JP7302829B2 - Broadcast service communication network distribution apparatus and method - Google Patents

Description

The present invention relates to broadcasting service communication network distribution technology for distributing content derived from a television broadcasting service using a communication network.

Broadcasters are desired to distribute broadcast programs (video/audio contents) provided by broadcasting services using communication networks. For example, the viewer wishes to watch the missed program after the fact. By the way, in order to distribute individual broadcast programs in accordance with user requests, it is necessary to cut out video signals and audio signals of broadcast services for each program, encode them into files for distribution, and manage them. It is desired to easily cut out video signals and audio signals of broadcast services on a program-by-program basis. Broadcast programs often have a program advertisement frame, an information provision frame, and a commercial frame in addition to the main part of the broadcast program, and it is complicated to cut out the main part of the program. It is desirable to cut out a broadcast program appropriately and easily.

Note that Japanese Patent Application Laid-Open No. 2017-050631 is a patent document related to this invention. This discloses adaptively switching commercial content between the broadcast service and the communication network when distributing the content provided by the broadcast service using the communication network.

The above-described prior art and its problems are provided only to provide some background to the present invention. It should be noted that the present invention is not limited to the prior art and problems discussed above.

JP 2017-050631 A

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above circumstances, and has an object of simplifying program cut-out processing and the like.

According to the present invention, in order to achieve the above object, the configuration described in the claims is adopted. Here, before describing the invention in detail, a supplementary description of the description of the scope of claims will be given.

That is, according to one aspect of the present invention, a broadcast program moving image file management device for managing a broadcast service moving image stream including a video signal and an audio signal of a broadcasting service as a clipped moving image file for each program: program information derived from SI/EPG program cutout information template holding means for holding a program cutout information template; program cutout information template holding means for a broadcast program from the program cutout information template holding means based on the program information derived from the SI/EPG program clipping information template acquisition means for extracting a clipping information template; program clipping means for clipping the broadcast service video stream on a program-by-program basis based on the extracted program clipping information template; program-unit clipped by the program clipping means a moving picture file encoding means for encoding a moving picture stream into a moving picture file for network distribution; a moving picture file storage means for storing the moving picture file so that it can be read in units of programs; and a moving image file transmitting means for reading out from the moving image file storage means and supplying the moving image file to the user host via the communication network.

According to this configuration, it is possible to easily cut out a program by referring to the program cutout information template based on the program information derived from the SI/EPG.

The video signal and audio signal of the broadcast program of the slave station may be generated from a TS (transport stream) packet stream.

Also, the video signal and the audio signal of the broadcast program of the slave station may be SDI (Serial Digital Interface) broadcast signals.

According to another aspect of the present invention, a broadcast service communication network distribution device for distributing a video file derived from a broadcast service via a communication network: Broadcast service video stream acquisition means for acquiring; Broadcast program clipping means for clipping the broadcast service video stream for each program; Video file encoding means for encoding the video stream for each program clipped by the broadcast program clipping means into a video file. and; moving picture file storage means for storing the moving picture file in a readable manner in units of programs; moving image file transmission means for supplying to the host; further, the broadcast program cutout means includes: program information acquisition means for acquiring program information derived from SI/EPG; and program cutout information template holding means for holding the program cutout information template. and; program cutout information template acquisition means for retrieving the program cutout information template from the program cutout information template holding means based on the program information derived from the SI/EPG for the broadcast program; , the video stream of the above broadcasting service is cut out for each program.

According to this configuration, it is possible to easily cut out a program by referring to the program cutout information template based on the program information derived from the SI/EPG.

According to another aspect of the present invention, a broadcast service communication network distribution device for a slave station that broadcasts a broadcast program broadcast by a master broadcast station as part of the broadcast service of its own broadcast station: program clipping means for clipping a broadcast service video stream containing video and audio signals of a station's broadcasting service on a program-by-program basis based on program clipping information; moving picture file encoding means for encoding into a moving picture file; moving picture file storage means for storing the moving picture file in a readable manner for each program; reading the moving picture file from the moving picture file storage means based on a request from a user via a communication network. moving image file transmission means for supplying to the user host via the communication network; master broadcast station program information acquisition means for acquiring program information derived from the SI/EPG of the master broadcast station; SI/EPG of the slave broadcast station a slave broadcast station program information acquisition means for acquiring program information derived from; and comparing the program information derived from the SI/EPG of the main broadcast station with the program information derived from the SI/EPG of the slave broadcast station, and obtaining the slave broadcast main broadcasting station broadcast program identification means for identifying that a broadcast program to be distributed by the station corresponds to a predetermined broadcast program to be distributed by the main broadcasting station; When the broadcast program to be distributed corresponds to the predetermined broadcast program to be distributed by the main broadcasting station, the program clipping information prepared for distribution of the predetermined broadcast program of the main broadcasting station is It is used for the program clipping information for the specified broadcast program of the broadcasting station to be distributed.

According to this configuration, it is possible to easily form the program clipping information of the slave broadcasting station by using the program clipping information of the main broadcasting station.

The present invention can be implemented not only as an apparatus or system, but also as a method. Moreover, of course, a part of such an invention can be configured as software. Naturally, a software product used to cause a computer to execute such software is also included in the technical scope of the present invention.

The above-mentioned and other aspects of the present invention are defined in the claims and are described in detail below with the help of examples.

According to this invention, it is possible to easily cut out a program.

1 is a diagram showing a broadcast service communication network distribution system 100 according to Embodiment 1 of the present invention; FIG. It is a figure explaining the structural example of a computer. FIG. 3 is a diagram illustrating a configuration example of a moving image file processing management unit 150 according to Embodiment 1 of the present invention; It is a figure explaining operation|movement of Example 1 of this invention. It is a figure explaining the program cut-out operation|movement of Example 1 of this invention. FIG. 4 is a diagram showing communication network distribution systems 300 and 400 of a master broadcast station and slave broadcast stations according to Example 2 of the present invention; It is a figure explaining operation|movement of Example 2 of this invention.

Examples of the present invention will be described below.

[Example 1]
FIG. 1 shows the entire broadcast service communication network distribution system 100 of Embodiment 1 of the present invention. A broadcast service communication network distribution system is sometimes simply referred to as a communication network distribution system.

In FIG. 1, a broadcasting service communication network distribution system 100 consists of a group of devices on the broadcasting station premises equipment 100A side and a group of devices on the cloud 100B side. TS receiving unit 120, broadcast signal decoding unit 130, program clipping unit 140, moving image file processing management unit 150, SI/EPG extraction unit 160, programming information storage unit 170, programming control information user interface 190, program clipping information automatic generation unit 195 and a program cutout information template database 196 . Each of clouds 100A and 100B has one or more computers, collectively represented in FIG. As schematically shown in FIG. 2, the computer 1000 includes a CPU (processor) 1001, a main memory 1002, an external interface 1003, an external storage device 1004, etc. An application 1005 is installed in this computer 1000. By doing so, various operations of this embodiment can be realized. The broadcasting station premises equipment 100A and the cloud 100B may be connected via a communication network 2000. FIG.

The moving image file processing management unit 150 includes a moving image file encoding unit 151, a moving image file storage unit 152, and a moving image file distribution unit 153, as shown in FIG. The moving picture file distribution unit 153 distributes the moving picture file to the user device 800 .

The TS transmitter 110 extracts a TS stream from a broadcast signal, eg, a DVB-ASI signal, from the broadcasting equipment 101 of the broadcasting station premises equipment 100, and performs IP packet transmission using the IDP/IP protocol. Equipment for transmitting SDI broadcast signals may be used instead of the TS transmitter 110 . IP transmission of TS streams is described in, for example, Pro-MPEG Code of Practice #3 release 2, July 2004, “Transmission of Professional MPEG-2 Transport Streams over IP Networks”, but is not limited to this. The TS receiver 120 receives, for example, IP packets and extracts a TS stream. The broadcast signal decoding unit 130 demultiplexes the TS stream to generate a video stream and an audio stream, and further performs MPEG decoding to generate video/audio signals. The program clipping unit 140 clips video/audio signals for each program based on the programming information (including program clipping information) in the programming information storage unit 170 . The moving image file encoding unit 151 (FIG. 3) of the moving image file processing management unit 150 receives the video/audio signal after the program clipping process, and converts it to, for example, an HTTP distribution method (typically HLS method, HTTP Live Streaming, Apple Inc.). , and the moving image file is stored in the moving image file storage unit 152 (FIG. 3) in a readable manner in units of moving image files. The distribution unit 152 (FIG. 3) retrieves the moving image file from the moving image file storage unit 152 based on a request from the user and transfers it to the user so that the user can view the program. The distribution unit 153 may be composed of, for example, an HTTP server, but is not limited to this. The SI/EPG extraction unit 160 receives the TS stream from the TS reception unit 120, extracts SI (service information), extracts SI or EPG (electronic program guide), and stores programming information in the programming information storage unit 170. memorize to An operator at the facility of the main station may operate the browser system 180 to enter programming information via the programming control information user interface 190 . The operator may input programming information based on the SI/EPG obtained by the SI/EPG extractor 160 . However, SI/EPG information only includes information on the entire program, and does not distinguish between the main part of the program and accompanying auxiliary frames (program advertisement frame, information frame, commercial frame). Do not distinguish inappropriate parts. The operator may input such program clipping information via the programming control information user interface 190 .

The distribution method is not limited to the HTTP distribution method. MPEG-DASH, Smooth Streaming (Microsoft), or HTTP Dynamic Streaming (Adobe Systems) may be used instead of the HLS method. Any method other than HTTP protocol delivery, such as RTS (Real Time Streaming Protocol) or RTMP (Real Time Messaging Protocol), may be employed.

The program cutout information automatic generation unit 195 searches the program cutout information template database 196 using the program name, distribution day, date and time, genre, etc. obtained from the SI/EPG information as keys, acquires the program cutout information template, and automatically generates the program. Clipping information is generated and registered as program clipping information in the programming information storage unit 170 (X1, X2). The operator may use the browser system 180 to auxiliary set the program clipping information (X3). The program cut-out information template may be based on program organization rules, may be described artificially, or may be automatically generated using a learning method such as a neural network.

FIG. 4 explains the overall operation of the communication network distribution system 100 according to the first embodiment. In this figure, a TS receiver 120 generates TS packets from an IP stream (S10), broadcast signal decoder 130 demultiplexes the TS packets to generate a video stream/audio stream (S11), which is MPEG-decoded to obtain video/audio signals (S12). The program clipping unit 140 clips video/audio signals for each program based on the programming information with the program clipping information in the programming information storage unit 170 (S13). The moving image file encoding unit 151 (FIG. 3) of the moving image file processing management unit 150 generates a moving image file of, for example, the HTTP distribution method from the video/audio signals for each program after the program cutout (S14), and the moving image file storage unit 152 is stored in a readable manner in units of programs (S15). Also, it receives a request from the user (S16), reads out the moving image file from the moving image file storage unit 152 in response to the request (S17), and sends it to the user (user device 800, FIG. 3) via the communication network 2000. (S18).

FIG. 5 shows an example of program clipping processing. In the example of FIG. 5A, program advertisement frames and information frames accompanying the program are arranged before and after the main part of the program. The main part is cut out from the entire program. As shown in FIG. 5A, the entire program starts at ts and ends at te. For example, the program advertisement frame is a segment from ts to t1, the main part of the program is a segment from t1 to t2, and the information frame is from t2 to te. The program cutout section 140 cuts out a program by designating a section of t1-t2 according to the program cutout information.

In the example of FIG. 5B, commercial frames (CM) are arranged before, after and in the middle of the main part of the program. The main part is cut out from the entire program. As shown in FIG. 5B, the first commercial frame (there may be one or more commercial programs; the same applies hereinafter) is the ts-t1 segment, and the first half of the main program is the t1-t2 segment. , the second commercial frame is the segment t2-t3, the second half of the main program is the segment t3-54, and the last commercial frame is the segment t4-te. The program cut-out section 140 cuts out a program by specifying the section t1-t2 and the section t3-t4 according to the program cut-out information. Although two segments are cut out in the example of FIG. 5B (upper side), the whole may be combined and managed as one program (lower side), or may be managed as individual programs. .

[Example 2]
FIG. 6 shows overall a broadcast service communication network distribution system 300 of a master broadcast station and a broadcast service communication network distribution system 400 of a slave broadcast station according to a second embodiment of the present invention. A main broadcasting station (headquarters station or key station) supplies a part of a broadcast program to a subsidiary broadcasting station, and is sometimes called a distribution source station. A sub-station (regional station) receives part of the broadcast program from the main broadcast station, and is sometimes called a distribution destination station. A broadcast service communication network distribution system is sometimes simply referred to as a communication network distribution system.

The communication network distribution system 300 of the main broadcasting station and the communication network distribution system 400 of the subsidiary broadcasting station in FIG. 6 correspond to the communication network distribution system 100 of the main broadcasting station in FIG. In FIG. 6, parts corresponding to those in FIG. 1 are denoted by corresponding reference numerals.

In FIG. 6, a communication network distribution system 300 of a main broadcasting station (headquarters station or key station) consists of a group of devices on the broadcasting station premises equipment 300A side and a group of devices on the cloud 300B side. 310, browser system 380, TS receiving unit 320 of cloud 300B, broadcast signal decoding unit 330, program clipping unit 340, video file processing management unit 350, SI/EPG extraction unit 360, programming information storage unit 370, programming control information user It includes an interface 390 , a program cutout information automatic generation section 395 and a program cutout information template database 396 .

Further, the communication network distribution system 400 of the subordinate broadcasting station (regional station) consists of a group of devices on the side of the broadcasting station premises equipment 400A and a group of devices on the side of the cloud 400B. , TS receiving unit 420 of cloud 400B, broadcast signal decoding unit 430, program cutout unit 440, moving image file processing management unit 450, SI/EPG extraction unit 460, programming information storage unit 470, programming control information user interface 490, comparison unit 491 , a program clipping information automatic generation unit 495 , and a program clipping information template database 496 .

In FIG. 6, the program clipping information automatic generation unit 395 of the main broadcasting station searches the program clipping information template database 396 using the program name, distribution day, date and time, genre, etc. acquired from the SI/EPG information as keys, and generates the program clipping information template. is obtained, program clipping information is automatically generated, and registered as program clipping information in the programming information storage unit 370 (X1, X2). The program cut-out information automatic generation unit 495 of the slave broadcasting station searches the program cut-out information template database 496 using the program name, distribution day, date and time, genre, etc. obtained from the SI/EPG information as keys, and acquires the program cut-out information template. Program clipping information is automatically generated and registered in the programming information storage section 470 as program clipping information. The operator uses the browser systems 380 and 480 to auxiliary set program clipping information (X3).

The comparison unit 491 compares the programming information including the SI/EPG information stored in the programming information storage unit 470 of the slave broadcasting station with the SI/EPG information sent from the programming information storage unit 370 of the main broadcasting station. information and program cut-out information to determine whether or not the program of the main broadcasting station and the program of the slave broadcasting station are the same, and if they are the same, the program production information sent from the main broadcasting station is stored in the programming information storage unit 470 as the program cutout information of its own broadcasting station. The operator of the sub-station does not need to input or adjust the program cut-out information for programs for which the program cut-out information from the main broadcast station can be used.

FIG. 7 explains the diversion of program clipping information of the main broadcasting station in the communication network distribution system 400 of the sub-stations. (S10), the SI/EPG extraction unit 360 extracts SI/EPG information from the TS stream (S21), generates programming information, and stores and holds it in the programming information storage unit 370 (S22). The program cutout information automatic generation unit 395 searches the program cutout information template database 396 using the program name, distribution day, date and time, genre, etc. obtained from the SI/EPG information as keys, acquires the program cutout information template, and automatically generates the program. Clipping information is generated and registered as program clipping information in the programming information storage section 370 (S23). The operator may optionally set programming information including program segmentation information via the programming control information user interface 390 . The programming information (including IS/EPG) of the main broadcasting station including the program clipping information is supplied to the comparing section 491 of the communication network distribution system 400 of the substation broadcasting station (S24).

Further, in FIG. 7, the TS receiver 420 of the slave station generates TS packets from the IP stream (step S10), the SI/EPG extractor 460 extracts SI/EPG information from the TS stream (S21), The programming information is generated and stored in the programming information storage unit 470 (S22). The comparison unit 491 matches the IS/EPG information in the programming information of the slave broadcasting station with the IS/EPG information in the programming information of the main broadcasting station to identify the same program (S25). For this, the program clipping information of the main broadcasting station is used to generate the program clipping information of the slave broadcasting station (S26). For the program clipping information of other programs, the program clipping information automatic generation unit 495 generates the program clipping information template using the program name, distribution day, date and time, genre, etc. acquired from the SI/EPG information as keys. The database 496 is searched to acquire a program cutout information template, automatically generate program cutout information, and register it as program cutout information in the programming information storage section 470 (S27). The programming control information user interface may be used to cut out other programs and make auxiliary settings.

100 Broadcasting service communication network distribution system 300 Main broadcasting station broadcasting service communication network distribution system 400 Subsidiary broadcasting station broadcasting service communication network distribution system 100A, 300A, 400A Broadcasting station equipment 100B, 300B, 400B Cloud 101, 301, 401 Broadcasting equipment 110, 310, 410 TS transmitters 120, 320, 420 TS receivers 130, 330, 430 Broadcast signal decoding units 140, 340, 440 Program clipping units 150, 350, 450 Moving image file processing management unit 151 Moving image file encoding unit 152 Moving images File storage unit 153 Moving image file distribution units 170, 370, 470 Programming information storage units 180, 380, 480 Browser systems 190, 390, 490 Programming control information user interfaces 195, 395, 495 Program clipping information automatic generation units 196, 396, 496 program clipping information template database 491 comparison unit 800 user device

Claims (11)

A broadcast program moving image file management device for managing a broadcast service moving image stream including video signals and audio signals of a broadcasting service as a clipped moving image file for each program,
Program information acquisition means for acquiring program information derived from SI/EPG;
program clipping information template holding means for holding program clipping information templates;
program cutout information template acquisition means for retrieving a program cutout information template from the program cutout information template holding means based on the SI/EPG-derived program information for a broadcast program;
program clipping means for clipping the broadcast service video stream on a program-by-program basis based on the extracted program clipping information template;
a moving picture file encoding means for encoding the moving picture stream for each program cut out by the program cutting out means into a moving picture file for network distribution;
a moving picture file storage means for storing the moving picture file in a readable manner for each program;
Broadcast program moving picture file management, comprising: moving picture file transmitting means for reading a moving picture file from said moving picture file storage means based on a user's request via a communication network and supplying said moving picture file to a user host via said communication network. Device. 2. The broadcast program moving image file management device according to claim 1, wherein said broadcast service moving image stream is generated from a TS stream of a broadcast signal. 2. The broadcast program moving image file management apparatus according to claim 1, wherein said broadcast service moving image stream is an SDI broadcast signal. A broadcast program moving image file management method for managing a broadcast service moving image stream including video signals and audio signals of a broadcasting service as a clipped moving image file for each program,
A program information acquisition step for acquiring program information derived from SI/EPG;
a program cutout information template acquisition step of extracting a program cutout information template for a broadcast program based on the SI/EPG-derived program information;
a program segmentation step of segmenting the broadcast service video stream for each program based on the extracted program segmentation information template;
a video file encoding step of encoding the video stream for each program extracted by the program extraction step into a video file for network distribution;
a moving picture file storage step of storing the moving picture file readably in a moving picture file storage unit on a program-by-program basis;
and a moving image file transmission step of reading a moving image file from the moving image file storage based on a user request via a communication network and supplying the moving image file to a user host via the communication network. Method. In a broadcast program moving image file management computer program for managing broadcast service moving image streams containing video signals and audio signals of broadcasting services as clipped moving image files for each program,
the processor,
program information acquisition means for acquiring program information derived from SI/EPG;
program clipping information template holding means for holding program clipping information templates;
program cutout information template acquisition means for retrieving a program cutout information template from the program cutout information template holding means based on the SI/EPG-derived program information for a broadcast program;
program clipping means for clipping the broadcast service video stream on a program-by-program basis based on the extracted program clipping information template;
video file encoding means for encoding the video stream for each program extracted by the program extraction means into a video file for network distribution;
a moving picture file storage means for storing the moving picture file in a readable manner for each program; and
Broadcast program moving image file management computer program for operating as moving image file transmission means for reading moving image files from said moving image file storage means based on a user's request via a communication network and supplying them to a user host via said communication network. . In a broadcasting service communication network distribution device for distributing a video file derived from a broadcasting service via a communication network,
Broadcast service video stream acquisition means for acquiring a broadcast service video stream containing video and audio signals of the broadcast service;
Broadcast program clipping means for clipping the broadcast service video stream on a program-by-program basis;
a moving picture file encoding means for encoding a moving picture stream cut out by the broadcast program cut-out means into a moving picture file;
a moving picture file storage means for storing the moving picture file in a readable manner for each program;
a moving picture file transmitting means for reading a moving picture file from the moving picture file storage means based on a user's request via the communication network and supplying the moving picture file to a user host via the communication network;
The broadcast program cutout means is
Program information acquisition means for acquiring program information derived from SI/EPG;
program clipping information template holding means for holding program clipping information templates;
program cutout information template acquisition means for retrieving a program cutout information template from the program cutout information template holding means based on the program information derived from the SI/EPG for a broadcast program;
The broadcast service communication network delivery apparatus, wherein the broadcast program cutout means cuts out the moving picture stream of the broadcast service on a program-by-program basis based on the extracted program cutout information template. In a broadcasting service communication network distribution method for distributing a video file derived from a broadcasting service via a communication network,
a broadcast service video stream acquisition step of acquiring a broadcast service video stream including video and audio signals of the broadcast service;
a broadcast program extraction step of extracting the broadcast service video stream by program;
a video file encoding step of encoding the video stream of each program extracted by the broadcast program extraction step into a video file;
a moving image file storage step of storing the moving image file in a moving image file storage unit so that the moving image file can be read out on a program-by-program basis;
a moving image file transmitting step of reading a moving image file from the moving image file storage unit based on a user request via the communication network and supplying the moving image file to a user host via the communication network;
The above broadcast program extraction step includes:
A program information acquisition step for acquiring program information derived from SI/EPG;
a program clipping information template acquisition step of extracting a program clipping information template from a program clipping information template holding unit that holds program clipping information templates for a broadcast program based on the program information derived from the SI/EPG;
A broadcasting service communication network delivery method, wherein the moving image stream of the broadcasting service is cut out for each program based on the extracted program cutout information template. In a computer program for broadcasting service communication network distribution that distributes video files derived from broadcasting service via a communication network,
the processor,
Broadcast service video stream acquisition means for acquiring a broadcast service video stream containing video and audio signals of the broadcast service;
Broadcast program clipping means for clipping the broadcast service video stream on a program-by-program basis;
video file encoding means for encoding a video stream for each program extracted by the broadcast program extraction means into a video file;
a moving picture file storage means for storing the moving picture file in a readable manner for each program; and
operate as moving picture file transmitting means for reading a moving picture file from the moving picture file storage means based on a user's request via the communication network and supplying the moving picture file to the user host via the communication network;
The broadcast program cutout means is
Program information acquisition means for acquiring program information derived from SI/EPG;
program clipping information template holding means for holding program clipping information templates;
program cutout information template acquisition means for retrieving a program cutout information template from the program cutout information template holding means based on the program information derived from the SI/EPG for a broadcast program;
A computer program for broadcasting service communication network distribution, wherein the broadcast program cut-out means cuts out the moving image stream of the broadcast service for each program based on the extracted program cut-out information template. In a broadcasting service communication network distribution device for a sub-station that broadcasts a broadcast program broadcast by a main broadcasting station as part of the broadcasting service of its own broadcasting station,
program clipping means for clipping a broadcast service video stream containing video signals and audio signals of the broadcasting service of the subordinate broadcasting station on a program-by-program basis based on the program clipping information;
a moving picture file encoding means for encoding the moving picture stream for each program cut out by the program cutting out means into a moving picture file for network distribution;
a moving picture file storage means for storing the moving picture file in a readable manner for each program;
a moving picture file transmitting means for reading a moving picture file from the moving picture file storage means based on a user's request via the communication network and supplying the moving picture file to the user host via the communication network;
Main broadcasting station program information acquisition means for acquiring program information derived from SI/EPG of the main broadcasting station;
a subsidiary broadcasting station program information acquisition means for acquiring program information derived from the SI/EPG of the subsidiary broadcasting station;
The program information derived from the SI/EPG of the main broadcasting station and the program information derived from the SI/EPG of the subordinate broadcasting station are collated, and the broadcast program to be distributed by the subordinate broadcasting station is the one to be distributed by the main broadcasting station. a main broadcasting station broadcast program identification means for identifying correspondence to a predetermined broadcast program,
When the broadcast program to be distributed by the subordinate broadcasting station corresponds to the predetermined broadcast program to be distributed by the main broadcasting station, the program extracting means is adapted for distribution of the predetermined broadcast program of the main broadcasting station. 1. A broadcast service communication network distribution apparatus, wherein prepared program cutout information is used as program cutout information for a specified distribution target broadcast program of a corresponding slave broadcasting station. In a broadcasting service communication network delivery method for a slave broadcasting station that broadcasts a broadcast program broadcast by a master broadcasting station as part of the broadcasting service of its own broadcasting station,
a program clipping step of clipping a broadcast service video stream containing video signals and audio signals of a broadcasting service of the subordinate broadcasting station on a program-by-program basis based on program clipping information;
a video file encoding step of encoding the video stream for each program extracted by the program extraction step into a video file for network distribution;
a moving image file storage step of storing the moving image file in a moving image file storage unit so that the moving image file can be read out on a program-by-program basis;
a moving image file transmission step of reading a moving image file from the moving image file storage unit based on a user request via the communication network and supplying the moving image file to the user host via the communication network;
a main broadcasting station program information acquiring step of acquiring program information derived from the SI/EPG of the main broadcasting station;
a subsidiary broadcasting station program information acquisition step for acquiring program information derived from the SI/EPG of the subsidiary broadcasting station;
The program information derived from the SI/EPG of the main broadcasting station and the program information derived from the SI/EPG of the subordinate broadcasting station are collated, and the broadcast program to be distributed by the subordinate broadcasting station is the one to be distributed by the main broadcasting station. a main broadcasting station broadcast program specifying step for specifying that it corresponds to a predetermined broadcast program;
The program cutout step is for distribution of the predetermined broadcast program of the main broadcasting station when the broadcast program to be distributed by the subordinate broadcasting station corresponds to the predetermined broadcast program to be distributed by the main broadcasting station. A broadcast service communication network delivery method, wherein prepared program clipping information is used as program clipping information for the specified broadcast program to be delivered of the subordinate broadcasting station. In a computer program for broadcasting service communication network distribution for a slave broadcasting station that broadcasts a broadcast program broadcast by a master broadcasting station as part of the broadcasting service of its own broadcasting station,
the processor,
program clipping means for clipping a broadcast service video stream containing video signals and audio signals of the broadcasting service of the subordinate broadcasting station on a program-by-program basis based on the program clipping information;
video file encoding means for encoding the video stream for each program extracted by the program extraction means into a video file for network distribution;
moving image file storage means for storing the moving image file in a readable manner for each program;
moving image file transmitting means for reading a moving image file from the moving image file storage means based on a user's request via the communication network and supplying the moving image file to the user host via the communication network;
main broadcasting station program information acquisition means for acquiring program information derived from SI/EPG of the main broadcasting station;
slave station program information acquisition means for acquiring program information derived from the SI/EPG of the slave station;
The program information derived from the SI/EPG of the main broadcasting station and the program information derived from the SI/EPG of the subordinate broadcasting station are collated, and the broadcast program to be distributed by the subordinate broadcasting station is the one to be distributed by the main broadcasting station. Operate as main broadcasting station broadcast program specifying means for specifying correspondence to a predetermined broadcast program,
When the broadcast program to be distributed by the subordinate broadcasting station corresponds to the predetermined broadcast program to be distributed by the main broadcasting station, the program extracting means is adapted for distribution of the predetermined broadcast program of the main broadcasting station. A computer program for broadcasting service communication network distribution, characterized in that prepared program clipping information is used as program clipping information for the specified distribution target broadcast program of the subordinate broadcasting station.

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