objects with IDs "1", "5", and "6" are of the text box type, and have a description for program reservation as their contents. Here, the graphic object of “Touroku” with the ID “5” is hidden in the initial display state. ID
The graphic objects of "button 1", "button 2", and "button 3" of "2", "3", and "4" are
It is of a bitmap type and becomes an operation object when displayed as a display element on the display screen of the digital broadcast receiving apparatus 102.

The program reservation operation control information 403 is input operation information 424 for each of the display elements 421, 422, 423 which is an operation object in the above-mentioned display element information 402.
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.
Each button operation of 2,423 is described. When a signal corresponding to each button operation is input, the program identification information 4
The programs shown by 27, 428, and 429 are reserved.

Here, the program identification information 427 is the identification number (8, 2, 9,
38) shows 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) as shown in FIG.
The program including the presentation information of the presentation IDs "10" and "20" indicated by is specified. Similarly, the program identification information 428 is the presentation ID.
This indicates that a program composed of presentation information "11" and "21" is reserved.

With respect to the input operation information 426, the program identification information 429 is the presentation ID “10”,
This shows that two programs are reserved at the same time for a program composed of presentation information of "20" and a program composed of presentation information of presentation IDs "11" and "21". 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, 426.
Change the display state of the graphic object with display element ID "5" with the script "change_visibility" (display / non-display change command).
“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 is 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 the program producer to accept a reservation of a program (advertisement target) during the broadcasting of a program (for example, a program advertising program) previously associated with the program schedule information.

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 controller key “1”, the signal corresponds to the input operation information 424, so that the first episode of the program “Japanese travelogue” specified by the program specifying information 427. Is booked. Furthermore, 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 as the background of the reservation screen is changed to the presentation information of the presentation ID "7".

When the viewer presses the remote controller key "2", the signal corresponds to the input operation information 425. Therefore, the program "Japan Travelogue" specified by the program specifying information 428.
The second episode of is reserved. Further, the display control information 431 changes the display element “reservation registered” of ID “5” from the non-display state to the display state. Also, when the viewer presses the remote control key “3”, the signal corresponds to the input operation information 426, so the first and second episodes of the two programs “Japan Travelogue” specified by the program specifying information 429 are performed. And are booked. Further, the display control information 432 changes the same display screen as the display control information 430.

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 display state is as shown in FIG. 5 in the initial state. Upon receiving an instruction from the transmission control unit 115, the system table generation unit 114 receives the program schedule information 30 stored in the program schedule information storage unit 112.
1 is read and NIT (Network Info) that conforms to the DVB and MPEG2 standards is read.
rmation Table), SDT (Service Description Table), EI
T (Event Information Table), PAT ((Program Associati
system tables such as on Table) and PMT (Program Map Table) are generated. 6 to 10 show an example of each system table multiplexed in the transport stream in which the RCI 401 is multiplexed.

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

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

The PMT 1001 has a packet identifier PID = 0x0.
030 is added, and a packet identifier PID is given for each type of presentation information and RCI 401 (FIG. 10). When the system table generation unit 114 finishes generating each system table, the transmission control unit 115
Notify the created system table to.

The transmission control unit 115 receives the notified PMT10.
01, the presentation information and the reservation control information storage unit 113 stored in the A / V data storage unit 111.
And the RCI 401 stored in, and the packet identifier PID is added, and the multiplexing unit 116 is notified. At this time, when the presentation ID is included in the RCI display control information 430, 432, it is converted into 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 sends data so that the start_time (broadcast start time) in the program schedule information 301 stored in the program schedule information storage section 112 can be reproduced and output by the digital broadcast receiving apparatus 102. When the start time is reached, the multiplexing unit 116 is instructed to multiplex the presentation information and the RCI 401 into the transport stream. Further, when the data transmission end time determined based on the broadcast end time is reached, the stop of the multiplexing is instructed.

The data transmission start time is the broadcast route 1
It is a time in consideration of delay etc. at 03, etc., and is usually set to a time about 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 in the transport stream (a process called so-called source coding) and multiplexes them, and then the transmission unit 11
Send to 7. Also, when receiving an instruction to stop multiplexing from the transmission control unit 115, the presentation information and RC
Stop multiplexing with I401.

The multiplexing unit 116 also multiplexes each system table 601 and the like with the transport stream. The multiplexing of the system table 601 and the like is described in Japanese Patent Laid-Open No. 10-304325. Therefore, the description thereof is omitted. The transmitter 117 transmits the transport stream sent from the multiplexer 116 via the broadcast path 103 to the digital broadcast receiver 10.
Send to 2.

FIG. 11 shows the presentation information identified by the presentation IDs “3” and “7” shown in FIG. 2, the presentation information of the audio data, and the RCI 401.
FIG. 6 is a diagram schematically showing a transport stream in which a system table 601 and the like are multiplexed. The transport stream 1101 includes presentation information 1102, which is the main body of a broadcast program, and a packet identifier PI.
Display element information 402 for program reservation displayed overlaid on presentation information (video data identified by presentation IDs “3” and “7” shown in FIG. 2) 1103 identified by D = 0x0050, 0x0051. RCI1104 including
And each system table 1105 are multiplexed.

Here, the RCI 1104 and each system table 1105 are the transport stream 1101.
It is multiplexed into the private section of. Also,
The RCI 1104 is repeatedly multiplexed over the transmission time of the presentation information 1102. (Operation of Digital Broadcast Transmitting Device 101) Next, the operation of the present embodiment will be described using the flowchart shown in FIG.

First, the system table generator 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 the transmission control unit 115 receives the notification of each created system table from the system table generation unit 114, it refers to the PMT and each presentation information stored in the A / V data storage unit 111 and the reservation control information. A unique packet identifier PID is assigned to each RCI stored in the storage unit 113 (S1).
204).

If the presentation ID is included in the display control information of the RCI, the transmission control unit 115 returns to S
It is converted into the corresponding PID added to the presentation information in 1204 (S1206). Next, the transmission controller 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 is reached (S
1208), and instructs the multiplexing unit 116 to perform multiplexing.

According to the instruction from the transmission control unit 115, the multiplexing unit 116 encodes each presentation information and RCI, multiplexes them into a transport stream, and sends them to the sending unit 117 (S1210). The sending unit 117 sends a transport stream in which each presentation information, RCI, and each system table are multiplexed to the broadcast route 10.
The data is transmitted to the digital data receiving apparatus 102 via S3 (S1212).

When the reception control unit 115 reaches the data transmission end time determined from the broadcast end time determined by start_time and duration (broadcast time) in the program schedule information, it instructs the multiplexing unit 116 to stop the multiplexing. (S1214), the process ends. (Configuration of Digital Broadcast Receiving Device 102) The digital broadcast receiving device 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
And 32.

The receiving section 121 receives the transport stream transmitted from the digital broadcast transmitting apparatus 101 via the broadcast path 103, and only the transport stream corresponding to the transport_stream_id designated by the reception control section 130 is TS-decoded. It is output to the unit 122.
The TS decoder unit 122 uses the PID (packet identifier) designated by the reception control unit 130 as the separation condition,
Receiving unit 1 for each system table such as SDT, EIT, PAT, PMT
It is extracted from the transport stream input from the terminal 21 and written in the system table storage unit 127.

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

Under the control of the reception control unit 130, the reproduction unit 124 separates the presentation information decoded by the A / V decoder unit 123 into audio data and video data.
The separated audio data is converted into an audio signal, and the audio output unit 1
Output to 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 outputs the digital audio signal input from the reproducing unit 124 as it is or after converting it into an analog audio signal 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 or the PAL system and outputs the analog video signal to an external display such as a CRT. The digital video signal may be output as it is to an external display.

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, EIT 801, PAT 901, and PMT 1001 are stored. Also, depending on the viewer, the first of the program "Japan Travel"
When the story is reserved, 10:00 on January 1,
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 the SDT 1301 corresponding to transport_stream_id “2”. FIG. 14 shows the EIT 1401 in which the broadcast start time “start_time” of the first episode of the program “Japan Travelogue” is described. Figure 15 shows ser
The PAT 1501 corresponding to the vice_id “9” is shown. FIG. 16 shows the PMT 1601 in which the PID of the presentation information of the first episode of the program “Japan Travelogue” is described.

The reservation control information storage unit 128 is composed of a RAM or the like, and stores the RCI extracted by the TS decoder unit 122. FIG. 17 is from 12:00 on January 1, 1999 to 12
The RCI 1701 that may be stored in the reservation control information storage unit 128 until the hour 5 minutes is shown. This RCI 17
01 is shown in FIG. 4 in which the reservation control information storage unit 113 of the digital broadcast transmitting apparatus 101 stores only that the presentation control information 1702, 1703 identifies the presentation information by the script “change_presentation0x0051” and the packet identifier. Different from RCI401.

The input receiving section 129 receives input signals for program selection, program reservation, etc. by a viewer's remote control operation or the like. The reception control unit 130 is notified of the received signal. The reception control unit 130 has a CPU, a ROM that stores a control program for receiving the transport stream and interpreting the RCI, and a RAM that is a working storage area. 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.
, Etc., when a program reservation is made by the viewer,
A set of identification numbers of any of the program identification information 1704, 1705, 1706 in the RCI 1701 that identifies the reserved program is stored. FIG. 18 shows the reservation information storage unit 13 when the viewer has reserved the first episode of the program “Japan Travelogue”.
1 shows the stored contents of 1. A set of identification numbers (8, 2,
The reservation information 1801 which is 9, 38) is original_network_id, transport_str that identifies 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 pieces of this reservation information are stored.

Further, the reservation information 1801 contains start_ti of the program.
It is also possible to record me together and start the extraction of each system table a predetermined time before this start_time. The time management unit 132 manages time,
In response to a time inquiry from the reception control unit 130, the current time is notified. Here, the time includes information of year, month, day, and time. Note that this time management is performed by TDT (Time Date Table,
TS (not shown in FIG. 12 and defined in the DVB standard)
It is extracted by the decoder 122, received through the reception control unit 130, and time is measured based on this TDT. Here, the present time is measured based on TDT, but the present time may be measured by the built-in clock. (Operation of Digital Broadcast Receiving Apparatus 102) Next, the operation of the present embodiment will be described with reference to the display screen (FIG. 19) displaying the analog video signal output from the video output unit 126 centering on the control of the reception control unit 130. Referring to FIG. 20, FIG.
This will be described with reference to the flowchart of FIG.

FIG. 19 (a) shows a display screen for program reservation displayed on a display such as a CRT. This display screen 1901 is a reservation screen 1903 (FIG. 19 (FIG. 19 (FIG. 19 (b))) generated according to the display element information 1707 of the RCI 1701 on the video screen (video data) 1902 (FIG. 19 (b)) based on the original video data of the program. c)) is piled up. FIG. 19D shows an example of the display screen 1904 when the viewer makes a program reservation.

First, the reception control unit 130 receives the selection of the program by the viewer via the input reception unit 129. The program selection is original_network_id, transport_stream_id, se
This is done by designating a pair of rvice_id and event_id (S200
2). The reception control unit 130 uses the selected transport_stre.
The reception unit 121 is instructed 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. In addition, the reception control unit 130 includes a system table storage unit 127 and a reservation control information storage unit 128.
The stored contents of and are deleted (S2004).

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

The reception control section 130 refers to the PAT stored in the system table storage section 127, notifies the TS decoder section 122 of the PMT PID "0x0030", and instructs the extraction of the PMT (S2010). The TS decoder unit 122
The PMT is extracted and written in the system table storage unit 127. The reception control unit 130 uses the system table storage unit 12
It is determined whether or not the PMT type stored in No. 7 has RCI (S2012). At some time, the TS decoder unit 1
22 is notified of the PID, and the RCI corresponding to the PID is instructed to be extracted (S2014).

The TS decoder unit 122 writes the extracted RCI in 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 RCI is stored in the reservation control information storage unit 128.
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 to be no in S2012, the reception control unit 130 notifies the TS decoder unit 122 of the PIDs corresponding to the video and audio described in the PMT type, and the A / A of the presentation information.
Instruct output to the V decoder unit 123 (S202
0). At this time, when there are a plurality of PIDs corresponding to video, the PID described first (upper row 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 reception screen is notified from the reception control unit 130, the reproduction unit 124 combines the reservation screen and 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 controller 124 and the reception controller 130
19 (c) from the reservation screen 1903 is notified, if the video data 1902 shown in FIG. 19 (b) is input from the A / V decoder unit 123, the video data 190
The reservation screen 1903 is superimposed on the screen No. 2 and the display screen 1901 shown in FIG. The reception control unit 130 waits for a viewer's input signal from the input reception unit 129 (S2028).

Next, the processing operation of the program reservation acceptance will be described. The reception control unit 130 waits for an input signal from the viewer (S2102), and the input signal is the reservation control information storage unit 128.
Input operation information 170 of RCI 1701 stored in
It is determined whether the signal corresponds to any one of 8, 1709 and 1710 (S2104). If neither is supported, the process returns to S2102.

If the signal corresponds to any one of the input operation information 1708, 1709, 1710, the reception control section 130 determines whether or not there is the program specifying information 1704 or the like for the input operation information (S2106). If there is, the reservation information described in the program identification information 1704 or the like is written in the reservation information storage unit 131 (S2108). For example,
When the viewer depresses the “1” key on the remote controller when 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. Upon reception, it is determined that the signal corresponds to the input operation information "push1_key" 1708 of the RCI 1701, and the program specific information "reserve8,2,9,38"
18, the reservation information storage unit 131
The reservation information (8, 2, 9, 38) 1801 is written in

Next, the reception control unit 130 determines whether or not there is a presentation information change command 1702 or the like in 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 uses PI
New presentation information is extracted using D as the separation condition and output to the A / V decoder unit 123.

The reception control unit 130 determines whether or not 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, the reproduction unit 124 is notified, and an instruction to combine with the video data is given (S).
2116).

The reproducing unit 124 synthesizes the video data input from the A / V decoder unit 123 and the reservation screen notified from the reception control unit 130, and outputs it to the video output unit 126. This completes the program reservation acceptance process.
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 1904 is changed. At this time, the content of the display element (graphic object) ID "5""Reservationregistered" is changed from the non-display state to the display state.
The presentation information is also changed to the still image 202 of the presentation of PID “0x0051” (presentation ID = 7 shown in FIG. 2).

Next, the program reservation execution operation will be described. First, the reception control unit 130 waits until the reservation information 1801 is stored in the reservation information storage unit 131 (S2202), and the reception unit 1 receives the transport stream corresponding to transport_stream_id = 2 described in the reservation information 1801.
21 and the PID “0x0012” is set to the TS decoder unit 122.
Notify and instruct to extract EIT. The EIT1401 in which the start_time of the program corresponding to event_id = 38 described in the reservation information 1801 is stored in the system table storage unit 127
To obtain (S2204).

The reception control unit 130 inquires of the time management unit 132 about the current time, and determines whether the acquired start_time and the current time match (S2206). If they do not match, the process returns to S2204, and when 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 to extract information.

The TS decoder section 122 sends the presentation information of the reserved program to the A / V decoder section 123. The A / V decoder unit 123 decodes the presentation information and outputs it to the reproduction unit 124. The reproducing unit 124
The audio output unit 125 outputs audio data and video data, respectively.
To the video output unit 126. Audio output unit 125
Causes the audio output from the external speaker, and the video output unit 1
26 shows a program image on an external display (S
2208).

That is, the system table storage unit 127 has the NIT 601 shown in FIG. 6, the SDT 1301 shown in FIGS. 13 to 16, the EIT 1401, and the PAT 150.
1 and PMT1601 are stored. Based on each of these system tables, PID "0x0080", "0x008"
1 "video data and audio data are TS decoder unit 12
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 time management unit 1
32 is inquired about the time, and it is determined whether or not the reproduction end time and the current time match (S2212). If they do not match, the process returns to S2210, and if they match, the TS decoder unit 122 is instructed to stop the extraction of the presentation information to end the reproduction (S2214), and the reservation information stored in the reservation information storage unit 131. Erase (S
2216), the process ends.

In the above embodiment, the digital broadcast receiving apparatus 102 is designed to reproduce and broadcast a program for program reservation, but the video tape recorder is connected to the audio output section 125 and the video output section 126. However, it may be recorded. Further, in the above embodiment, the display screen for program reservation is displayed by selecting the associated program (program advertising program),
Reservation screen is operated by the viewer's remote control, for example, "Reservation screen"
You may make it overlap with a display screen by pressing a key.
To do this, hide all the default display states in the fifth column 415 of the RCI display element information and add push reserve_screan_key {change_visibility 1 change_visibility 2 change_visibility 3 change_visibility 4 change_visibility 6} 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 facilitate the next reservation for a continuous program and the reservation of a related program.

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

Further, in the above embodiment, when the program reservation is completed, the two video data 201 and 202 are transferred to the transport stream 110 so that the video data of the presentation information is changed to new video data.
Although it is 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. Furthermore, both video data and audio data may be changed.

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 advertising program) for program reservation may be broadcast at the time when the program of digital satellite broadcasting is 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.
To notify the TS decoder unit 122 of the PID of the EIT,
Instruct to extract EIT. In addition, the eve specified in the reservation information
Get the start_time and duration of the program corresponding to nt_id by referring to the EIT.

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

In the above embodiment, the RCI 1701 is used.
Although the display element information 1707 is included in the above, as another embodiment, the display element information 1707 may be omitted and described as bit map data to be displayed in the input operation information of the program reservation operation control information. Further, although the digital broadcast receiving apparatus 102 has the configuration shown in FIG. 1 in the above-described embodiment. A program that exerts the function of each component is recorded on a recording medium, and this recording medium is attached to a digital broadcast receiving apparatus that does not have a program reservation function, and the same program as the digital broadcast receiving apparatus 102 according to the present invention. You may make it show an effect.

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 together with the reservation control information 401 is multiplexed and transmitted in the transport stream. However, in another embodiment, the digital broadcast transmitting apparatus may multiplex only the reservation control information 401 used for program reservation into the transport stream and transmit the multiplexed stream. In this case, in the digital broadcast receiving apparatus 102, when the program reservation is received from the viewer, the reservation screen generated by the reception control unit 130 is notified to the reproducing unit 124, and the reproducing unit 124 via the video output unit 126. , Display the reservation screen on the external display.

Further, in the above embodiment, a plurality of presentation information 1102 is multiplexed in the transport stream 1101 as shown in FIG. 11, but the presentation information may be only audio data or video. 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 only the reservation screen is displayed so as to be superimposed on the background image data.

Further, in the above embodiment, when the reservation is made, the display / non-display change command 1 of the display element of the reservation screen is displayed.
711, etc., to change the display state of the graphic object, or to change the presentation information 170
Although the presentation information has been changed according to 2 etc., as another embodiment, only one piece of presentation information is multiplexed as a broadcast program, and when the reservation is made, this presentation information is reproduced and output. May be.

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 the operation corresponding to the input operation information is received. Describe what is prohibited. As a result, when the viewer makes a program reservation operation, the presentation information having the PID described in the PMT 1001 is output.

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

[0078]

As described above, the present invention is a digital broadcast transmitting apparatus for transmitting a transport stream to a digital broadcast receiving apparatus, which is a plurality of video data and / or audio data as a broadcast program. A presentation information storage unit that stores presentation information, a first script that describes a program reservation operation of a viewer, which is used in the digital broadcast receiving apparatus when receiving a program reservation from a viewer, and an operation. Reservation control information storage means for storing reservation control information composed of information specifying a program when made and a second script describing that the information is reserved and registered; information specifying the broadcast program; A broadcast program that describes the broadcast time of the broadcast program and associates the broadcast program with the reservation control information. Program schedule information storage means for storing the schedule information, the program schedule information is referred to, the presentation information is read out during the transmission time corresponding to the broadcast time, and the reservation control corresponding to the presentation information. It is supposed to be provided with a multiplexing control means for multiplexing information repeatedly read out on the transport stream and a transmitting means for transmitting the transport stream.
With such a configuration, the broadcast program provider who uses the digital broadcast transmission device receives the program reservation operation described in the first script from the viewer in the broadcast program, and reserves the program specified by the second script. You can register.

Further, the reservation control information further includes a third script, and the third script changes the presentation information being reproduced to another presentation information when the 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, the viewer can variously confirm that the reservation registration of the program has been performed.

When the presentation information includes video data, the first script includes an operation object displayed as a display element on the digital broadcast receiving device and is superimposed on a video screen based on the video data of the presentation information. It is supposed to be displayed. With such a configuration, the program reservation operation object can be displayed on the program reservation screen superimposed on the video screen of the broadcast program. Thus, the viewer can easily reserve the program corresponding to the number, for example, by pressing the number assigned to the operation object using the remote controller.

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

Information for identifying the program included in the second script is original_network_id, transport_s.
tream_id, service_id, event_id, and the system table generating means generates a system table group for the presentation information of the program specified by the group to be extracted by the digital broadcast receiving device, and the multiplexing control means. Is to repeatedly multiplex the generated system table group into the transport stream from a predetermined time before the broadcast of the program. With such a configuration, it is possible to reliably reproduce the reserved program by referring to the system table in the digital broadcast receiving device.

Further, the present invention is a digital broadcast transmitting apparatus for transmitting a transport stream to a digital broadcast receiving apparatus, which stores a plurality of presentation information which is video data and / or audio data as a broadcast program. In the presentation information storage means and the digital broadcast receiving device, when the presentation information includes video data, the presentation information storage means is used to accept a program reservation from a viewer and is displayed on the video screen based on the video data of the presentation information. Graphic information including graphic data to be rendered and an instruction to instruct an initial display mode of the graphic data;
Reservation control information including reservation information for specifying a program when a program is reserved and an instruction for changing the graphic data from the initial display mode to another display mode when the program is reserved are stored. Reservation control information storage means, information specifying the broadcast program, and broadcast time of the broadcast program are described, and program schedule information that associates the broadcast program with the reservation control information is stored. A program schedule information storage unit that is present, and that reads out the presentation information during a transmission time corresponding to the broadcast time by referring to the program schedule information,
A multiplexing control unit that multiplexes the reservation control information corresponding to the presentation information that is repeatedly read into the transport stream, and a transmission unit that transmits the transport stream are provided. With such a configuration, the broadcast program provider who uses the digital broadcast transmission device changes the graphic data from the initial display mode to another display mode when the program is reserved, and directs the reservation screen for the program reservation. be able to.

Further, the reservation control information further includes a script, and the script describes that the presentation information being reproduced is changed to other presentation information when the program is reserved. I have decided. With such a configuration, when a program is reserved, it is possible to change the video data of the broadcast program that is the background of the reservation screen or the sound that flows in the back, and provide a more diverse reservation screen.

Further, the reservation control information includes an operation object to be displayed in an overlapping manner on the video screen, the reservation information includes operation information corresponding to the operation object, and the operation information indicates the program reservation operation of the viewer. Described,
In the digital broadcast receiving apparatus, when the viewer operates, the reserved program is specified through the operation information. With such a configuration, the viewer who views the broadcast program on the digital broadcast receiving apparatus can perform an operation of designating the operation object displayed on the reservation screen,
The reserved program can be easily specified.

Further, according to the present invention, a plurality of presentation information, which are video data and / or audio data of a broadcast program transmitted from the digital broadcast transmitter, and reservation control information for program reservation are multiplexed. A digital broadcast receiving apparatus for performing a port stream, receiving the transport stream, and identifying presentation information, a first script describing a program reservation operation of a viewer, and a program when the operation is performed. Receiving / extracting means for extracting reservation control information composed of information and a second script describing that the information is reserved and registered, and when the extracted presentation information includes video data, a video screen based on the video data is displayed. Display processing means to be displayed on an external display and program reservation operation from viewers And the program reservation acceptance means that, said first
Script interpreting means is provided for interpreting the script and executing the second script when the program reservation operation matches the content of the first script. With such a configuration, the viewer can easily make a reservation by performing an instructed reservation operation for the program specified in advance on the digital broadcast transmission device side while viewing various video screens of the broadcast program.

Further, the reservation control information further includes a third script, and the third script changes the presentation information being reproduced to another presentation when the program is reserved, or , That the graphic data included in a part of the reservation control information is reproduced, and the script interpretation executing means interprets the third script, and a third script interpreting unit that interprets the third script. When the interpretation result is the change of the presentation information, the reception and extraction means is controlled so as to switch the extraction to another presentation information,
An information extraction control unit that controls the display processing unit to extract the graphic data from the reservation control information and display the graphic data when reproducing the graphic data, and the display processing unit displays on the video screen. The graphic data will be overlaid and displayed on an external display. With such a configuration, the viewer can surely know that the program has been reserved.

Further, the first script further includes an operation object, and the display processing means displays the operation object in an overlapping manner on the video screen. With such a configuration, it is possible to register the reserved program by designating the operation object displayed on the program reservation screen, for example, by pressing the number key of the remote controller attached to the operation object.

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

Further, in the transport stream, the EIT corresponding to the reserved program and the presentation information as the reserved program are multiplexed, and the program storing the information for specifying the program obtained by the script interpretation executing means is stored. An information storage unit and a timer for measuring time are further provided, and the script interpretation execution unit is configured to extract the EIT in which the program specified by the program information stored in the program information storage unit is extracted. When the broadcast time described in the EIT is reached or has already been reached, the presentation information as the program is extracted by controlling the reception extraction means and referring to the current time counted by the timer. The reception extraction means is controlled as described above. With such a configuration, the reserved program can be reproduced at the broadcast time of the program. Also,
When a program is reserved in the broadcast time zone of the program to be reserved, it is possible to immediately switch from the broadcast program to the reproduction of the reserved program by exerting the same effect as selecting the program.

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

Further, according to the present invention, a plurality of presentation information, which are video data and / or audio data of a broadcast program transmitted from the digital broadcast transmitter, 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, the presentation information and the presentation information when the transport stream is received and the presentation information includes video data. Graphic information including graphic data to be displayed overlaid on a video screen based on the video data and a command for instructing an initial display mode of the graphic data, and reservation information for specifying the program when the program is reserved, When the program is reserved Receiving / extracting means for extracting reservation control information including a command for changing data from an initial display mode to another display mode, and a video screen based on the video data when the extracted presentation information includes video data. Is displayed on the display, program reservation determination means for determining whether or not a program is reserved by a viewer, and the graphic data when the program reservation determination means determines that a reservation has been made. And a control means for controlling the display processing means so that the display mode is changed on the basis of an instruction to change the display mode to another display mode and is displayed on the display so as to be superimposed on the video screen. With such a configuration, the viewer can easily make a reservation for the program while watching the broadcast program, while watching the reservation screen displayed with the broadcast program superimposed on the background.
It is possible to confirm that the program has been reserved on the reservation screen in which the display mode of the graphic data has been changed.

The reservation control information further includes a script, and the script describes that when the program is reserved, the presentation information is changed to another presentation. Is a script interpreting unit that interprets the script, and when the program reservation determining unit determines that a reservation is made,
Another presentation information extraction control unit that controls the reception and extraction unit to switch the extraction to another presentation information based on the interpretation result of the script interpretation unit. With this configuration,
When the program is reserved, the video data or audio data of the broadcast program can be changed, and it is possible to more surely confirm that the program has been reserved.

Further, the reservation control information extracted by the reception and extraction means includes a plurality of operation objects to be displayed in an overlapping manner on the video screen, and the reservation information includes operation information corresponding to each operation object. Each operation information describes the operation of the viewer, and the display processing means displays the operation object on the video screen in a superimposed manner, and program reservation reception means for receiving the operation from the viewer. , And a program ID storage means for storing the ID of the program specified by the reservation information according to the operation. With such a configuration, the viewer can perform an operation of designating an operation object while looking at the operation object displayed on the video screen of the broadcast program, for example, pressing the number key of the remote controller corresponding to the number given to the operation object. By doing so, the reservation of the program specified by the reservation information can be facilitated.

Furthermore, the present invention is a digital broadcast transmission / reception system comprising a digital broadcast transmission device for transmitting a transport stream and a digital broadcast reception device for receiving the transport stream and displaying a program reservation screen on an external display. The digital broadcast transmitting apparatus includes a presentation information storage unit that stores a plurality of presentation information, which are video data and / or audio data as a broadcast program, and a program from a viewer in the digital broadcast receiving apparatus. It is composed of a first script which is used when accepting a reservation and which describes a program reservation operation of a viewer, and a second script which describes information for specifying a program when the operation is performed and a step of registering the information. Reservation control information storage that stores reservation control information Program schedule information storage means that stores the program schedule information that describes the stage, information that identifies the broadcast program, and the broadcast time of the broadcast program, and that associates the broadcast program with the reservation control information. And the program schedule information is referred to and the presentation information is read during a transmission time corresponding to the broadcast time and the reservation control information corresponding to the presentation information is repeatedly read. The digital broadcast receiving apparatus includes a multiplexing control unit that multiplexes into a stream and a transmission unit that transmits the transport stream, and the digital broadcast receiving device receives the transport stream and extracts presentation information and reservation control information. Display processing means and video data included in the presentation information. In this case, display processing means for displaying a video screen based on video data on the display, program reservation acceptance means for accepting a program reservation operation from a viewer, the first script is interpreted, and the program reservation operation is performed by the first script. And a script interpretation executing means for executing the second script when the contents of the above are matched. With such a configuration, in the digital broadcast transmission / reception system, the viewer can easily reserve a program that the broadcast program provider has previously reserved while watching the video screen of the broadcast program.

Further, according to the present invention, a plurality of presentation information, which are video data and / or audio data of a broadcast program transmitted from the digital broadcast transmitter, and reservation control information for program reservation are multiplexed. A computer-readable recording medium that records a program applied to a digital broadcast receiving apparatus that receives a port stream, outputs a video signal of the video data, and displays the video signal on an external display. It is composed of a first script which receives and describes presentation information and a program reservation operation of a viewer, and information which specifies a program when the operation is performed and a second script which describes that the information is reserved and registered. Receiving / extracting means for extracting the reservation control information, and a video in the presentation information. In the case where the program reservation operation is included, display processing means for displaying a video screen based on video data on the display, program reservation acceptance means for accepting a program reservation operation from a viewer, interpreting the first script, and performing the program reservation operation When the contents of the first script match, the recording medium stores a program that exhibits each function of the script interpreting unit that executes the second script.
With such a configuration, this recording medium can be applied to a digital broadcast receiving apparatus that does not have such a function to obtain a digital broadcast receiving apparatus with easy program reservation.

The present invention is also a digital broadcast transmitting apparatus for transmitting a transport stream to a digital broadcast receiving apparatus, which is used when the digital broadcast receiving apparatus accepts a program reservation from a viewer.
A second script that describes a program reservation operation by a viewer, a first script that includes an operation object, and information that specifies a program when the operation is performed and that the information is reserved and registered.
A reservation control information storage unit that stores reservation control information composed of a script, a program schedule information storage unit that stores the broadcast time of the reservation control information, and the program schedule information are referred to, and During the corresponding transmission time, the reservation control information is repeatedly read and multiplexed control means for multiplexing the transport stream and transmission means for transmitting the transport stream are provided. With this configuration,
A small bandwidth can be used to transmit a transport stream that can display only operation objects and accept program reservations.

Further, it further comprises presentation information storage means for storing presentation information as a broadcast program, the program schedule information storage means further stores the broadcast time of the broadcast program, and the multiplexing control means, During the transmission time corresponding to the broadcast time of the broadcast program,
The presentation information is read from the presentation information storage means and multiplexed in the transport stream. With such a configuration, the digital broadcast receiving apparatus can reproduce and output video data or audio data together with the presentation of the operation object.

Further, the present invention is a digital broadcast receiver for receiving a transport stream in which reservation control information for program reservation transmitted from a digital broadcast transmitter is multiplexed. It is composed of a first script which receives and describes the program reservation operation of the viewer and includes an operation object, and a second script which describes information for specifying the program when the operation is performed and the reservation registration of the information. Receiving and extracting means for extracting the reservation control information, and the first of the extracted reservation control information.
Display processing means for displaying an operation object included in the script on an external display, program reservation acceptance means for accepting a program reservation operation from a viewer, the first script is interpreted, and the program reservation operation is executed by the first script. When the contents match, the script interpretation executing means for executing the second script is provided. With such a configuration, the viewer can easily make a program reservation.

Also, presentation information, which is 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 interpretation execution means further controls the reception extraction means so as to extract the presentation information described in the second script, and the reception extraction means extracts the presentation information under the control of the script interpretation execution means, A voice processing unit for reproducing and outputting the presentation information, which is the voice data extracted by the reception and extraction unit, is further provided. With such a configuration, when the reservation operation is performed, the presentation information, which is audio data, can be reproduced and output. For example, if a message indicating "reservation completed" is included in the audio data, the viewer can confirm that the program has been reserved.

Also, presentation information which is video 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 interpretation execution means further controls the reception extraction means so as to extract the presentation information described in the second script, and the reception extraction means overlaps the display of the operation object with the extracted video data. The video screen based on is to be displayed on an external display. With such a configuration, when the reservation operation is performed, the presentation information, which is the video data, can be displayed. For example,
If the video data includes data indicating “reservation completed”, the viewer can confirm the completion of the program reservation.

Further, presentation information, which is audio data during the broadcast time of the broadcast program, is multiplexed in the transport stream, and the reception / extraction means further extracts the presentation information, which is the audio data, and The audio data processing means for reproducing and outputting the extracted presentation information, which is the 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.

Further, presentation information which is video data during the broadcast time of the broadcast program is multiplexed in the transport stream, and the reception and extraction means further extracts the presentation information which is the video data, and The display processing means displays a video screen based on the presentation information, which is the extracted video data, on an external display as the background of the operation object. With such a configuration, the video data can be displayed on the background of the operation object.

[Brief description of drawings]

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

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

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

FIG. 4 is an example of reservation control information stored in a reservation control information storage unit of the digital broadcast transmission device of the above embodiment.

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

FIG. 6 is a diagram showing an example of an NIT generated by the system table generation unit of the above embodiment.

FIG. 7 is a diagram showing an example of an SDT generated by the system table generation unit of the above embodiment.

FIG. 8 is a diagram showing an example of an EIT generated by the system table generation unit of the above embodiment.

FIG. 9 is a diagram showing an example of a PAT generated by the system table generation unit of the above embodiment.

FIG. 10 is a diagram showing an example of a PMT generated by the system table generation unit of the above embodiment.

[Fig. 11] Fig. 11 is a diagram schematically showing a transport stream transmitted from the transmission unit of the above embodiment.

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

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

FIG. 14 is a diagram showing an example of an EIT stored in a system table storage unit of the above embodiment.

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

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

FIG. 17 is a diagram showing an example of reservation control information stored in a reservation control information storage unit of the digital broadcast receiving device of the above embodiment.

FIG. 18 is a diagram showing an example of reservation information stored in a reservation information storage unit of the above embodiment.

FIG. 19A is an example of a display screen for program reservation in which the video signal output from the video output unit of the above embodiment is displayed on an external display. (b) is a display example of the original video data of the program of the above-described 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. 19 (b) of the above embodiment is displayed on the display. (d) is
In the above-mentioned embodiment, it is an example of a display screen for program reservation displayed on the display after the program reservation is made.

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

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

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

[Explanation of symbols] 101 Digital broadcasting transmitter 102 Digital broadcasting receiver 103 Broadcast route 111 A / V data storage unit 112 Program Schedule Information Storage 113 Reservation control information storage unit 114 System Table Generation Unit 115 Transmission control unit 116 multiplexer 117 transmitter 121 Receiver 122 TS decoder section 123 A / V decoder 124 Playback section 125 voice output section 126 Video output section 127 system table storage 128 reservation control information storage unit 129 Input receiver 130 Reception control unit 131 Reservation information storage section 132 hour management department

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H04N 7/035 (72) Inventor Masahiro Ohno 1006 Kadoma, Kadoma-shi, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. ( 72) Inventor Kazuo Okamura 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Inventor, Yoshisuke Mimura 1006 Kadoma, Kadoma City Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Inventor ▲ Taka ▼ Naoya Oya 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. F term (reference) 5C025 AA23 BA27 BA30 CA09 CB08 DA01 5C052 AA01 CC20 DD10 5C063 AA01 AB03 AB07 AC01 AC05 CA40 DA20 DB10

Claims (4)

[Claims] 1. A first script which receives a transport stream, describes presentation information which is video data and / or audio data of a broadcast program from the transport stream, a first script which describes a program reservation operation by a viewer, and the first script. Receiving for extracting reservation control information including program specifying information for specifying a broadcast program when a program reservation operation described in one script is performed and a second script describing that the program specifying information is reserved and registered Extraction means, display processing means for outputting the presentation information extracted by the reception and extraction means to the outside to reproduce the program, program reservation acceptance means for accepting a program reservation operation from a viewer, and acceptance by the program reservation acceptance means If the reserved program reservation operation matches the reserved program operation described in the first script, Script interpretation executing means for executing the second script and performing reservation registration of a broadcast program specified by the program specifying information described in the second script as a reserved program, wherein the reservation registration is the reserved program. When performed during a broadcast time period, the reception extraction unit receives a transport stream including the reserved program, extracts presentation information of the reserved program from the transport stream, and the display processing unit receives the reception information. A digital broadcast receiving apparatus which outputs the presentation information of the reserved program extracted by the extracting means to the outside, and switches from the program being reproduced by the display processing means to the reproduction of the reserved program. 2. The transport stream includes an EIT (Ev) recording a broadcast start time and a broadcast time of a program.
ent Information Table) is multiplexed, and when the reservation registration is performed, the reception extraction unit extracts the EIT corresponding to the reservation program for which the reservation registration is performed from the transport stream, and interprets the script. The digital broadcast receiving apparatus according to claim 1, wherein the execution unit refers to the EIT corresponding to the reserved program extracted by the reception extraction unit to acquire the broadcast start time of the reserved program. 3. The script interpretation executing means corresponds to the reserved program extracted by the reception extracting means.
The digital broadcast receiving apparatus according to claim 2, wherein the broadcast time of the reserved program is acquired by referring to IT. 4. A timer for counting time is further provided, and when the reservation extraction is performed, the reception extraction means broadcasts a reserved program whose current time measured by the timer is acquired by the script interpretation execution means. Even when the broadcast start time has passed compared to the start time, if it is within the time obtained by adding the broadcast time of the reserved program to the broadcast start time of the reserved program, the transport including the reserved program The digital broadcast receiving apparatus according to claim 3, wherein a stream is received, and the presentation information of the reserved program is extracted from the transport stream.