JP2009009667A - Content information acquisition device, program, and content information acquisition method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a technique for easily retrieving a new song content. <P>SOLUTION: In a content information acquisition device which is equipped with: a storage means which stores contents data; and a content information acquisition means which acquires predetermined content information about the content data when storing content data in the storage means or at a predetermined timing after storing and stores it to the storage means as accessory information for this content data, a flag recording means (steps 33, 35) is provided, which records in the storage means, a flag which indicates that the content data is new when information thereof cannot be acquired when the content acquisition means tries to acquire the content information (steps 31, 32) as accessory information for the content data. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention provides a content information capturing device that acquires predetermined content information related to content data at the time of storing the content data or at a predetermined timing after the storage, and stores it as accompanying information of the content data And a program for causing a computer to function as the apparatus.

  FIG. 1 shows a configuration of a conventional AV apparatus capable of recording and reproducing music data and video data. As shown in the figure, this apparatus is centered on a CPU 11, a memory system such as an SDRAM 12, a flash memory 13 and an EEPROM 14, a hard disk 15 and a disk drive 16 for data storage and reproduction, a DSP 17 for data conversion, and a broadcast. A receiving tuner 18 is provided. The digital interface includes a network controller 19 and its connector 20, a USB controller 21 and a USB connector 22. Furthermore, an AD converter 23 and a DA converter 24 for analog / digital conversion, an operation unit / remote control light receiving unit 23 and a display unit 25 constituting a user interface are provided.

  According to this apparatus, broadcast content data acquired by the tuner 18, content data acquired from the network via the network controller 19, content data acquired via the USB interface such as the USB controller 21, and the disk drive 16 are used. The content data obtained by ripping can be recorded on the hard disk 15 and reproduced. Further, with respect to the content data recorded on the hard disk 15, a database on the web or a database in the hard disk 15 is searched, and music information such as a disc title, a music title, and an artist name is acquired and recorded in the tag information of the content data. You can also. Note that a similar function can be performed on a general personal computer.

  FIG. 2 shows a configuration example of a home network including such an AV apparatus and a personal computer. In the figure, reference numerals 26 and 27 denote the above-described AV apparatus and personal computer, which are connected to each other via a predetermined network protocol 28. This network is connected to the web via a modem 30 to access a database 29 such as a CDDB (CD database) on the web.

  FIG. 6 shows a process of acquiring music information such as an album name, a music title, and an artist name for the content data in the hard disk 15 in the apparatus of FIG. When the process is started, first, in step 61, TOC data, waveform data, and the like are extracted from the target content data. Next, in step 62, the database 29 on the web or the database in the hard disk 15 is accessed, and music information that matches the extracted TOC data, waveform data, etc. is searched from the database.

  Next, in step 63, it is determined whether or not the corresponding music information has been searched. If it is determined that the search is successful, in step 64, the file name, tag information, folder name, etc. of the target content are rewritten based on the album (or disc) title, artist name, song name, etc., which are the contents of the music information. Then, the process of FIG. If it is determined in step 63 that the search cannot be performed, an error display indicating that is output on the display unit 25 in step 65, and the processing in FIG.

  In addition, as a technique for using content metadata (tag information), for example, a technique that can easily organize acquired broadcast content data based on the metadata (for example, , See Patent Document 1). In this technology, the recording time and broadcast station name of broadcast content, information including a part of audio data constituting the broadcast content or a feature amount is sent to a predetermined server, and the artist name of the broadcast content is transmitted from the server. And metadata such as music titles are acquired, and a database of broadcast contents accompanied by the metadata is constructed. For broadcast content for which metadata has been acquired, the music title or artist name is displayed as a menu, and the corresponding broadcast content can be reproduced according to the selection.

JP 2007-133923 A

  However, according to the related art of FIG. 6 described above, when music information corresponding to the TOC data and waveform data of the target content does not exist in the database, no information can be added to the target content. Therefore, it is difficult to search such content from the library in the hard disk 15. Further, since such content is a new song, it cannot be distinguished whether there is no music information corresponding to the database or only there is no music information corresponding to the database.

  An object of the present invention is to provide a technique that makes it possible to easily search for new song contents in view of the problems of the prior art.

  The apparatus according to the first invention obtains predetermined content information relating to the content data when storing the content data in the storage device or at a predetermined timing after the storage. In addition, the present invention relates to a content information acquisition apparatus comprising content information acquisition means for storing in the storage means as accompanying information of the content data. Then, in order to achieve the above object, a flag indicating that the content is new with respect to the content data for which the content information could not be acquired when the content information acquisition means tried to acquire the content information. And a flag recording means for recording in the storage means as accompanying information of the content data.

  Here, as content data, for example, content data such as content that can be acquired by ripping, broadcast content that can be acquired by air check, download content that is obtained by downloading from a download service site, and the like correspond. Examples of content include music content and video content. The predetermined timing corresponds to, for example, a timing when a predetermined command is input or a periodic timing. As accompanying information of content data, for example, metadata and tag information are applicable.

  In this configuration, when content data is stored in the storage means by ripping or the like, or at a predetermined timing after being stored, predetermined content information relating to the content data is acquired and stored as accompanying information of the content data. Is remembered. At that time, when content data acquisition is attempted, for content data for which content information could not be acquired, a flag indicating that the content is new is stored in the storage means as accompanying information of the content data. To be recorded. This is because if the content is new, there is a high possibility that the content information cannot be acquired because the content information of the content is not yet registered in the database. Therefore, content data for which content information could not be acquired can be easily retrieved as new content by using a flag indicating that the content is new as a key.

  The content information acquisition device according to a second aspect of the present invention is the content information acquisition apparatus according to the first aspect, wherein when the content information is acquired by the content information acquisition unit with respect to the content data on which the flag is recorded by the flag recording unit, It has the means to delete a record, It is characterized by the above-mentioned.

  According to a third aspect of the present invention, there is provided the content information acquisition device according to the first or second aspect, wherein the flag recording unit is configured such that the content information acquisition unit is configured so that the predetermined period of time has elapsed since the flag was first recorded. When trying to acquire the content information, for the content data for which the content information could not be acquired, the flag indicating that the content was not new but the content information could not be acquired for the content. The content data is recorded in the storage means as accompanying information.

  In the content information acquisition device according to a fourth aspect of the present invention, in any one of the first to third aspects, the flag recording unit acquires the content information when the content information acquisition unit attempts to acquire the content information. A flag indicating that the content is new is recorded in the storage means as the accompanying information of the content data with respect to the content data that can be performed and the predetermined period has not elapsed since the release date. It is characterized by.

  A program according to a fifth invention causes a computer to function as each means in the device according to any one of the first to fourth inventions.

  A content information acquisition method according to a sixth invention relates to a storage step of storing content data in a storage means, and the content data at the time of storing the content data in the storage step or at a predetermined timing after the storage. In a content information acquisition method comprising a content information acquisition step of acquiring predetermined content information and storing it in the storage means as accompanying information of the content data, when the acquisition of the content information is attempted by the content information acquisition step The content data for which the content information could not be acquired includes a flag recording step of recording a flag indicating that the content is new in the storage means as accompanying information of the content data. And

  According to the present invention, for content data for which content information could not be acquired when attempting to acquire content information, a flag indicating that the content is new is recorded as accompanying information of the content data. Thus, content data for which content information could not be acquired can be easily retrieved as new content by using a flag indicating that the content is new as a key.

  FIG. 1 shows an AV apparatus according to an embodiment of the present invention. This apparatus has a function of recording and reproducing music data and video data. As shown in the figure, this device is a CPU 11 that controls each part of the device and performs necessary information processing according to a predetermined program, a memory 12 such as an SDRAM 12 that stores data and programs related to the processing of the CPU 11, a flash memory 13, and an EEPROM 14. , A hard disk 15 for storing content data, a disk such as a CD, a disk drive 16 for supplying playback data to the CPU 11, a DSP 17 for performing necessary data conversion between the CPU 11 and the outside, and receiving and receiving broadcasts A tuner 18 that supplies data to the CPU 11, a network controller 19 and a connector 20 for connecting the CPU 11 to a network, and a USB controller 21 and a USB connector 22 for connecting the CPU 11 to other USB devices are provided. Further, an AD converter 23 and a DA converter 24 that convert between analog data and digital data between the external device and the DSP 17, and an operation unit / remote control light receiving unit 23 and a display unit 25 that constitute a user interface with the CPU 11 are provided. Prepare.

  This apparatus includes broadcast content data acquired by the tuner 18, content data acquired from the network via the network controller 19, content data acquired via the USB controller, and content data acquired by ripping using the disk drive 16. Etc. can be recorded on the hard disk 15 and reproduced. Further, with respect to the content data recorded on the hard disk 15, a database on the web or a database in the hard disk 15 is searched to acquire music information such as a disk title, a music title, and an artist name, and based on this, tag information of the content data Can also be rewritten. A similar function can be performed on a general personal computer.

  FIG. 2 shows a configuration example of a home network as a local area network including such an AV apparatus and a personal computer. In the figure, reference numerals 26 and 27 denote the above-described AV apparatus and personal computer, which are connected to each other via a predetermined network protocol 28. This network is connected to the web via a modem 30 to access a database 29 such as a CDDB (CD database) on the web.

  FIG. 3 shows a music information acquisition process by the CPU 11. In this process, music information such as an album name, a music title, and an artist name is acquired at a predetermined timing for each target music content in the hard disk 15. The predetermined timing corresponds to a timing at which a predetermined command is input or a timing at every elapse of a predetermined period. When the process is started, first, in step 31, TOC data, waveform data, and the like are extracted from the target content data. The TOC data includes information on the number of songs for the album or disc to which each content data belongs, information on the performance time of each song, and the like.

  Next, in step 32, the CPU 11 accesses the database 29 on the web or the database in the hard disk 15, and searches the database for music information having data that matches the extracted TOC data and waveform data.

  Next, in step 33, it is determined whether or not the corresponding music information has been searched. If it is determined that the search has been completed, in step 34, the file name, tag information, folder name, etc. of the target content data are rewritten based on the title, artist name, song name, etc. of the album or disc as the contents of the music information. In this case, the song name can be used as the file name, and the title or artist name of the album or disc can be used as the folder name. Thereafter, the process of FIG. 6 is terminated.

  On the other hand, if it is determined in step 33 that the corresponding music information cannot be searched, a new music flag is written in the tag information of the target content in step 35, and the processing in FIG. The new song flag indicates that the content accompanying the new song flag relates to a newly created musical score or a newly injected album or disc, that is, a new musical score.

  According to the present embodiment, by performing the music information acquisition process of FIG. 3 for each content data in the hard disk 15, each content data can be searched using the song name, album name, artist name, etc. as a search key, A hierarchical structure with folders using album names and artist names can be configured to facilitate access to each content data.

  Also, for content data for which music information could not be acquired, album name, artist name, etc. cannot be recorded as tag information, but instead of setting a new song flag, a new song flag is set. Searching can be easily performed by sorting as a key. Therefore, a function such as a new song play for reproducing only a new song is provided, or a genre called a new song is provided as one of the genres so that only a new song can be played in a genre, or only a new song is randomly played It is possible to provide a function for performing.

  FIG. 4 shows an example of a process for re-searching the music information for the new music content in which the new music flag is written in the tag information by the processing of FIG. The timing of the re-search corresponds to, for example, when the database is updated, when the AV apparatus is next started, or when a predetermined period, for example, one week or one month has elapsed since the first search.

  When the process is started, the CPU 11 first determines in step 41 whether there is new song content data to be re-searched among the content data in the hard disk 15. The new song content data to be re-searched is content data in which a new song flag is written in the tag information by the process of FIG. It is also necessary that the content data matches the re-search timing. If it is determined that there is no new song content data to be re-searched, the processing in FIG.

  If it is determined in step 41 that there is new song content data to be re-searched, the process proceeds to step 42 to extract TOC data, waveform data, etc. for the new song content data. Next, in step 43, the CPU 11 accesses the database 29 on the web or the database in the hard disk 15, and searches the database for music information having data that matches the extracted TOC data and waveform data.

  Next, in step 44, it is determined whether or not the corresponding music information has been searched. If it is determined that the search has been completed, in step 45, the file name, tag information, folder name, etc. of the new song content data are rewritten based on the title, artist name, song name, etc. of the album or disc as the contents of the song information. . At that time, a song name can be used as a file name, and an album title or artist name can be used as a folder name. Further, in step 46, the new song flag of the new song content data is deleted, and the process of FIG. 6 is terminated.

  If it is determined in step 44 that the corresponding music information cannot be searched, the process proceeds to step 47, and the date when the first music information is searched for the new music content data, that is, the new music flag is recorded in the tag information. Judgment is made as to whether one month has passed since the date of the application. This determination can be made based on the recording date and time recorded together with the recording of the new song flag. If it is determined that one month has not elapsed, the processing of FIG.

  If it is determined in step 47 that one month has passed, the new song flag of the new song content data is erased, and a post-search no data flag is recorded in the tag information. The post-search no-data flag indicates that one month has passed from the date when the new song flag was recorded, but the song information could not be acquired for the new song data content. Thereafter, the process of FIG. 4 is terminated.

  According to the process of FIG. 4, by performing this process for each content data in the hard disk 15, the new song flag is recorded, and the content for which music information could not be acquired even after one month has passed. Since a post-search no-data flag can be recorded instead of a new song flag, content that could not be acquired after one month has been searched and handled separately from other content be able to.

  FIG. 5 shows another example of music information acquisition processing in the AV apparatus of FIG. This process is obtained by adding step 56 to the processes of steps 51 to 55 which are the same processes as steps 31 to 35 of FIG. That is, when the music information is acquired for the target content (steps 51 and 52) and the tag information and the like can be rewritten (step 54), in step 56, the target content has passed three months from the release date. Determine whether or not. This determination can be made based on information related to the release date of the content included in the music information acquired for the target content. If it is determined in step 56 that three months have passed, the processing of FIG. 5 is terminated as is, but if it is determined that three months have not passed, the process proceeds to step 55 where the new song flag is set as the target content. 5 is terminated after recording in the tag information. Note that the recorded new song flag is deleted by the CPU 11 after a predetermined period, for example, the elapse of three months.

  According to this, since the new song flag is recorded even for the new song content but the song information already exists in the database, such content is also recognized as the new song content based on the new song flag. Search and the like.

  Note that the present invention is not limited to the above-described embodiment, and can be implemented with appropriate modifications. For example, in the above description, the case where music content is targeted and the music information is acquired has been described. However, the present invention is also applicable to the case where content information is acquired for video content or the like instead of music content. Can be applied.

  In the above description, it is determined that one month has passed since the first music information search as a condition for recording the new song flag (step 47). Instead of this one month, for example, 1 You may make it employ | adopt a week.

  In the above description, the condition for recording the new song flag for the content for which the music information has been acquired is defined as not having passed three months from the release date of the content (step 56). Instead, other periods, for example one month, may be employed.

  In the above description, the music information is acquired for the content data already stored in the hard disk 15, but instead, when the content data is ripped from the disk drive 16 and stored in the hard disk 15, You may make it acquire music information about the content data.

1 is a block diagram showing an AV apparatus according to an embodiment of the present invention. It is a figure which shows the structural example of the home network containing the AV apparatus and personal computer of FIG. It is a flowchart which shows the music information acquisition process in the AV apparatus of FIG. It is a flowchart which shows an example of the process which re-searches music information about the new music content in which the new music flag was written in tag information by the process of FIG. It is a flowchart which shows another example of the music information acquisition process in the AV apparatus of FIG. It is a flowchart which shows the music information acquisition process in the conventional apparatus.

Explanation of symbols

  11: CPU, 12: SDRAM, 13: Flash memory, 14: EEPROM, 15: Hard disk, 16: Disk drive, 17: DSP, 18: Tuner, 19: Network controller, 20: Connector, 21: USB controller, 22: USB terminal, 23: operation unit / remote control light receiving unit, 23: AD converter, 24: DA converter, 25: display unit, 26: AV device, 27: personal computer, 28: network protocol, 29: database.

Claims (6)

Storage means for storing content data;
Content information acquisition for acquiring predetermined content information related to the content data when storing the content data in the storage means or at a predetermined timing after the storage, and storing it in the storage means as accompanying information of the content data A content information acquisition apparatus comprising:
When the content information acquisition means tries to acquire the content information, the content data that could not be acquired has a flag indicating that the content is new as the accompanying information of the content data. A content information acquisition apparatus comprising flag recording means for recording in a storage means.   2. The apparatus according to claim 1, further comprising a unit that deletes the recording of the flag when the content information is acquired by the content information acquisition unit with respect to the content data on which the flag is recorded by the flag recording unit. Content information acquisition device.   The flag recording means acquires content information when the content information acquisition means tries to acquire the content information after a predetermined period has elapsed since the flag recording by the flag recording means was first performed. For content data that could not be recorded, a flag indicating that the content information was not acquired but content information could not be acquired for the content is recorded in the storage means as accompanying information of the content data. The content information income apparatus according to claim 1 or 2, characterized in that   The flag recording means can acquire the content information when the content information acquisition means tries to acquire the content information, and the content of content data for which a predetermined period has not elapsed since the release date The content information acquisition apparatus according to any one of claims 1 to 3, wherein a flag indicating that the information is new is recorded in the storage unit as accompanying information of the content data.   A program for causing a computer to function as each means in the apparatus according to claim 1. A storage step of storing content data in the storage means;
Content information acquisition for acquiring predetermined content information related to the content data when storing the content data in the storing step or at a predetermined timing after storing the content data, and storing it in the storage means as accompanying information of the content data In a content information acquisition method comprising a process,
When trying to acquire the content information in the content information acquisition step, for content data for which content information could not be acquired, a flag indicating that the content is new is used as accompanying information for the content data. A content information acquisition method comprising a flag recording step of recording in the storage means.

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