JP2012110034A - Program information providing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a program information providing device capable of properly and rapidly providing information for a user to determine which program to view or record.SOLUTION: A program information providing device 10 comprises: a program information acquisition unit 200 for acquiring program information PI from broadcast signals; a related information retrieval unit 300 for selecting retrieval terms from the acquired program information PI of broadcast programs to retrieve program related information PRI concerning the broadcast programs on the Internet by using the retrieval terms as retrieval keys; an information storage unit 500 for storing the program information PI of the broadcast programs and the program related information PRI concerning the broadcast programs; and an information display control unit 600 for outputting the program related information PRI acquired by retrieval performed by the related information retrieval unit 300 as provided information. The related information retrieval unit 300 can select retrieval terms from the program information PI of the past broadcast program and the program related information PRI concerning the past broadcast program which are stored in the information storage unit 500 beforehand.

Description

  The present invention relates to a program information providing apparatus that provides information about a broadcast program to a user (viewer).

  The digital broadcast receiver has a function of extracting program guide information included in a broadcast signal and displaying it on a display device. However, the information displayed is limited to the program title, performer, genre, broadcast time, etc., and the user has a desire to obtain more information about the program. For this reason, an information distribution apparatus that searches for information on the Internet using program guide information included in a broadcast signal and distributes the information to users has been proposed (for example, see Patent Document 1).

  There has also been proposed an information navigation device having a function of grasping a user's preference tendency for a huge amount of digital content, and displaying information that assists the user in selecting content based on this tendency to navigate the user. (For example, refer to Patent Document 2).

JP 2002-368704 A (paragraphs 0009, 0012, FIG. 2) Japanese Patent Laying-Open No. 2005-18269 (paragraph 0020, FIG. 1)

  However, the information regarding the broadcast program provided by the above-described conventional apparatus often does not sufficiently include information that the user desires, and it is difficult for the user to appropriately determine what program the user wants to view or record. There is a problem that.

  In addition, since it is possible to record and store a large amount of broadcast programs by increasing the capacity of the hard disk drive (HDD), it is possible for the user to quickly find a program that the user wants to watch from the stored programs. There is also the problem that it is difficult.

  Therefore, the present invention has been made to solve the above-described problems of the prior art, and its purpose is to provide information for determining a program that a user desires to view or record appropriately and quickly. An object of the present invention is to provide an apparatus for providing program information.

  The program information providing apparatus according to the present invention is a program information acquisition unit that acquires the program information from an input of a broadcast signal including program information of the broadcast program, and a search from the program information of the broadcast program acquired by the program information acquisition unit Select a term and use this search term as a search key to search for program-related information related to the broadcast program on the Internet, and store program information about the broadcast program and program-related information related to the broadcast program And an information display control unit that outputs the program related information obtained by the search of the related information search unit as provided information. The related information search unit is stored in the information storage unit in advance. In addition, a search term can be selected from program information of a past broadcast program and program-related information related to the past broadcast program.

  According to the program information providing apparatus of the present invention, it is possible to obtain an effect that information for determining a program that a user desires to view or record can be provided appropriately and quickly.

It is a block diagram which shows the structure of the program information provision apparatus which concerns on Embodiment 1 and Embodiment 2, 4, and 5 of this invention. It is a block diagram which shows the structure of the relevant-information search part of the program information provision apparatus which concerns on Embodiment 2 of this invention. It is a block diagram which shows the structure of the program information provision apparatus which concerns on Embodiment 3 and Embodiment 2, 4, 5 of this invention. It is a block diagram which shows the structure of the relevant-information search part of the program information provision apparatus which concerns on Embodiment 4 of this invention. It is a block diagram which shows the structure of the program information acquisition part of the program information provision apparatus which concerns on Embodiment 5 of this invention. It is a block diagram which shows the structure of the program information provision apparatus which concerns on Embodiment 6 and Embodiment 2, 4, and 5 of this invention.

Embodiment 1 FIG.
FIG. 1 is a block diagram showing a configuration of a program information providing apparatus 10 (an apparatus that implements a program information providing method) according to Embodiment 1 of the present invention. The configuration of the program information providing apparatus 10 in FIG. 1 is also applicable to the program information providing apparatus according to the second, fourth, and fifth embodiments described later. The program information providing apparatus of the present invention can be applied to, for example, a digital broadcast recording / reproducing apparatus such as a digital broadcast receiver, an HDD recorder or a digital versatile disc (DVD) recorder, or a digital television.

  A program information providing apparatus 10 shown in FIG. 1 receives a broadcast signal including program information PI of a broadcast program, selects and outputs a broadcast signal, and a broadcast signal output from the digital broadcast receiver 100. Is input, and a program information acquisition unit 200 (in the fifth embodiment described later, reference numeral 201 is used) that acquires (extracts) program information PI from the input broadcast signal, and acquisition of past broadcast programs And an information storage unit 500 such as an HDD, DVD, or semiconductor memory for storing information. Further, the program information providing apparatus 10 according to the first embodiment is connected to the Internet 400, acquired by the program information acquisition unit 200, and the information storage unit 500 using the program information PI of the broadcast program specified as a search target by the user. A related information search unit 300 that acquires program related information PRI related to a broadcast program designated as a search target by performing a search on the Internet and on the Internet 400 (reference numeral 301 is used in the fourth embodiment to be described later). And a program information display control unit 600 for outputting provided information based on the program information PI and the program related information PRI of the broadcast program designated as the search target to the display device.

  For example, if the program information PI is “Torino Olympic” and the search key is “Torino Olympic”, the program-related information PRI includes a program related to Torino Olympics, a site of related information, and the like. The program-related information PRI includes, for example, a program related to the Olympics and a site of related information when the program information PI is “Torino Olympic” and the search key is “Olympic”. Furthermore, the program related information PRI includes, for example, a program related to Turin and a site of related information when the program information PI is “Torino Olympic” and the search key is “Torino”.

  The provided information displayed on the display device includes program information PI and program related information PRI. The program information PI that is provided information includes the title of the program (for example, “Torino Olympic opening ceremony”, etc.), the broadcast date and time of the program, the broadcast channel of the program, and performers such as the host and guest. Among the program-related information PRI that is provided information, those searched on the Internet 400 include, for example, URL information of the official site of the Olympic Committee, URL information of a news agency site that provides Torino Olympic information, and the like. included. Furthermore, among the program-related information PRI that is provided information, information searched in the information storage unit 500 includes a list of recorded broadcast programs related to the Torino Olympics.

  FIG. 1 shows a case where the program information providing apparatus 10 is a digital broadcast receiver. However, when the program information providing apparatus 10 is a digital broadcast recording / reproducing apparatus, the information storage unit 500 also stores video / audio data. When the program information providing apparatus 10 is a digital television, the program information providing apparatus 10 includes a display device as a configuration. When a broadcast signal from another digital broadcast receiver (not shown) is input to the program information acquisition unit 200, the program information providing apparatus 10 does not include the digital broadcast reception unit 100. Can do.

  Next, the operation of the program information providing apparatus 10 according to the first embodiment will be described. For example, a digital broadcast signal received by an antenna (not shown) or sent via a line is input to the digital broadcast receiving unit 100. Receivable digital broadcast signals include broadcast signals such as terrestrial digital broadcast, BS digital broadcast, and CS digital broadcast, and also include broadcast signals received via a communication network such as the Internet. Any transmission path may be used. A broadcast signal (hereinafter also referred to as “received data”) input to the digital broadcast receiving unit 100 is input to the program information acquiring unit 200, and the program information acquiring unit 200 extracts program information PI from the received data. Data taken out as program information PI is program guide information (SI: Service Information) in “Program Arrangement Information Used for Digital Broadcasting” (ARIB STB-B10) standardized by the Radio Industry Association (ARIB) for digital broadcasting. In addition to program information sent along with programs such as ARIB standardized metadata (ARIB STD-B38), it also includes information collected from program content data itself such as caption information, audio information, and video information. . The information storage unit 500 stores acquired information PI0 and PRI0 regarding past broadcast programs that the user has viewed or recorded in the past.

  The related information search unit 300 includes program information PI (for example, program data provided by the program provider, data transmitted along with the program) of the broadcast program specified as the search target acquired by the program information acquisition unit 200. Search term (which may be a group of terms consisting of a plurality of terms) that is strongly related to the program is selected on the Internet 400 (for example, in the Internet 400). The program related information PRI related to the search key (that is, information related to the program information PI) is obtained from the information distribution device 410). The information distribution apparatus 410 is an apparatus that stores information on a digital broadcast program and can search program information and metadata of the program or a program other than the program, but stores general information. There may be. Further, a program related to the program information and program information associated with the related program are acquired from the information storage unit 500 using the search term as a search key. As described above, the information acquired by the search on the Internet 400 using the search term as a search key and the information acquired by the search in the information storage unit 500 are obtained from the related information search unit 300 as the program related information PRI. Is output.

  In the above description, the case where the search term selected from the program information PI obtained from the digital broadcast receiving unit 100 through the program information acquisition unit 200 is used as the search key has been described. You may use the term for search selected from the acquisition information PI0, PRI0 about the past broadcast program stored in the information storage part 500. FIG. In this case, a search term selected from the program information PI0 and the program related information PRI0 related to the program stored in the information storage unit 500 by recording is used as a search key, so that more detailed program information can be searched for related information. Output from the unit 300.

  In addition, when the program related information PRI0 output from the related information search unit 300 is stored in the information storage unit 500, it is stored in the information storage unit 500 when searching using the same search term again. The program related information PRI0 made can be used. The program related information PRI0 stored in the information storage unit 500 can be used as program related information of the recorded program when the program is recorded. As described above, when a search is performed using information stored in the information storage unit 500, the user can quickly obtain information for determining a program desired to be viewed or recorded.

  The program information display control unit 600 includes the program information PI obtained by the program information acquisition unit 200 and the program related information PRI obtained by the related information search unit 300 (program information PI0 of past programs accumulated in the information accumulation unit 500). And the program related information PRI0) are output to the display device, and the display device presents the information to the user in an integrated manner.

  As described above, according to the program information providing apparatus 10 according to the first embodiment, in addition to the program information PI included in the broadcast signal, the information storage apparatus 500 using the program information PI and the Internet 400 are used. Since the program related information PRI acquired by the search can be provided to the user as provided information, the user can appropriately and quickly obtain information for determining a program desired to be viewed or recorded. In particular, since not only the program information PI0 related to the program accumulated by recording but also the accumulated program-related information PRI0 can be presented, the user determines whether to view the program accumulated by recording. It becomes easy. Further, by storing the program related information PRI0 in the information storage unit 500, the time until the program related information is presented can be shortened, so that the related information of the recorded program can be presented immediately.

Embodiment 2. FIG.
FIG. 2 is a block diagram showing the configuration of the related information search unit 300 of the program information providing apparatus according to Embodiment 2 of the present invention. The configuration of the program information providing apparatus according to the second embodiment is the same as that of the program information providing apparatus 10 according to the first embodiment shown in FIG. 1 except that the configuration of the related information search unit 300 is defined ( Or the configuration of the program information providing apparatuses 30 and 60 according to the third and sixth embodiments shown in FIGS. 3 and 6, respectively. In the description of the second embodiment, FIG. 1 is also referred to.

  As shown in FIG. 2, the related information search unit 300 includes a relationship extraction unit 311 that extracts word related information indicating a relationship between words from words included in the program information acquired by the program information acquisition unit 200, and a program A syntax extraction unit 312 that extracts sentence syntax information from a sentence included in program information acquired by the information acquisition unit 200, and infers a search term based on the extracted word-related information and syntax information. And an inference unit 313 for outputting the term PIT. The relation extraction unit 311, the syntax extraction unit 312, and the inference unit 313 constitute a semantic analysis unit 310. The related information search unit 300 includes a search unit 320 that performs a search for acquiring the program related information PRI in the information storage unit 500 and on the Internet 400 using the search term PIT as a search key.

  Next, the operation of the second embodiment will be described. In the first embodiment, the method for selecting a search term in the related information search unit 300 is not limited. However, in the second embodiment, the method for selecting a search term in the related information search unit 300. A method of performing semantic analysis on program information data is adopted.

  First, the operation of the semantic analysis unit 310 will be described. Program information PI included in the broadcast signal from the program provider is input from the program information acquisition unit 200 to the related extraction unit 311 and the syntax extraction unit 312. The input program information PI includes, for example, a sentence explaining the program, a word representing a genre indicating the type of the program, a sentence acquired from subtitles, and the like. The relationship extraction unit 311 extracts words / phrases from the input program information PI and detects the relationship between the extracted words / phrases. Here, the relationship between phrases means a relationship such as parent-child, sibling, comprehension, synonym, and the like. The association is expressed by, for example, a tree structure. On the other hand, the syntax extraction unit 312 analyzes the syntax of the text of the input program information PI. The syntax extraction unit 312 determines the category of each term in the sentence (for example, a real thing, a relationship, a role, a property, an event, an expression, etc.) from the result of the analysis, and outputs a category structure.

  The inference unit 313 uses the related information between words in the program information output from the related extraction unit 311 to infer a superordinate concept of the semantic content of the program information itself. Also, the inference unit 313 uses the term categories output from the syntax extraction unit 312 to infer the importance of the categories. Further, the inference unit 313 selects a term to be used for the search from the term data inferred based on the relation and the category, and outputs it as a search term PIT.

  Next, the operation of the search unit 320 will be described. The search unit 320 searches the Internet 400 and in the information storage unit 500 using the search term PIT input from the semantic analysis unit 310 as a search key, and acquires program-related information PRI related to the search key. For example, when the search key is “Torino Olympics”, a program related to Torino Olympics, a site of related information, and the like are obtained as the program related information PRI.

  As described above, according to the program information providing apparatus according to the second embodiment, in the information storage apparatus 500 and the Internet 400 using the program information PI in addition to the program information PI included in the broadcast signal. Since the program-related information PRI acquired by the above can also be provided to the user as provision information, the user can obtain information for determining a program desired to be viewed or recorded appropriately and quickly. In addition, by using a search term selected from the relation of words included in the program information PI and the sentence syntax as a search key, it is possible to acquire program-related information with high accuracy.

Embodiment 3 FIG.
FIG. 3 is a block diagram showing a configuration of program information providing apparatus 30 according to Embodiment 3 of the present invention. The configuration of the program information providing device 30 in FIG. 3 is also a configuration applicable to the program information providing device according to the second, fourth, and fifth embodiments. 3, the same reference numerals are given to the same or corresponding components as those in FIG.

  In the program information providing apparatus 30 according to the third embodiment, the program information PI acquired by the program information acquisition unit 200 and the program related information PRI acquired by the related information search unit 300 are input, and the program information PI and the program related The provision of program information according to the first embodiment described above includes the meaning relation determination unit 700 that determines the relevance between information and PRI and selects information to be input to the program information display control unit 600 based on the determination result. Different from the device 10. Therefore, in the first embodiment, the case has been described in which the program information PI output from the program information acquisition unit 200 and the program related information PRI output from the related information search unit 300 are all displayed on the display device. In the third embodiment, after examining the relationship between these two types of information, data related to each other is presented to the user. Except for this point, the program information providing apparatus 30 according to the third embodiment is the same as the program information providing apparatus 10 according to the first embodiment.

  Next, the operation of the program information providing apparatus 30 according to the third embodiment will be described. The semantic relevance determination unit 700 determines the relevance between the program related information PRI output from the related information search unit 300 and the program information PI output from the program information acquisition unit 200, and the determined relevance is related information search unit. It is used as the probability of the information obtained in 300, and related information is further selected based on the level of relevance. For example, it is determined that the relevance between the program information PI and the program related information PRI is high (for example, an index having a larger value is used as the relevance is higher, and this index exceeds a reference level). The program information display control unit 600 causes the display device to display information based on the selected program information PI1 and the program related information PRI1.

  The level of relevance between the program information PI and the program related information PRI is determined as follows, for example. When the program information PI is “Torino Olympics” and the program related information PRI is a program related to Torino Olympics or a related information site, both the program information PI and the program related information PRI are “Torino Olympics”. Since the data is included, it can be determined that the relevance is high. On the other hand, the program information PI is “Torino Olympics” and the program related information PRI is a site of programs and related information related to the city of Turin, and the data “Turin Olympics” is included in the program related information PRI. If not, it can be determined that the relevance is low. In addition, when the program information PI is “Torino Olympics” and the program related information PRI is a program or related information site related to the Olympics, the program related information PRI does not include the data “Torino Olympics”. Can be determined to be less relevant.

  As described above, according to the program information providing apparatus 30 according to the third embodiment, in addition to the program information PI1 included in the broadcast signal, the information storage apparatus 500 using the program information PI1 and the Internet 400 are used. Since the program related information PRI1 acquired by the search can also be provided to the user as provided information, the user can appropriately and quickly obtain information for determining a program desired to be viewed or recorded. In particular, by determining the relationship between the program related information PRI obtained by the search and the original program information PI, the user can acquire the program related information with high accuracy.

Embodiment 4 FIG.
FIG. 4 is a block diagram showing a configuration of the related information search unit 301 of the program information providing apparatus according to Embodiment 4 of the present invention. The configuration of the program information providing apparatus according to the fourth embodiment is the same as that of the program information providing apparatus 10 according to the first embodiment shown in FIG. 1 except that the configuration of the related information search unit 301 is defined ( Or the configuration of the program information providing apparatuses 30 and 60 according to the third and sixth embodiments shown in FIGS. 3 and 6, respectively. In FIG. 4, the same or corresponding components as those in FIG. In the description of the fourth embodiment, FIG. 1 and FIG. 2 are also referred to.

  As shown in FIG. 4, the related information search unit 301 provides data to the semantic analysis unit 310, the search unit 320, and the semantic analysis unit 310, and also stores the data from the semantic analysis unit 310. And a providing unit 330. In the second embodiment, the case where the semantic analysis is performed for each search has been described. However, in the fourth embodiment, an apparatus that performs the semantic analysis using a knowledge scheme stored in advance will be described. Except for this point, the program information providing apparatus according to the fourth embodiment is the same as the program information providing apparatus according to the second embodiment.

  Next, the operation of the program information providing apparatus according to the fourth embodiment will be described. In the knowledge scheme providing unit 330, for example, information on the relation between words that is output as an analysis result from the relationship extraction unit 311, information on the category structure derived from the processing in the syntax extraction unit 312, and the like as a knowledge scheme in advance. Store it. The semantic analysis unit 310 performs semantic analysis by checking compatibility between the knowledge scheme output from the knowledge scheme providing unit 330 and the input program information PI.

  In addition, the knowledge scheme stored in the knowledge scheme providing unit 330 is added and changed using a processing method in which the knowledge scheme created by the semantic analysis in the semantic analyzing unit 310 is stored in the knowledge scheme providing unit 330.

  As described above, according to the program information providing apparatus according to the fourth embodiment, in the information storage apparatus 500 and the Internet 400 using the program information PI in addition to the program information PI included in the broadcast signal. Since the program-related information PRI acquired by the above can also be provided to the user as provision information, the user can obtain information for determining a program desired to be viewed or recorded appropriately and quickly. In particular, by performing semantic analysis using a knowledge scheme prepared in advance, it is possible to reduce the system load when the program information providing apparatus according to the fourth embodiment performs processing for providing information related to broadcast programs. The amount of modules, the amount of memory, and the CPU load of the system constituting the program information providing apparatus can be reduced. For this reason, the system builder can reduce resources, reduce the search time, and shorten the time until information is presented to the user, contributing to the improvement of user convenience. be able to.

  Further, according to the program information providing apparatus according to the fourth embodiment, the knowledge scheme stored in the knowledge scheme providing unit 330 can be added and changed using the result of the semantic analysis by the semantic analyzing unit 310. Analysis with higher accuracy can be performed in a short processing time, and the time until information is presented to the user can be shortened.

Embodiment 5 FIG.
FIG. 5 is a block diagram showing the configuration of the program information acquisition unit 201 of the program information providing apparatus according to Embodiment 5 of the present invention. The configuration of the program information providing apparatus according to the fifth embodiment is the same as that of the program information providing apparatus 10 according to the first embodiment shown in FIG. 1 except that the configuration of the program information acquisition unit 201 is defined (see FIG. 1). Or the configuration of the program information providing apparatuses 30 and 60 according to the third and sixth embodiments shown in FIGS. 3 and 6, respectively. In the description of the fifth embodiment, FIG. 1 is also referred to.

  As shown in FIG. 5, the program information acquisition unit 201 includes an audio information acquisition unit 211 that acquires audio information included in a broadcast signal, a subtitle information acquisition unit 212 that acquires subtitle information included in the broadcast signal, and a subtitle. A specific scene subtitle information acquisition unit 221 that acquires subtitle information of a specific scene specified based on audio information from the subtitle information acquired by the information acquisition unit 212 and outputs the acquired information as program information PI. The audio information acquisition unit 211 and the caption information acquisition unit 212 constitute a reception information acquisition unit 210. The specific scene information acquisition unit 221 constitutes a specific information acquisition unit 220. In Embodiment 1, although the system which does not specify about the information acquired by the program information acquisition part 200 was demonstrated, the system which acquires the program information of a specific scene using audio | voice information and subtitle information is demonstrated.

  Next, the operation of the program information providing apparatus according to the fifth embodiment will be described. The program information acquisition unit 201 operates with the processing functions of the reception information acquisition unit 210 and the specific information acquisition unit 220. The reception information acquisition unit 210 has a function of acquiring information included in the reception information by item. The specific information acquisition unit 220 has a function of selecting only specific information by combining the information group acquired by the reception information acquisition unit 210.

  The audio information acquisition unit 211 extracts the audio information from the received data, and detects information about which time zone the specific scene has occurred using, for example, an audio frequency pattern. The specific scene includes, for example, a scene that swells in a program, a soccer goal scene, a scene in which music such as a music program flows, and the like. The caption information acquisition unit 212 acquires the caption information included in the program as text. At this time, the text acquired from the subtitle is also acquired in which time zone of the program is displayed.

  These two types of data are input to the specific scene subtitle information acquisition unit 221. The specific scene subtitle information acquisition unit 221 compares two types of data, detects subtitle information flowing in a specific time zone, and outputs it as program information. The data output from the specific scene caption information acquisition unit 221 is used as program information PI, and the program related information PRI is searched based on the program information PI.

  As described above, according to the program information providing apparatus according to the fifth embodiment, in the information storage apparatus 500 and the Internet 400 using the program information PI in addition to the program information PI included in the broadcast signal. Since the program-related information PRI acquired by the above can also be provided to the user as provision information, the user can obtain information for determining a program desired to be viewed or recorded appropriately and quickly. In particular, the program related information PRI related to the specific scene can be obtained by detecting the specific scene from the audio information and using the caption of the specific scene portion as the program information. The program related information PRI can be provided in consideration of (i.e., with careful consideration).

Embodiment 6 FIG.
FIG. 6 is a block diagram showing a configuration of a program information providing apparatus 60 according to Embodiment 6 of the present invention. The configuration of the program information providing device 60 in FIG. 6 is also a configuration applicable to the program information providing device according to the second, fourth, and fifth embodiments. In FIG. 6, the same or corresponding components as those in FIG.

  The program information providing apparatus 60 according to the sixth embodiment includes a reference information storage unit 900 that stores reference information R including at least one of viewing history, recording history, and information about users, reference information R, and program information PI. And the recommended program extraction unit 800 for selecting information to be input to the program information display control unit 600 based on the comparison result with the program related information PRI, the program information providing apparatus 10 according to the first embodiment. Is different. In the program information providing apparatus 10 according to the first embodiment, the case where the program information PI and the program related information PRI are directly output to the display device via the program information display control unit 600 has been described. In the program information providing apparatus 60, a case will be described in which information related to a program is presented to the user in consideration of the degree of recommendation to the user of the program. Except for this point, the program information providing apparatus 60 according to the sixth embodiment is the same as the program information providing apparatus 10 according to the first embodiment.

  Next, the operation of the program information providing apparatus 60 according to the sixth embodiment will be described. The reference information storage unit 900 stores, for example, a viewing history and a recording history indicating which program and what type of program was viewed or recorded, for example, the user. User information such as age, gender, and preference is stored. The recommended program extracting unit 800 selects a recommended program based on the result of checking the matching degree between the reference information R such as viewing history and / or user information, and the program information PI and / or the program related information PRI. Information indicating a recommended program is added, and information is provided to the display device via the program information display control unit 600. The display device displays information indicating the recommendation level in addition to the program information and the program related information.

  As described above, according to the program information providing apparatus 30 according to the sixth embodiment, in the information storage apparatus 500 and the Internet 400 using program information in addition to the program information PI included in the broadcast signal. Since the program-related information PRI acquired by the above can also be provided to the user as provision information, the user can obtain information for determining a program desired to be viewed or recorded appropriately and quickly. In particular, since the recommendation level can be presented to the user as the program-related information, the user can easily determine whether to watch the program or to perform scheduled recording.

  It is also possible to combine the configurations of the program information providing apparatuses according to the first to sixth embodiments (for example, when the meaning-related determining unit in FIG. 3 is added to FIG. 6).

  10, 30, 60 Program information providing apparatus, 100 digital broadcast receiving unit, 200, 201 program information acquiring unit, 210 received information acquiring unit, 211 audio information acquiring unit, 212 subtitle information acquiring unit, 220 specific information acquiring unit, 221 specifying Scene subtitle information acquisition unit, 300, 301 related information search unit, 310 semantic analysis unit, 311 related extraction unit, 312 syntax extraction unit, 313 reasoning unit, 320 search unit, 330 knowledge scheme providing unit, 400 Internet, 410 information distribution device , 500 information storage unit, 600 program information display control unit, 700 meaning related determination unit, 800 recommended program extraction unit, 900 reference information storage unit.

Claims (4)

A program information acquisition unit for acquiring the program information from an input of a broadcast signal including program information of the broadcast program;
A related information search unit that selects a search term from the program information of the broadcast program acquired by the program information acquisition unit, and searches for program related information regarding the broadcast program on the Internet using the search term as a search key; ,
An information storage unit for storing program information of the broadcast program and program-related information related to the broadcast program;
A program information providing apparatus comprising: an information display control unit that outputs program related information obtained by the search of the related information search unit as provided information,
The related information search unit
An apparatus for providing program information, wherein a search term can be selected from program information of a past broadcast program stored in the information storage unit in advance and program related information related to the past broadcast program. The related information search unit
Extracting phrase related information indicating the relationship between phrases from the phrases included in the program information, extracting syntax information of sentences from sentences included in the program information, and based on the extracted phrase related information and the syntax information A semantic analysis unit for inferring a search term and outputting the search term;
The program information providing apparatus according to claim 1, further comprising: a search unit that performs a search for acquiring program-related information on the Internet using the search term output from the semantic analysis unit as a search key. . The related information search unit
A knowledge scheme providing unit for accumulating knowledge schemes including phrase-related information and syntax information extracted in the past by the semantic analysis unit;
The program information providing apparatus according to claim 2, wherein the semantic analysis by the semantic analysis unit is performed using a knowledge scheme stored in the knowledge scheme providing unit. The program information acquisition unit
An audio information acquisition unit for acquiring audio information included in the broadcast signal;
Subtitle information acquisition unit for acquiring subtitle information included in the broadcast signal;
A specific scene subtitle information acquisition unit that acquires subtitle information of a specific scene specified based on the audio information from the subtitle information acquired by the subtitle information acquisition unit;
The program information providing apparatus according to any one of claims 1 to 3, wherein the program information output from the program information acquisition unit is subtitle information of the specific scene.

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