JP2007166067A - Contents searching apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a contents searching apparatus capable of searching contents without the need for setting a searching condition from contents stored in a storage device. <P>SOLUTION: The contents searching apparatus 1 searches contents whose keyword is included in attribute information representing the attribute of the contents from the contents stored in a contents storage means 10, wherein a keyword extract means 12 extracts the keyword from electronic program guide information received by an electronic program guide acquisition means 7 via a communication apparatus 4. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a content search apparatus that searches for content based on content attribute information.

A conventional content search apparatus generates information representing a program guide distributed from broadcast media and attribute information of content recorded on a recording medium as integrated index information. When a search condition such as a sub-genre and a broadcast date / time range is set, content corresponding to index information that satisfies the set search condition is searched (for example, see Patent Document 1).
JP 2002-57966 A

  However, in the conventional content search apparatus, it is necessary to set search conditions even when the content that the user wants to view is not clear.

  The present invention has been made to solve the conventional problems, and an object of the present invention is to provide a content search apparatus capable of searching for content without setting search conditions.

  The content search device of the present invention is a content search device that searches content stored in a storage device for content including a keyword in the attribute information of the content, from the electronic program information received by the electronic program information receiving device. It is comprised so that the keyword extraction means to extract a keyword may be provided.

  With this configuration, the content search device according to the present invention searches the content stored in the storage device for the content including the keyword related to the latest broadcast program in the attribute information, so it is not necessary to set the search condition. It is possible to search for topical content related to a recent broadcast program.

  In addition, the keyword extracting unit obtains an estimated arrival time to arrive at a route search destination from a route search device, and a program that is broadcast within a period from the current time to the estimated arrival time in the electronic program information. It may be configured to select a keyword and extract the keyword from the selected electronic program information.

  With this configuration, the content search device of the present invention searches the content stored in the storage device for content including keywords related to the program broadcast within the travel time in the attribute information. It is possible to search for content having a topicality related to a program broadcast within the travel time.

  The keyword extracting means may be configured to extract a name of a performer appearing in a program from the electronic program information as the keyword.

  With this configuration, the content search device of the present invention searches for content in which the name of a performer appearing in a broadcast program is included in the attribute information from the content stored in the storage device, so that it is not necessary to set search conditions. It is possible to search for content related to performers with topicality.

  Moreover, the content search apparatus of this invention may be comprised so that the said memory | storage device may be connected externally and the content acquisition means which acquires the said content from the said memory | storage device may be provided.

  With this configuration, the content search device of the present invention can search for topical content from content stored in an externally connected storage device without requiring setting of search conditions.

  The present invention provides a content search apparatus having an effect that content can be searched without setting search conditions.

  Embodiments of the present invention will be described below with reference to the drawings.

(First embodiment)
A content search apparatus according to a first embodiment of the present invention is shown in FIG.

  In FIG. 1, a content search device 1 includes a main controller 2 that controls the entire device, an input device 3 that receives an instruction from a user, a communication device 4 that performs communication for obtaining electronic program information, An audio output device 5 that outputs audio and a display device 6 that displays video are provided.

  In addition, the content search apparatus 1 includes an electronic program information acquisition unit 7 that acquires electronic program information, an electronic program information storage unit 8 that stores electronic program information, and a content storage unit 10 that stores content such as video and music. Attribute information storage means 11 for storing attribute information representing content attributes, keyword extraction means 12 for extracting keywords, playlist generation means 13 for generating a list of contents to be reproduced, and content reproduction means for reproducing contents 14.

  The electronic program information acquisition means 7 is constituted by, for example, an electronic program information receiving device, and acquires the latest electronic program information via the communication device 4. Here, as long as the communication device 4 performs communication for acquiring electronic program information, the communication device 4 may receive broadcast radio waves or may be connected to the Internet network. For example, when receiving digital terrestrial broadcast electronic program information, the communication device 4 includes an antenna corresponding to terrestrial digital broadcast and a tuner capable of receiving terrestrial digital broadcast.

  The electronic program information storage unit 8 is configured by a non-volatile storage medium such as a hard disk device or a flash memory, and stores electronic program information acquired by the electronic program information acquisition unit 7 and information indicating an acquisition date. .

  Here, the electronic program information is composed of a collection of program information 20 representing information for each program, as shown in FIG. 2, for example. The program information 20 includes information representing the channel 21, broadcast start date 22, broadcast end date 23, program title 24, program genre 25, program content 26, and performer 27. Moreover, the information showing the performer 27 is comprised by the arrangement | sequence of a performer name.

  The content storage unit 10 and the attribute information storage unit 11 are configured by a storage medium such as a large-capacity hard disk device, for example.

  The attribute information storage unit 11 stores attribute information representing the attributes of the content stored in the content storage unit 10. Further, the attribute information stored in the attribute information storage means 11 is updated in accordance with the update of the content.

  The keyword extraction unit 12, the playlist generation unit 13, and the content reproduction unit 14 are configured by, for example, a CPU (Central Processing Unit) that executes a program.

  The keyword extraction means 12 extracts keywords from the electronic program information stored in the electronic program information storage means 8, and generates a keyword list as the extracted keyword list.

  The playlist generation unit 13 generates a playlist in which information indicating the storage location of the content reproduced by the content reproduction unit 14 is arranged according to the reproduction order.

  The operation of the content search apparatus 1 configured as described above will be described with reference to FIG.

  First, a program genre is input via the input device 3 (S31).

  Next, whether or not electronic program information is stored in the electronic program information storage means 8 is determined by the keyword extraction means 12 (S32).

  If it is determined in step S32 that the electronic program information is stored, the keyword extracting unit 12 determines whether the acquisition date of the electronic program information is the current date (S33).

  If it is determined in step S32 that electronic program information is not stored in the electronic program information storage unit 8, or the acquisition date of the electronic program information stored in the electronic program information storage unit 8 is the current date in step S33. If it is determined that it is not a date, the latest electronic program information is acquired by the electronic program information acquisition means 7 and stored in the electronic program information storage means 8 (S34).

  When it is determined in step S33 that the acquisition date of the electronic program information stored in the electronic program information storage unit 8 is the current date, or when the latest electronic program information is acquired in step S34, Steps S35 to S38 described below are repeatedly executed for each program information 20 included in the electronic program information.

  Here, first, whether or not the program represented by the program information 20 is broadcast on that day is determined by the keyword extracting unit 12 based on the broadcast start date 22 and the broadcast end date 23 included in the program information 20. (S35).

  If it is determined in step S35 that the program represented by the program information 20 is broadcast on the day, whether or not the program genre 25 included in the program information 20 matches the program genre input in step S31 is determined. It is judged by the keyword extraction means 12 (S36).

  If it is determined in step S36 that the program genre 25 matches the program genre input in step S31, the names of the performers 1 to n included in the program information 20 are the keywords extracted by the keyword extracting means 12. And added to the keyword list (S37).

  Here, the keyword extraction unit 12 determines whether or not there is next program information 20 (S38).

  When it is determined in step S35 that the program represented by the program information 20 is not broadcast on that day, or when it is determined in step S36 that the program genre 25 does not match the program genre input in step S31. Step S38 is executed.

  If it is determined in step S38 that there is the next program information 20, steps S35 to S38 are executed. If it is determined that there is no next program information 20, the generation of the keyword list is completed.

  Steps S39 to S41 described below are repeatedly executed for each keyword included in the keyword list thus generated.

  Here, first, attribute information including a keyword is searched by the play list generating means 13 from the attribute information stored in the attribute information storing means 11 (S39).

  Next, information indicating the storage location of the content corresponding to the searched attribute information is added to the playlist by the playlist generating means 13 (S40).

  Here, whether or not there is a next keyword is determined by the playlist generation means 13 (S41). If it is determined that there is a next keyword, steps S39 to S41 are executed. If it is determined that there is no next keyword, generation of the playlist is completed.

  Here, the playlist generating means 13 may regenerate the playlist by rearranging the playback order so that the contents related to the same performer do not continue.

  In accordance with the playlist generated in this way, content is sequentially output to the audio output device 5 and the display device 6 by the content reproduction means 14 (S42), and the operation of the content search device 1 ends.

  The content search apparatus according to the first embodiment of the present invention extracts names of performers appearing in programs broadcast on the day from electronic program information, and the extracted performer names are included in the attribute information. Since the content is searched, it is possible to search for a topical content related to the performer of the broadcast program of the day without setting a search condition.

(Second Embodiment)
In the second embodiment of the present invention, an example in which the content search device according to the present invention is mounted on a mobile terminal will be described.

  FIG. 4 shows a content search apparatus according to the second embodiment of the present invention. In FIG. 4, among the constituent elements constituting the content search apparatus 44 according to the second embodiment of the present invention, the constituent elements constituting the content search apparatus 1 according to the first embodiment of the present invention. The same reference numerals are given to the same elements, and the description is omitted.

  4, in addition to the configuration of the content search device 1 according to the first embodiment of the present invention, the content search device 44 measures the position of the mobile terminal and calculates the current time. A receiver 45, an autonomous navigation sensor 46 for detecting the orientation of the mobile terminal, a map database storage means 47 in which map data necessary for route search and the like are recorded, a route search means 48, and a current location to a destination Route information storage means 49 for storing route information representing the route.

  The route search means 48 is constituted by, for example, a CPU that executes a program. Route information from a current location of a mobile terminal measured by the GPS receiver 45 to a destination set via the input device 3 is obtained from a map database. It is generated based on the map data recorded in the storage means 47.

  The route information storage means 49 is constituted by a storage medium such as a hard disk device or a flash memory, for example, and stores the route information generated by the route search means 48.

  Here, as shown in FIG. 5, the route information is composed of information indicating a departure place, a destination, an estimated arrival time, a passing road train, and a guide spot train.

  The operation of the content search device 44 configured as described above will be described with reference to FIG.

  First, a program genre is input via the input device 3 (S61).

  Next, the keyword extraction unit 12 determines whether or not electronic program information is stored in the electronic program information storage unit 8 (S62).

  If it is determined in step S62 that the electronic program information is stored, the keyword extracting unit 12 determines whether the acquisition date of the electronic program information is the current date (S63).

  If it is determined in step S62 that electronic program information is not stored in the electronic program information storage unit 8, or the acquisition date of the electronic program information stored in the electronic program information storage unit 8 is the current date in step S63. If it is determined that it is not a date, the latest electronic program information is acquired by the electronic program information acquisition means 7 and stored in the electronic program information storage means 8 (S64).

  When it is determined in step S63 that the acquisition date of the electronic program information stored in the electronic program information storage unit 8 is the current date, or when the latest electronic program information is acquired in step S64, The keyword extraction unit 12 determines whether route information is stored in the route information storage unit 49 (S65).

  If it is determined in step S65 that the route information is stored in the route information storage means 49, the time range from the current time to the estimated arrival time included in this route information is used to narrow down the program by broadcast date and time. It is set by the keyword extracting means 12 (S66).

  For example, as shown in FIG. 5, when the current time calculated by the GPS receiver 45 is 13:30 and the estimated arrival time included in the route information is 16:50, the time from 13:30 to 16:50 A time range 55 up to minutes is set.

  In step S65, if it is determined that route information is not stored in the route information storage means 49, the keyword extraction means 12 is used as a time range for narrowing down programs by broadcast date and time from 0:00 to 24:00 of the current date. (S67).

  Next, steps S68 to S71 described below are repeatedly executed for each program information 20 included in the electronic program information stored in the electronic program information storage unit 8.

  Here, based on the broadcast start date 22 and the broadcast end date 23 included in the program information 20, whether or not the program represented by the program information 20 is broadcast within the set time range is first extracted by the keyword extracting means. 12 (S68).

  For example, in FIG. 5, it is determined that programs 1A to 3A, programs 1B to 3B, and programs 1Q to 2Q are broadcast within a time range 55. Also, it is determined that the programs 4A to XA, the programs 4B to XB, and the programs 3Q to XQ are not broadcast within the time range 55.

  As described above, when it is determined that the program represented by the program information 20 is broadcast within the set time range, the program genre 25 included in the program information 20 matches the program genre input in step S61. It is judged by the keyword extraction means 12 whether it has done (S69).

  When it is determined in step S69 that the program genre 25 matches the program genre input in step S61, the names of the performers 1 to n included in the program information 20 are keyword-extracted by the keyword extracting means 12. And added to the keyword list (S70).

  Here, the keyword extraction unit 12 determines whether or not there is next program information 20 (S71).

  If it is determined in step S68 that the program represented by the program information 20 is not broadcast within the set time range, or in step S69, the program genre 25 does not match the program genre input in step S61. If it is determined, step S71 is executed.

  If it is determined in step S71 that the next program information 20 is present, steps S69 to S71 are executed. If it is determined that there is no next program information 20, the generation of the keyword list is completed.

  Steps S72 to S74 described below are repeatedly executed for each keyword included in the keyword list thus generated.

  Here, first, attribute information including a keyword is searched by the playlist generating means 13 from the attribute information stored in the attribute information storing means 11 (S74).

  Next, information indicating the storage location of the content corresponding to the searched attribute information is added to the playlist by the playlist generating means 13 (S75).

  Here, whether or not there is a next keyword is determined by the playlist generating means 13 (S76). If it is determined that there is a next keyword, steps S72 to S74 are executed. If it is determined that there is no next keyword, generation of the playlist is completed.

  In accordance with the playlist generated in this way, content is sequentially output to the audio output device 5 and the display device 6 by the content reproduction means 14 (S77), and the operation of the content search device 44 ends.

  The content search device 44 according to the second embodiment of the present invention extracts the performer name from the electronic program information related to the program broadcast within the travel time to the route search destination, and performs the extracted appearance. Since the content whose user name is included in the attribute information is searched, it is possible to search for a topical content related to a program broadcast within the travel time without setting search conditions.

  In the first embodiment and the second embodiment of the present invention, the example in which the keyword extraction unit 12 extracts a performer name as a keyword from the electronic program information has been described. However, in the present invention, the keyword extraction is performed. The means may extract other information included in the electronic program information as a keyword, for example, by extracting a noun from a sentence representing the program genre or program content.

  Moreover, the content search device according to the present invention may include an external device connection interface for connecting an external storage device. Here, the external device connection interface constitutes content acquisition means in the present invention.

  For example, as shown in FIG. 7, the content search apparatus according to the present invention replaces the content storage means 10 and the attribute information storage means 11 in the configuration of the content search apparatus 1 according to the first embodiment of the present invention. The external device connection interface 80 may be provided.

  Furthermore, the content search apparatus according to the present invention may be configured to include the content storage means 10, the attribute information storage means 11, and the external device connection interface 80.

  As described above, the content search device according to the present invention has an effect that content can be searched without setting search conditions, and the content search device searches for content based on content attribute information. Useful as.

The block diagram of the content search apparatus in the 1st Embodiment of this invention Data structure diagram of electronic program information in the first embodiment and the second embodiment of the present invention FIG. 3 is a flowchart for explaining the operation of the content search apparatus according to the first embodiment of the present invention. The block diagram of the content search apparatus in the 2nd Embodiment of this invention The figure for demonstrating the time range set in the 2nd Embodiment of this invention Flow chart for explaining the operation of the content search apparatus in the second embodiment of the present invention Block diagram of content search apparatus in another embodiment of the present invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,44 Content search apparatus 2 Main controller 3 Input apparatus 4 Communication apparatus 5 Audio | voice output apparatus 6 Display apparatus 7 Electronic program information acquisition means 8 Electronic program information storage means 10 Content storage means 11 Attribute information storage means 12 Keyword extraction means 13 Playlist Generation means 14 Content reproduction means 45 GPS receiver 46 Autonomous navigation sensor 47 Map database storage means 48 Route search means 49 Route information storage means 55 Time range 80 External device connection interface

Claims (4)

In a content search device for searching for content whose keyword is included in attribute information representing an attribute of the content from content stored in a storage device,
A content search apparatus comprising keyword extraction means for extracting the keyword from electronic program information received by the electronic program information receiving apparatus. The keyword extracting means obtains an estimated arrival time arriving at a route search destination from a route search device, and relates to a program broadcast within a time period from the current time to the estimated arrival time in the electronic program information. The content search apparatus according to claim 1, wherein the keyword is extracted from the selected electronic program information. The content search apparatus according to claim 1, wherein the keyword extraction unit extracts a name of a performer appearing in a program from the electronic program information as the keyword. 4. The content search apparatus according to claim 1, further comprising a content acquisition unit that is externally connected and acquires the content from the storage apparatus.

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