JP2004304429A - Information distributing system, content receiving apparatus usable therefor and broadcast receiving apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a user to view a broadcasted program again. <P>SOLUTION: In an information distributing system 10, a content server 50 maintains the same contents as those of a program broadcasted by a broadcasting station 30, and distributes the contents by streaming via the Internet 20. The broadcasting station 30 broadcasts the URL of the contents by data broadcasting when broadcasting the program. Upon an instruction of the user, a cellular telephone 100 notifies a home server 200 about the URL of the contents corresponding to the program during being viewed. The user can reproduce the contents by accessing the notified URL of the contents by the home server 200 at home. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an information distribution technique, and more particularly to a system for distributing content having the same content as a broadcasted program, a broadcast receiving device usable for the system, and a content receiving device.
[0002]
[Prior art]
Digitalization of terrestrial television broadcasting is imminent, and broadcasting for mobile broadcast receiving apparatuses such as mobile phones and in-vehicle television receivers is also being studied. In the near future, mobile broadcast receivers will become widespread, and it will be possible to easily watch television broadcasts anytime and anywhere, and it is certain that viewing modes will be diversified. As a broadcast for mobiles, a system using one segment out of 13 segments of an OFDM (Orthogonal Frequency Division Multiplexing) transmission system used in terrestrial television broadcasting is being studied. In the transmission method using 13 segments, a high-definition program corresponding to a high-definition receiver is broadcasted. In the transmission method using 1 segment, a program with a reduced screen size is displayed for a small-screen receiving terminal. It will be done.
[0003]
[Patent Document 1]
JP 2001-69479 A
[0004]
[Problems to be solved by the invention]
Since the mobile receiving terminal is designed on the assumption that the user carries the mobile terminal, the display screen is generally small, and the broadcast for the mobile uses a narrow band as described above. High image quality cannot be expected. Therefore, when a user is watching a program broadcasted by the mobile receiving terminal while away from home or the like, it is often conceivable that the user wants to review a high-quality image on a large television at home later.
[0005]
In the case where the broadcast for the mobile unit and the broadcast of the normal 13 segments are broadcasting the same program at the same time, the user can reproduce the program being viewed later by recording it on the recording device at home. You can enjoy. However, if a recording reservation has been made in advance, all programs can be recorded, but if recording is started while watching a program, the part that has been broadcast cannot be recorded, and the entire program is played. I can't. If the contents of the broadcast for mobiles and the contents of the ordinary broadcast are different, a program different from the desired program will be recorded. Digital terrestrial broadcasting is a limited-area broadcast that is broadcast from a transmitting antenna installed on the ground, and the same program is not necessarily broadcast anywhere in Japan. Therefore, for example, even if the user wants to view a program watched later on a travel destination, the receiver at home may not be able to receive the program.
[0006]
The present invention has been made in view of such a situation, and an object of the present invention is to provide a technique that allows a user to view a broadcasted program again. Another object of the present invention is to provide a technique for improving the convenience when viewing a broadcasted program again. Still another object of the present invention is to provide a technique that contributes to spread of a business that enables a user to view a broadcasted program again.
[0007]
[Means for Solving the Problems]
One embodiment of the present invention relates to an information distribution system. The information distribution system includes a content distribution server that distributes, via a network, content having the same content as a program broadcast by a broadcast station, a broadcast receiving device that receives the program, and a content receiving device that receives the content. The content distribution server includes: a content holding unit that holds the content; and a content distribution unit that receives a content distribution request from the content receiving device, and distributes the requested content by streaming through a network. A receiving unit configured to receive a broadcast program, a program reproducing unit configured to reproduce the received program, a first acquiring unit configured to acquire an identifier for uniquely identifying a content on a network from the data broadcast signal, When receiving an instruction to notify the content receiving device of the identifier, An identifier transmitting unit that transmits the content to the content receiving device, wherein the content receiving device obtains the identifier from the broadcast receiving device, and a content that requests the content distribution server to distribute the content using the identifier. It is characterized by including a requesting unit, a content receiving unit for receiving the content, and a content reproducing unit for reproducing the content.
[0008]
The identifier may be a URL (Uniform Resource Locator) for uniquely identifying the content on the Internet. According to such a configuration, the user can view the program watched on the go or the like again at home using a broadcast receiving device such as a portable terminal. In addition, the content can be easily accessed by broadcasting the URL of the content by data broadcasting and notifying the content receiving device at home from the portable terminal that has received the broadcast.
[0009]
The content holding unit holds a plurality of contents prepared for each region for a predetermined program, and the first acquiring unit stores identifiers of the plurality of contents and information on an area corresponding to the contents from the data broadcast signal. The broadcast receiving device acquires, from among a plurality of content identifiers, an identifier of a content corresponding to the region where the content receiving device is provided, and a region information holding unit that holds information regarding the region where the content receiving device is provided. And an identifier transmitting unit, when receiving an instruction to notify the content receiving device of the identifier, the identifier transmitting unit may transmit the identifier selected by the selecting unit to the content receiving device. Good. The content distribution server can be accessed from anywhere in the world via the Internet, but the program also includes information having regional characteristics such as advertisements (CM). With the above configuration, it is possible to distribute information corresponding to the area where the content receiving device is provided. In addition, since advertisements can be distributed according to regions, there are great merits for sponsors, and it can contribute to the spread of the business provided by this system.
[0010]
The content holding unit holds a plurality of contents prepared for each region for a predetermined program, and the first acquiring unit stores identifiers of the plurality of contents and information on an area corresponding to the contents from the data broadcast signal. When receiving the instruction to notify the content receiving device of the identifier, the identifier transmitting unit associates the identifiers of the plurality of contents with the information related to the area, transmits the identifier to the content receiving device, transmits the identifier to the content receiving device, and receives the content. The apparatus includes a region information holding unit that holds information regarding a region where the content receiving device is provided, and a selecting unit that selects, from among a plurality of content identifiers, an identifier of a content corresponding to the region where the content receiving device is provided. And the content requesting unit uses the identifier selected by the selecting unit to transmit the content. It may require the delivery of content to the distribution server. With such a configuration, it is also possible to distribute information corresponding to the area where the content receiving device is provided.
[0011]
The content holding unit holds a content main body having the same content as the main body of the program, and a plurality of additional information prepared for each region, which is added to the content main body. When requesting the distribution, information about the region where the content receiving device is provided is notified, and the content distribution unit adds, to the requested content body, additional information corresponding to the region where the content receiving device is provided. May be delivered. With such a configuration, even a program produced and broadcast by a single broadcast station can be distributed with information having regional characteristics.
[0012]
The additional information is held in an additional information distribution server provided in each region, and the content distribution unit acquires the additional information from the additional information distribution server provided in a region close to the region where the content receiving device is provided, It may be added to the requested content body and distributed. With such a configuration, even for a program produced and broadcast by a single broadcasting station, it is possible to replace a CM produced by an affiliated station provided in each region and distribute it.
[0013]
Another embodiment of the present invention relates to a broadcast receiving device. The broadcast receiving apparatus includes a program receiving unit that receives a broadcasted program, a program reproducing unit that reproduces the received program, and a content receiving unit that receives distribution of a content from a content distribution server that distributes the same content as the program. An acquisition unit for acquiring the identifier from the data broadcast signal to notify the device of an identifier that uniquely identifies the content on the network; and And an identifier transmitting unit for transmitting to the receiving device.
[0014]
Yet another embodiment of the present invention relates to a content receiving device. The content receiving apparatus includes: an acquiring unit that acquires, from a broadcast receiving apparatus that receives a broadcasted program, an identifier that uniquely identifies, on a network, a content having the same content as a program, which is acquired from the data broadcast signal by the broadcast receiving apparatus. And a content requesting unit that requests the content distribution server holding the content to distribute the content using the identifier, a content receiving unit that receives the content, and a content reproducing unit that reproduces the content. I do.
[0015]
It is to be noted that any combination of the above-described components and any conversion of the expression of the present invention between a method, an apparatus, a system, a recording medium, a computer program, and the like are also effective as embodiments of the present invention.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
(First Embodiment)
FIG. 1 shows an overall configuration of an information distribution system 10 according to the first embodiment. In the information distribution system 10, the broadcasting station 30 broadcasts a program and stores an AV stream having the same content as the broadcasted program (hereinafter, also referred to as “content”) in the content server 50. The content server 50 performs streaming distribution of the content via the Internet 20. The user can access the content server 50 from the home server 200, which is an example of the content receiving device, and watch the program again at home, using the mobile phone 100, which is an example of the broadcast receiving device, to view the program on the go. .
[0017]
In the present embodiment, in order to allow easy access to content having the same content as a program watched on mobile phone 100, broadcast station 30 transmits content in a data broadcast in parallel with the broadcast of the program. Broadcast the URL. The mobile phone 100 is configured to be connectable to the Internet 20 via a base station and a connection server of the communication carrier 40, and when an instruction is given from the user via the instruction unit 160 while viewing a program, the mobile phone 100 is being viewed. The URL of the content corresponding to the program is acquired from the broadcast, and is notified to the home server 200 via the Internet 20. By accessing the URL notified from the mobile phone 100, the home server 200 can easily receive the streaming distribution of the content and reproduce the content on the display device 202.
[0018]
The program broadcast by the broadcast station 30 and the content distributed by the content server 50 are AV streams having similar contents, but are not necessarily the same data. The program broadcasted to the mobile phone 100 may have a reduced screen size, a higher compression ratio, and a reduced data amount, for example, for one-segment broadcasting for mobiles. On the other hand, the distributed content may be a high-definition AV stream having a large screen size, assuming that the content is reproduced by a large-screen display device such as a television receiver. When the broadcast station 30 prepares a program and content, the video taken by a camera of the size of a high-definition television or a standard television is reduced in a broadcast for mobile objects, and is stored in a normal broadcast and content server 50. May be encoded with the same size.
[0019]
FIG. 2 is a sequence diagram illustrating an outline of a procedure of a series of processes in the information distribution system 10. The broadcast station 30 broadcasts the program, stores content having the same content as the program in the content server 50, and broadcasts the URL of the content by data broadcasting (S100). The mobile phone 100 receives and reproduces the broadcast program (S102). During viewing of the program, the mobile phone 100 waits for a request for transmission of a URL from the user via the instruction unit 160 (N in S104). When the instruction unit 160 receives the URL transmission instruction (Y in N104), the mobile phone 100 acquires the URL of the program being viewed from the data broadcast (S106), and creates an e-mail including the URL (S108). ), And sends it to home server 200 at home (S110).
[0020]
The home server 200 extracts the URL from the received e-mail (S112), presents a list of the presentation requests from the user (S114), and accepts selection of content to be distributed (S116). Upon receiving the content distribution request from the user, the home server 200 accesses the content server 50 and requests streaming distribution of the content of the URL (S118). The home server 200 receives the streaming distribution of the content (S120) and reproduces it (S122).
[0021]
FIG. 3 shows an internal configuration of the mobile phone 100. This configuration can be realized in hardware by a CPU, a memory, or another LSI of an arbitrary computer, and is realized in software by a program having an image generation function loaded in the memory. The functional blocks realized by their cooperation are drawn. Therefore, it is understood by those skilled in the art that these functional blocks can be realized in various forms by hardware only, software only, or a combination thereof.
[0022]
The mobile phone 100 includes a tuner unit 110 as an example of a program receiving unit that receives a digital broadcast, an A / D converter 112 that converts a broadcast wave into a digital signal, a demultiplexer 114 that separates components, and decodes an AV stream. A decoding unit 116, a D / A conversion unit 118 that converts the decoded digital signal into an analog signal, a playback unit 120 that plays back the converted analog signal, a RAM 130 that holds data obtained from data broadcasting, and a home server 200. Address storage section 140 for storing an e-mail address, transmission content creation section 150 for generating an e-mail to be transmitted to home server 200, transmission section 152 for transmitting the generated e-mail, instruction section 160 for receiving an instruction from a user, and the Internet 20 controls communication with other devices. It includes a communication unit 170.
[0023]
The broadcast wave received by the antenna is selected by the tuner unit 110, converted into a digital signal by the A / D conversion unit 112, and separated into an AV stream and data by the demultiplexing unit 114. The AV stream is decoded by the decoding unit 116, converted into an analog signal by the D / A conversion unit 118, and reproduced by the reproduction unit 120.
[0024]
The data separated by the demultiplexing unit 114 is temporarily stored in the RAM 130. That is, the demultiplexing unit 114 functions as a first acquisition unit. Since the contents of the data broadcast are repeatedly broadcast at regular intervals, the contents can be obtained even if the user starts watching the program from the middle. The data is a collection of digital files in which the above-mentioned URL, browser control information, other text information, graphic information, and the like are filed. With the browser control information, various operations can be performed at the time of starting the browser to display text and graphics, and to communicate with other devices on the communication network. Using this function, the URL of the content may be transmitted to the home server 200. The form of transmission may be electronic mail, URL information may be directly transferred by using a protocol such as Point-to-Point Protocol (PPP), or any other form. In the present embodiment, the URL is transmitted by e-mail.
[0025]
The address storage unit 140 holds the mail address of the home server 200. When transmitting the URL using a protocol such as PPP, the IP address of the home server 200 may be stored in the address storage unit 140. The mail address or the IP address is registered in the address storage unit 140 in advance. When receiving a URL transmission request from the user via the instruction unit 160, the transmission content creation unit 150 acquires the URL of the content from the RAM 130, adds the URL to the body of the e-mail or attached file, and reads the URL from the address storage unit 140. The mail address of the home server 200 is set as the destination. The transmission unit 152 transmits the generated e-mail via the communication unit 170. At this time, the program arrangement information may be acquired from the broadcast wave, and information such as the event name of the program, the event identification, the service name, the service identification, the broadcast start date and time, and the broadcast end date and time may be added.
[0026]
FIG. 4 shows an internal configuration of the home server 200. This configuration can also be realized in various forms by hardware only, software only, or a combination thereof. The home server 200 includes a communication unit 210 that controls communication with another device via the Internet 20, a URL separation unit 220 that extracts a URL from a received e-mail, a URL storage unit 230 that holds the extracted URL, An instruction unit 240 that receives an instruction, a decoding unit 250 that decodes received content, a D / A conversion unit 260 that converts a decoded digital signal into an analog signal, a reproduction unit 270 that reproduces an analog signal, and controls these components. And a control unit 280 for performing dynamic control.
[0027]
The e-mail received via the communication unit 210 is sent to the URL separation unit 220, and the URL separation unit 220 extracts the e-mail in which the URL is described or attached, and extracts the URL. That is, the URL separation unit 220 functions as a second acquisition unit. The extracted URL is stored in the URL storage unit 230. The instruction unit 240 receives a URL list presentation or a content distribution request from the user. When the user requests a URL list presentation via the instruction unit 240, the control unit 280 reads the URL held in the URL storage unit 230 and presents it to the user. At this time, information on the corresponding program may be acquired from the program arrangement information broadcast from the broadcast station 30 and presented. The program information may be obtained from a broadcast wave or from the content server 50. When the URL is stored in the URL storage unit 230, the program information may be acquired and held.
[0028]
When the user selects desired content via the instruction unit 240 and requests distribution, the control unit 280 requests the content server 50 to perform streaming distribution of the selected content. That is, the control unit 280 functions as a content requesting unit. The content received via the communication unit 210 is decoded by the decoding unit 250, converted into an analog signal by the D / A conversion unit 260, and reproduced by the reproduction unit 270.
[0029]
With the above configuration and operation, the URL of the content corresponding to the program watched on the mobile phone 100 is notified to the home server 200, and the home server 200 can access the URL and view the content.
[0030]
(Second embodiment)
FIG. 5 shows an overall configuration of an information distribution system 10 according to the second embodiment. In the information distribution system 10 of the present embodiment, the content is provided according to the area where the home server 200 is located. FIG. 5 illustrates an example in which the same program is broadcast by the broadcasting station 30a and the affiliated station 30b covering different areas. Even if the program to be broadcasted is the same, additional information such as CMs inserted in the program often differs depending on the region. For example, when broadcasting the program stored in the stream server 52a, the broadcasting station 30a reads a CM prepared for the area 1 from the CM server 54a, inserts the CM into the program, and broadcasts the program. When broadcasting the program stored in the stream server 52b, the affiliated station 30b reads a CM prepared for the area 2 from the CM server 54b, inserts the CM into the program, and broadcasts it.
[0031]
In the present embodiment, when the home server 200 receives the distribution of the content, the broadcast station 30a and the affiliated station 30b respectively cover themselves so that the content adapted to the area of the home server 200 can be obtained. The content prepared according to the area is stored in each of the content servers 50a and 50b, and the URL of each content and the information for identifying the area are broadcast by data broadcasting in association with each other. That is, in the example of FIG. 5, the broadcasting stations 30a and 30b broadcast the URL1 of the content for the area 1 and the URL2 of the content for the area 2 by data broadcasting.
[0032]
FIG. 6 shows an internal configuration of a mobile phone 100 according to the second embodiment. The mobile phone 100 according to the second embodiment includes an area storage unit 180 and a selection unit 190 in addition to the configuration of the mobile phone 100 according to the first embodiment illustrated in FIG. The RAM 130 holds the URL 1 of the content for the area 1 and the URL 2 of the content for the area 2 acquired from the data broadcast broadcast from the broadcasting station 30a or 30b. The area storage unit 180 holds information registered in advance for identifying the area where the home server 200 is located. Upon receiving a URL transmission request from the user, the selection unit 190 reads the region identification information where the home server 200 is present from the region storage unit 180, and selects a region corresponding to the region from a plurality of URLs stored in the RAM 130. The URL to be transmitted is selected and sent to the transmission content creation unit 150. For example, when the home server 200 is located in the area 2, the selecting unit 190 selects the URL2 corresponding to the area 2. The transmission content creation unit 150 generates an e-mail including the URL selected by the selection unit 190, and the transmission unit 152 transmits the generated e-mail to the mail address stored in the address storage unit 140.
[0033]
The home server 200 of the present embodiment is similar to the home server 200 of the first embodiment. That is, an e-mail is received from the mobile phone 100, the described URL is extracted and held, and when instructed by the user, the URL is accessed to receive the distribution of the content from the content server 50. In the above example, since the home server 200 is notified of the URL2 of the content for the area 2, the home server 200 receives the streaming distribution of the content from the content server 50b.
[0034]
With the configuration and operation described above, the home server 200 can receive the provision of the content according to the area where the home server 200 is located. Broadcasting stations and program sponsors also have the advantage that information such as advertisements can be provided more effectively by distributing content tailored to the region to users.
[0035]
(Third embodiment)
In the second embodiment, the mobile phone 100 selects the URL of the content according to the area where the home server 200 is located. However, in the third embodiment, the home server 200 selects the URL. The overall configuration of the information distribution system 10 according to the third embodiment is the same as the overall configuration of the information distribution system 10 according to the second embodiment illustrated in FIG. The internal configuration of the mobile phone 100 according to the third embodiment is the same as the internal configuration of the mobile phone 100 according to the first embodiment shown in FIG.
[0036]
The mobile phone 100 acquires the URL of the content prepared for a plurality of regions from the data broadcast and stores the URL in the RAM 130. Upon receiving a URL transmission request from the user via the instruction unit 160, the transmission content creation unit 150 attaches the plurality of URLs stored in the RAM 130 to the e-mail, and the transmission unit 152 transmits the URL to the home server 200. .
[0037]
FIG. 7 shows an internal configuration of a home server 200 according to the third embodiment. The home server 200 according to the third embodiment includes an area storage unit 292 and a selection unit 290 in addition to the configuration of the home server 200 according to the first embodiment illustrated in FIG. The URL separation unit 220 extracts the URL 1 of the content for the area 1 and the URL 2 of the content for the area 2 attached to the e-mail received from the mobile phone 100. The area storage unit 292 holds information registered in advance for identifying the area where the home server 200 is located. The selection unit 290 reads the region identification information where the home server 200 is present from the region storage unit 292, selects a URL corresponding to the region from the plurality of URLs extracted by the URL separation unit 220, and stores the URL in the URL storage unit. 230. For example, when the home server 200 exists in the area 2, the URL 2 corresponding to the area 2 is selected and stored in the URL storage unit 230. Subsequent operations are the same as in the first embodiment. Even with the above configuration and operation, the home server 200 can receive the provision of the content according to the area where the home server 200 is located.
[0038]
(Fourth embodiment)
FIG. 8 shows an overall configuration of an information distribution system 10 according to the fourth embodiment. In the present embodiment, when the content server 50 distributes content, information such as a CM is replaced in accordance with the area of the home server 200 that has requested the distribution. As a result, when a program is broadcasted, even if a program tailored to the region has not been created by the affiliated station, only the CM portion is prepared for each region, and the content tailored to the region is distributed. Can be. In addition, even in a region where a program was not broadcast, a CM suitable for the region can be added to distribute the content.
[0039]
When broadcasting the program, the broadcasting station 30 inserts a CM prepared for the area 1 covered by the broadcasting station 30 into the program and broadcasts it. The broadcasting station 30 stores a content body having the same contents as the program body except for the CM part in the content server 50, and broadcasts the URL as a data broadcast. The broadcast station 30 stores the CM broadcasted by itself in the CM server 54a and, when distributing the content to the home server 200 in another area, distributes the CM adapted to that area. Also prepares CMs for each area and stores them in the CM servers 54b, 54c,.
[0040]
The mobile phone 100 notifies the home server 200 of the URL of the content when there is an instruction from the user while watching the broadcast. When there is a content distribution request from the user, the home server 200 accesses the content server 50 and requests distribution of the content of the URL. At this time, the home server 200 notifies the content server 50 of information identifying its own area. Upon receiving a content distribution request from the home server 200, the content server 50 performs streaming distribution of the requested content. At this time, the CM portion is read from a CM server that holds a CM adapted to a certain area of the home server 200, inserted into the content body, and distributed.
[0041]
In general, a program broadcasted by a single broadcasting station has a lower production cost than a program broadcasted nationwide, and a streaming distribution distributed from the content server 50 requires secondary use of the produced program. Therefore, a business model that is cheaper than the main broadcast is established. Therefore, in this case, it is possible for the broadcasting station to recruit sponsors from all over the country at low advertising cost and prepare commercials. Of the sponsors, the CMs of the sponsors who are well-known nationwide and the CMs of the sponsors for each region may be placed on different servers and distributed while being appropriately replaced. The user may be allowed to select a CM.
[0042]
(Fifth embodiment)
FIG. 9 shows an overall configuration of an information distribution system 10 according to the fifth embodiment. Also in the present embodiment, when the content server 50 distributes a content, information such as a CM is replaced according to an area of the home server 200 which has requested the distribution. In the fourth embodiment, a single broadcasting station that broadcasts a program prepares a CM in each area and distributes the CM according to the area where the home server 200 is located. The affiliated station in charge of preparing a CM suitable for each region. When the content server 50 distributes the content, the content server 50 acquires a CM video from a CM server of an affiliated station in an area where the home server 200 is located, inserts the CM video into the content, and distributes the content.
[0043]
The present invention has been described based on the embodiments. This embodiment is an exemplification, and it is understood by those skilled in the art that various modifications can be made to the combination of each component and each processing process, and that such modifications are also within the scope of the present invention. is there.
[0044]
Various modifications of the configuration of each server and device are conceivable. For example, the content server 50 may be operated by an entity different from the broadcast station, receiving the provision of the content from the broadcast station. Each server may be realized by the same device, or one server may be realized by a plurality of devices.
[0045]
In the embodiment, the URL of the content acquired by the mobile phone 100 is notified to the home server 200 via the Internet 20. However, in another example, when the user returns home, the user can use the mobile phone 100 by using infrared communication or the like. The notification may be sent from the telephone 100 to the home server 200.
[0046]
【The invention's effect】
According to the present invention, it is possible to provide a technique that enables a broadcasted program to be viewed again.
[Brief description of the drawings]
FIG. 1 is a diagram illustrating an overall configuration of an information distribution system according to a first embodiment.
FIG. 2 is a sequence diagram illustrating an outline of a procedure of a series of processes in the information distribution system.
FIG. 3 is a diagram showing an internal configuration of the mobile phone according to the first embodiment.
FIG. 4 is a diagram showing an internal configuration of a home server according to the first embodiment.
FIG. 5 is a diagram illustrating an overall configuration of an information distribution system according to a second embodiment.
FIG. 6 is a diagram illustrating an internal configuration of a mobile phone according to a second embodiment.
FIG. 7 is a diagram showing an internal configuration of a home server according to a third embodiment.
FIG. 8 is a diagram illustrating an overall configuration of an information distribution system according to a fourth embodiment.
FIG. 9 is a diagram illustrating an overall configuration of an information distribution system according to a fifth embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 ... Information distribution system, 50 ... Content server, 54 ... CM server, 100 ... Cellular phone, 110 ... Tuner part, 114 ... Demultiplexing part, 120 ... Reproduction part , 140 ... address storage unit, 150 ... transmission content creation unit, 152 ... transmission unit, 160 ... instruction unit, 180 ... region storage unit, 190 ... selection unit, 200 ... Home server, 220: URL separation unit, 230: URL storage unit, 240: instruction unit, 270: reproduction unit, 280: control unit, 290: selection unit, 292 ..Regional storage unit.

Claims (7)

A content distribution server that distributes, via a network, content having the same content as a program broadcast by a broadcast station;
A broadcast receiving device for receiving the program,
And a content receiving device for receiving the content,
The content distribution server,
A content holding unit that holds the content,
A content distribution unit that receives a content distribution request from the content receiving device, and that distributes the requested content by streaming via the network;
The broadcast receiving device,
A program receiving unit for receiving a broadcast program;
A program playback unit for playing the received program;
A first acquisition unit for acquiring an identifier for uniquely identifying the content on the network from a data broadcast signal;
When receiving an instruction to notify the content receiving device of the identifier, an identifier transmitting unit that transmits the identifier addressed to the content receiving device,
The content receiving device,
A second acquisition unit that acquires the identifier from the broadcast receiving device;
A content requesting unit that requests the content distribution server to distribute the content using the identifier,
A content receiving unit that receives the content,
An information distribution system, comprising: a content reproduction unit that reproduces the content. The content holding unit holds a plurality of contents prepared for each region for a predetermined program,
The first obtaining unit obtains, from a data broadcast signal, identifiers of the plurality of contents and information on an area corresponding to the contents from the data broadcast signal,
The broadcast receiving device,
An area information holding unit that holds information on an area where the content receiving device is provided,
A selection unit that selects, from among the identifiers of the plurality of contents, an identifier of the content corresponding to an area where the content receiving device is provided,
The identifier transmitting unit, when receiving an instruction to notify the content receiving device of the identifier, transmits the identifier selected by the selecting unit to the content receiving device. Information distribution system described in. The content holding unit holds a plurality of contents prepared for each region for a predetermined program,
The first obtaining unit obtains, from a data broadcast signal, identifiers of the plurality of contents and information on an area corresponding to the contents from the data broadcast signal,
The identifier transmitting unit, when receiving an instruction to notify the identifier to the content receiving device, associates the plurality of content identifiers with the information related to the area, and transmits the identifier to the content receiving device. ,
The content receiving device,
An area information holding unit that holds information on an area where the content receiving device is provided,
A selection unit that selects, from among the identifiers of the plurality of contents, an identifier of the content corresponding to an area where the content receiving device is provided,
The information distribution system according to claim 1, wherein the content requesting unit requests the content distribution server to distribute the content using an identifier selected by the selection unit. The content holding unit holds a content main body having the same content as the main body of the program, and a plurality of additional information prepared for each region added to the content main body,
The content requesting unit, when requesting content distribution to the content distribution server, notifies information about the area where the content receiving device is provided,
The information distribution system according to claim 1, wherein the content distribution unit distributes the requested content body by adding additional information corresponding to an area where the content receiving device is provided. The additional information is held in an additional information distribution server provided in each region,
The content distribution unit acquires the additional information from an additional information distribution server provided in an area close to the area where the content receiving device is provided, and adds the additional information to a requested content body and distributes the content. The information distribution system according to claim 4, wherein: A program receiving unit for receiving a broadcast program;
A program playback unit for playing the received program;
In order to notify a content receiving apparatus that receives the distribution of the content from a content distribution server that distributes the content having the same content as the program, an identifier that uniquely identifies the content on the network, the identifier is a data broadcast signal. An acquisition unit for acquiring from
When receiving an instruction to notify the content receiving device of the identifier, an identifier transmitting unit that transmits the identifier addressed to the content receiving device,
A broadcast receiving apparatus comprising: From a broadcast receiving device that receives a broadcasted program, an acquiring unit that acquires an identifier that uniquely identifies a content having the same content as the program on a network, the broadcast receiving device acquires from a data broadcast signal,
Using the identifier, a content requesting unit that requests the content distribution server that holds the content to distribute the content,
A content receiving unit that receives the content,
A content reproducing unit for reproducing the content,
A content receiving apparatus comprising:

Images