WO2007007556A1 - Dispositif d’enregistrement de radiodiffusion - Google Patents

Dispositif d’enregistrement de radiodiffusion Download PDF

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Publication number
WO2007007556A1
WO2007007556A1 PCT/JP2006/312906 JP2006312906W WO2007007556A1 WO 2007007556 A1 WO2007007556 A1 WO 2007007556A1 JP 2006312906 W JP2006312906 W JP 2006312906W WO 2007007556 A1 WO2007007556 A1 WO 2007007556A1
Authority
WO
WIPO (PCT)
Prior art keywords
recording
long
broadcast
term
program
Prior art date
Application number
PCT/JP2006/312906
Other languages
English (en)
Japanese (ja)
Inventor
Shinya Hasegawa
Original Assignee
Sharp Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Priority to JP2007524567A priority Critical patent/JPWO2007007556A1/ja
Publication of WO2007007556A1 publication Critical patent/WO2007007556A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B2020/10935—Digital recording or reproducing wherein a time constraint must be met
    • G11B2020/10953—Concurrent recording or playback of different streams or files
    • G11B2020/10962—Concurrent recording or playback of different streams or files wherein both recording and playback take place simultaneously
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/40—Combinations of multiple record carriers

Definitions

  • the present invention relates to a broadcast recording apparatus capable of recording broadcast data including video data and Z or audio data by a user operation even when the program is being viewed.
  • the start time and end time of the program to be recorded are designated (reserved) in advance in the broadcast recording apparatus, and the program is automatically recorded by the broadcast recording apparatus.
  • This is a method of recording by performing a program recording start / stop operation.
  • a broadcast recording apparatus that can avoid such problems, that is, a broadcast recording apparatus that can perform retroactive recording is disclosed in, for example, Japanese Patent Application Laid-Open No. 1-251368.
  • broadcast data is always recorded in advance by a temporary recording means having a ring buffer power, and when a user's recording start instruction is given, the broadcast data recorded in the temporary recording means, Long-term recording together with subsequent broadcast data.
  • Patent Document 1 JP-A-1 251368
  • the present invention has been made in view of the above-mentioned conventional problems, and broadcast data including video data and Z or audio data can be displayed by a user operation even during viewing of the program.
  • the purpose is to provide a broadcast recording device that can record the initial strength of the system.
  • the present invention is a broadcast recording apparatus that receives broadcast data including video data and Z or audio data, and records the broadcast data, and temporarily records the broadcast data; Long-term recording means for recording long-term recording broadcast data recorded in the temporary recording means, long-term recording start instructing means for issuing a long-term recording start instruction in response to a user's long-term recording start operation, and receiving event information.
  • An event information storage means for storing the contents, and a control means for controlling the long-term recording means in response to the long-term recording start instruction, the control means when the long-term recording start instruction is issued
  • the start point and end point of the event being recorded in the temporary recording unit are acquired from the event information storage unit, and the temporary recording broadcast data corresponding to the period is stored in the long-term recording unit. And controlling the long-term recording means to record.
  • the long-term recording means records the event name obtained from the event information storage means together with the broadcast data.
  • the broadcast recording apparatus is a change point detection unit that detects a change point of the broadcast data.
  • the control means detects the change point closest to the start point or end point obtained from the event information storage means using the change point detection means, and the detected change point is the start point or end point of the event. It is characterized by controlling the long-term recording means in the previous term.
  • the change point detecting means detects a silent section of the voice data.
  • the event information may be program information capable of obtaining electronic program listing power, or may be music information capable of obtaining electronic program listing power.
  • the long-term recording start instruction means performs a long-term recording of the starting power of the event or a long-term recording of the operated time power when the user performs a long-term recording start operation. It can be instructed by the user's selection whether to perform or not.
  • the temporary recording means is characterized in that the temporary recording operation is performed even in a standby state which is a state when the user is instructed to turn on the power!
  • broadcast data including video data and Z or audio data can be transmitted in units of programs or music by user operation. It is possible to provide a broadcast recording apparatus capable of recording in units.
  • FIG. 1 is a configuration diagram showing an overall configuration of a broadcast recording apparatus according to a first embodiment of the present invention.
  • FIG. 2 is an explanatory diagram showing the role of event information defining a program to be recorded by the broadcast recording apparatus according to the first embodiment of the present invention.
  • FIG. 3 is a configuration diagram showing an overall configuration of a broadcast recording apparatus according to a second embodiment of the present invention.
  • ⁇ 4] An explanatory diagram showing the role of event information defining a program to be recorded by the broadcast recording apparatus according to the second embodiment of the present invention.
  • FIG. 5 is a configuration diagram showing an overall configuration of a broadcast recording apparatus according to a third embodiment of the present invention.
  • FIG. 6 is an explanatory diagram showing an operating state of the temporary recording / long-term recording device 21 in the broadcast recording device according to the third embodiment of the present invention.
  • broadcast data includes video data and audio data. Therefore, in the following description, terms such as “viewing” and “recording” are used, but the present invention is not limited to this. For example, it can be applied to broadcasting only audio data.
  • FIG. 1 is a configuration diagram showing the overall configuration of the broadcast recording apparatus according to the first embodiment of the present invention.
  • the broadcast recording apparatus of the present embodiment includes a temporary recording apparatus 1 for temporarily recording received broadcast data, a long-term recording apparatus 2 for recording broadcast data for a long time, and a long-term user's long-term recording.
  • a long-term recording start instructing unit 3 that instructs the control unit 5 described later to start long-term recording, and for analyzing and temporarily storing event information Event information storage unit 4 and a control unit 5 for controlling the whole and moving the temporarily recorded broadcast data and converting the format of the data.
  • the temporary recording device 1 is configured as a ring buffer.
  • the temporary recording device 1 is composed of an information recording medium such as a volatile semiconductor memory, a nonvolatile semiconductor memory, and a hard disk.
  • the long-term recording device 2 can be composed of an information recording medium such as a magnetic tape, an optical disk, a hard disk, and a nonvolatile semiconductor memory.
  • the portion related to broadcast reception that is, the portion for supplying the broadcast data in FIG. 1 is omitted, but this portion is not limited to the broadcast receiver included in this apparatus, It may be a system.
  • the broadcast data is automatically recorded as temporary recording broadcast data in the temporary recording device 1.
  • 1 is a ring buffer, so if there is no explicit long-term recording start operation by the user
  • Old, temporarily recorded broadcast data is overwritten by new temporarily recorded broadcast data.
  • broadcast data designated by the user's long-term recording start operation is recorded for the purpose of long-term storage, and therefore automatic overwriting is not performed.
  • the long-term recording start instructing unit 3 issues a long-term recording start instruction to the control unit 5 in response to a user's long-term recording start operation.
  • This long-term recording start operation corresponds to, for example, an operation of pressing a recording button on the remote controller.
  • the event information storage unit 4 acquires event information, analyzes it, and temporarily stores it.
  • program information is assumed as this event information.
  • the event information storage unit 4 stores at least the program name, the start time, and the end time of the currently received program. Note that the event information may be acquired through means other than broadcasting, for example, through some communication means.
  • broadcast data electronic program information, data broadcasting, etc.
  • the event of the event information is a program 1 that does not have to be the program itself. If the acquired event information, such as a corner or a song being broadcast, can also be obtained, the start time and end time.
  • the control unit 5 performs control of processing (transfer processing means) for moving temporarily recorded broadcast data recorded in the temporary recording device 1 to the long-term recording device 2 and the like. That is, the broadcast data recorded in the long-term recording device 2 is the real-time broadcast data that is always stored in the temporary recording device 1 and read out.
  • control unit 5 performs this format conversion process when it is necessary to convert the format of the data moving between the temporary recording device 1 and the long-term recording device 2.
  • the temporary recording device 1 is recorded in MPEG-2TS (Transport Stream, ISO ZIEC13818-1), which is the format of digital broadcast data, and the long-term recording device.
  • MPEG-2TS Transport Stream, ISO ZIEC13818-1
  • a different format suitable for storage may be used.
  • MPEG-2PS see Program Stream, ISO / I EC13818-1
  • the information recording medium is a compact flash (registered trademark) or a flash memory system such as an SD card
  • a file format such as ASF or MP4 is suitable!
  • FIG. 2 is an explanatory diagram showing the role of event information defining a program to be recorded by the broadcast recording apparatus according to the first embodiment of the present invention.
  • program A (201) starts at time tO
  • program A (201) ends at time t2
  • program B (202) starts and continues until time t3.
  • time tl indicates the current time, that is, the time when the user is viewing at this moment.
  • the control unit 5 When the user wants to record the program A (201) while viewing the currently viewed program A (201), the user presses a long-term recording start operation (for example, presses the record button on the remote control). Operation). As described above, in response to this long-term recording start operation, the long-term recording start instruction unit 3 issues a long-term recording start instruction to the control unit 5. Upon receiving this long-term recording start instruction, the control unit 5 obtains a time tO that is the start time of the currently received program from the event information storage unit 4. Since the temporarily recorded broadcast data corresponding to the period from the time tO to the current time tl is recorded retroactively in the temporary recording device 1, the control unit 5 stores the broadcast data from the time tO to the current time tl.
  • the control unit 5 obtains the time t2, which is the end time of the program being recorded for a long time, from the event information storage unit 4 (while the temporary recording device 1 continues to broadcast data after the current time tl. Recording at a data transmission rate of
  • control unit 5 continues the movement and transmits the temporarily recorded broadcast data from the temporary recording device 1 to the temporarily recorded broadcast data corresponding to the acquired time t2 as well.
  • the data is read at the data transmission rate, recorded on the long-term recording device 2 while performing format conversion if necessary, and then the long-term recording operation is terminated.
  • the long-term recording device 2 has broadcast data in the period corresponding to the time tO to t2 of the program A (201) at the time when the broadcast of the program A (201) is finished, that is, number 1A (201) All broadcast data power is continuously recorded.
  • control unit 5 records the event information such as the program name and broadcast date and time stored in the event information storage unit 4 in the long-term recording device 2 in addition to the broadcast data. This also improves the searchability of the recorded program.
  • the current program when the user performs a long-term recording start operation, the current program is always recorded for a long time.
  • the actual operation desired by the user is not limited to the recording of the current program.
  • long-term recording of the broadcast data as far back as possible is possible, including the broadcast part.
  • two types of operation methods are prepared for the long-term recording start operation, and recording is performed in units of programs by one operation and retroactive recording to the limit by the other operation.
  • a method is also possible.
  • These two types of operation methods include, for example, a distinction between long press and short press of the record button, and a method of providing two types of record buttons corresponding to these two types of operation methods on the device. Is possible.
  • the number 1A (201) which is a program broadcast when the user performs a long-term recording start operation, can be recorded for a long time together with program information. Therefore, even if the user operates the record button to record the currently viewed program after the user has watched the program for a while, the program recording must be reserved before the start of this program. Similar results can be obtained.
  • the operation start for temporarily recording the broadcast data in the temporary recording device 1 is triggered by the point in time when the user selects the service provided by the device, as well as the method of starting the device.
  • the standby state refers to a power that is turned off for a device for controlling the user interface such as a display device, a part of the device constituting the device, in this case, a part related to broadcast reception.
  • the temporary recording device 1 is in a state in which power is supplied and operating.
  • a fixed receiver can continue recording semipermanently even in a standby state, but it is difficult for a portable receiver or a mobile receiver with a limited power source.
  • the user's viewing pattern is analyzed in advance or the user explicitly specifies the viewing pattern! /, And the program that the user is likely to watch according to this pattern starts. Processing for starting temporary recording can be performed.
  • the user turns on the power and returns to the standby state, even if the program has already started, the program has been recorded for a long time, so the user can play back the entire program that he / she wants to watch. Can be viewed.
  • FIG. 3 is a block diagram showing the overall configuration of the broadcast recording apparatus according to the second embodiment of the present invention.
  • the same parts as those in FIG. 1 (first embodiment) are denoted by the same reference numerals and the description thereof is omitted.
  • the broadcast recording apparatus of the present embodiment includes a change point detector 16 as a new component added to the configuration of FIG. 1 (first embodiment), and includes a control unit 5 shown in FIG. Instead, a control unit 15 is provided.
  • a part of a program is not recorded in units of programs. Minutes are recorded as if they constitute one broadcast unit.
  • FIG. 4 is an explanatory diagram for showing the role of event information defining a program to be recorded by the broadcast recording apparatus according to the second embodiment of the present invention.
  • FIG. 4 shows an example in which music information is included in part of program information.
  • Program A, program B, and times tO, tl, t2, and t3 are the same as those in the first embodiment. The explanation is omitted because it is the same as that explained in FIG.
  • Each program has a period during which the music is broadcast. During that period, information including the name of the music, the name of the performer, etc. (song name singer name information) is broadcast as a program information along with the music. .
  • song name singer name information a (401) is multiplex broadcast as program information, and the corresponding song, song a, is broadcast. Yes. Also, during the period from time tO to time t4 and the period from time t5 force t2, there is no music title singer name information with no broadcast of music.
  • song name singer name information b (402) is broadcast as force set information and song b, which is the corresponding song, is broadcast. .
  • song b which is the corresponding song
  • Such broadcast format of program information is defined in, for example, the satellite digital audio broadcasting operation regulations ARIB-TR-B26. The same format can be used when event information is extracted by analyzing the contents of data broadcasting.
  • the broadcast start time and end time of the music are not the specific time described in the program information (electronic program information).
  • This kind of program information update is usually done in units of at least once every few seconds, so the specific time listed in the program information is the time at which the broadcast of the music starts on the actual broadcast data. Does not exactly match (or end time). For this reason, in this embodiment, in addition to the components of the first embodiment shown in FIG.
  • a change point detection unit 16 is newly added, and the control unit 5 shown in FIG. [0045]
  • the control unit 15 sends a time t that is the start time of the currently received song a from the event information storage unit 4. Get 4.
  • the time t4 is only the time on the program information, and the broadcast start time of the music a on the actual broadcast data is slightly before or after this, that is, the time (time t4 ).
  • control unit 15 uses the change inspection output unit 16 to perform a time t4 on the temporary recording broadcast data (sent via the control unit 15) stored in the temporary recording device 1.
  • a change point that is considered to be the starting point of the music is searched for in the vicinity of, and sent to the control unit 15.
  • control unit 15 receives the temporary recording broadcast data recorded in the temporary recording device 1 after the time (time t4, minute time ⁇ ) found by the change point detection unit 16. Read from 1 and record in long-term recording device 2 for a long time.
  • the force is the same as the start time t4.
  • the time t5 cannot be known in advance, and the program actually passes the time t5.
  • the time t5 can be detected for the first time when the information is updated and the song name singer name information is blank. For this reason, after the time t5 has passed and the music a is finished, the change point in the temporarily recorded broadcast data near the detected time t5 is detected again to determine the final long-term recording target.
  • a method of detecting a change point by the change point detection unit 16 for example, a method of detecting a silent state and setting a silent part as a change point, or a point where a spectrum has undergone a large change in spectrum analysis is performed. There is a method of making a change point.
  • event information storage is performed. This can be done by using the time obtained from Part 4 as it is.
  • the song name singer name information obtained from the event information storage unit 4 is recorded for a long time, so that Searchability can be improved.
  • the user plays the song for a while. Even if you press the record button to record this song after watching it, there is an effect that you can record the entire song without including any extra broadcast data. .
  • the present invention is not limited to this.
  • the present invention is not limited to this.
  • the present invention can also be applied to the recording of the program or the corner unit in the program shown in the first embodiment. It is.
  • the long-term recording start and end detection means using the change point detection unit 16 is used to detect general programs that are not necessarily music programs, and the start and end points of corners in programs. It can also be employed as a detection means.
  • FIG. 5 is a configuration diagram showing the overall configuration of the broadcast recording apparatus according to the third embodiment of the present invention.
  • the same parts as those in FIG. 1 (first embodiment) are denoted by the same reference numerals and the description thereof is omitted.
  • the broadcast recording apparatus of the present embodiment deletes the temporary recording apparatus 1 and the long-term recording apparatus 2 from the configuration of FIG. 1 (first embodiment), and newly adds a temporary recording and long-term recording apparatus 21. Further, a control unit 25 is provided instead of the control unit 5 shown in FIG.
  • the information recording medium is composed of an optical disk, a hard disk, a nonvolatile semiconductor memory, or the like. I prefer that.
  • the temporary recording / long-term recording device 21 uses the free area of the long-term recording device 2 in the first and second embodiments as an area for temporary recording. Therefore, the substance is a long-term recording device as in the long-term recording device 2.
  • FIG. 6 is an explanatory diagram showing an operation state of the temporary recording / long-term recording device 21 in the broadcast recording device according to the third embodiment of the present invention.
  • a free space that is an area that is occupied for long-term recording is used, and a ring buffer for temporary recording is configured.
  • the broadcast data being received is temporarily recorded in this ring buffer.
  • the capacity of the ring buffer is exceeded, the old temporary recorded broadcast data is overwritten and erased by the temporarily recorded broadcast data. to this This is the same configuration as in the first and second embodiments.
  • FIG. 6 (a) shows the contents of the ring buffer at the instant of time tl. That is, the broadcast data of the program corresponding to program A (201) (FIG. 2) from time tO to time tl is recorded in this ring buffer as temporarily recorded broadcast data in the area indicated by reference numeral 602.
  • the area indicated by reference numeral 602 which is temporarily recording the program corresponding to the yarn 1A (202) (Fig. 2), is for long-term recording.
  • the state shown in Fig. 6 (b) is reached at time t2.
  • the area denoted by reference numeral 605 is an area for long-term recording, which is long-term recording broadcast data corresponding to the entire broadcast data of the program corresponding to the number 1A (201) (FIG. 2). Therefore, if the remaining free space (604) and free space (606) are used to reconfigure the temporary recording ring buffer and continue to watch, program B (202)
  • the program corresponding to (Fig. 2) is recorded in the area indicated by reference numeral 609 in the state shown in Fig. 6 (c).
  • the present invention can be easily realized even with a portable terminal that can be equipped with only limited recording resources.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)

Abstract

Selon la présente invention, un dispositif d’enregistrement temporaire (1) continue à enregistrer temporairement des données de radiodiffusion. Lorsqu’une instruction d’enregistrement long est reçue d’une unité d’instruction de début d’enregistrement long (3) actionnée par un utilisateur, une unité de commande (5) acquiert une heure de début et une heure de fin d’une émission en cours depuis une unité de stockage de données d’émission (4), et les données de radiodiffusion à enregistrement temporaire correspondant à cette plage horaire sont transférées du dispositif d’enregistrement temporaire (1) vers un dispositif d’enregistrement long (2). Ainsi, même pendant la visualisation d’une émission, les données de radiodiffusion (données vidéo et/ou données audio) peuvent être enregistrées par une unité actionnée par un utilisateur.
PCT/JP2006/312906 2005-07-07 2006-06-28 Dispositif d’enregistrement de radiodiffusion WO2007007556A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007524567A JPWO2007007556A1 (ja) 2005-07-07 2006-06-28 放送記録装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005-198236 2005-07-07
JP2005198236 2005-07-07

Publications (1)

Publication Number Publication Date
WO2007007556A1 true WO2007007556A1 (fr) 2007-01-18

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PCT/JP2006/312906 WO2007007556A1 (fr) 2005-07-07 2006-06-28 Dispositif d’enregistrement de radiodiffusion

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JP (1) JPWO2007007556A1 (fr)
WO (1) WO2007007556A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009200992A (ja) * 2008-02-25 2009-09-03 Mitsubishi Electric Corp 携帯端末装置および番組録画システム
JP2010123234A (ja) * 2008-11-24 2010-06-03 Mediatek Inc マルチメディア記録装置及び方法
JP2010129146A (ja) * 2008-11-28 2010-06-10 Ochanomizu Univ 行動分析支援システム及び行動分析支援プログラム
JPWO2008126311A1 (ja) * 2007-03-30 2010-07-22 富士通株式会社 動画記録方法および情報処理装置

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Publication number Priority date Publication date Assignee Title
JP2000125261A (ja) * 1998-10-15 2000-04-28 Toshiba Corp デジタル放送番組記録再生装置と情報記録装置
JP2002185906A (ja) * 2000-12-11 2002-06-28 Sanyo Electric Co Ltd 番組記録システム、および番組記録方法
JP2004159107A (ja) * 2002-11-06 2004-06-03 Nippon Telegr & Teleph Corp <Ntt> インデックス生成方法及びプログラム及びインデックス生成プログラムを格納した記憶媒体

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JP2000036184A (ja) * 1998-07-16 2000-02-02 Sony Corp データ伝送システム及びデータ受信装置

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
JP2000125261A (ja) * 1998-10-15 2000-04-28 Toshiba Corp デジタル放送番組記録再生装置と情報記録装置
JP2002185906A (ja) * 2000-12-11 2002-06-28 Sanyo Electric Co Ltd 番組記録システム、および番組記録方法
JP2004159107A (ja) * 2002-11-06 2004-06-03 Nippon Telegr & Teleph Corp <Ntt> インデックス生成方法及びプログラム及びインデックス生成プログラムを格納した記憶媒体

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2008126311A1 (ja) * 2007-03-30 2010-07-22 富士通株式会社 動画記録方法および情報処理装置
JP4985766B2 (ja) * 2007-03-30 2012-07-25 富士通株式会社 動画記録方法および情報処理装置
JP2009200992A (ja) * 2008-02-25 2009-09-03 Mitsubishi Electric Corp 携帯端末装置および番組録画システム
JP2010123234A (ja) * 2008-11-24 2010-06-03 Mediatek Inc マルチメディア記録装置及び方法
US8948574B2 (en) 2008-11-24 2015-02-03 Mediatek Inc. Multimedia recording apparatus and method
JP2010129146A (ja) * 2008-11-28 2010-06-10 Ochanomizu Univ 行動分析支援システム及び行動分析支援プログラム

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