WO2007081048A1 - コンテンツ再生装置およびコンテンツ再生方法並びにプログラム - Google Patents
コンテンツ再生装置およびコンテンツ再生方法並びにプログラム Download PDFInfo
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- WO2007081048A1 WO2007081048A1 PCT/JP2007/050633 JP2007050633W WO2007081048A1 WO 2007081048 A1 WO2007081048 A1 WO 2007081048A1 JP 2007050633 W JP2007050633 W JP 2007050633W WO 2007081048 A1 WO2007081048 A1 WO 2007081048A1
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- content
- playlist
- tempo
- music content
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- Prior art date
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/36—Accompaniment arrangements
- G10H1/40—Rhythm
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- G—PHYSICS
- G11—INFORMATION STORAGE
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- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
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- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
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- G—PHYSICS
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- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
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- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
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- G—PHYSICS
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- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/327—Table of contents
- G11B27/329—Table of contents on a disc [VTOC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
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- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
- A63B2071/0625—Emitting sound, noise or music
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- A—HUMAN NECESSITIES
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
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- G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
- G10H2220/155—User input interfaces for electrophonic musical instruments
- G10H2220/395—Acceleration sensing or accelerometer use, e.g. 3D movement computation by integration of accelerometer data, angle sensing with respect to the vertical, i.e. gravity sensing
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
- G10H2240/121—Musical libraries, i.e. musical databases indexed by musical parameters, wavetables, indexing schemes using musical parameters, musical rule bases or knowledge bases, e.g. for automatic composing methods
- G10H2240/131—Library retrieval, i.e. searching a database or selecting a specific musical piece, segment, pattern, rule or parameter set
- G10H2240/135—Library retrieval index, i.e. using an indexing scheme to efficiently retrieve a music piece
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- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
- G10H2240/121—Musical libraries, i.e. musical databases indexed by musical parameters, wavetables, indexing schemes using musical parameters, musical rule bases or knowledge bases, e.g. for automatic composing methods
- G10H2240/155—Library update, i.e. making or modifying a musical database using musical parameters as indices
Definitions
- the present invention relates to a content reproduction apparatus, a content reproduction method, and a program.
- BACKGROUND ART-Some playback devices that play music content have a function called a playlist that allows a user to freely determine the playback order of a plurality of music content. Playlists can be edited on your own and saved to a file. Therefore, the user can save the playback order of the music content that he / she likes and listen to the music content according to the stored playback order at any time.
- Japanese Laid-Open Patent Publication No. 2 0 0 5-1 5 6 6 4 1 discloses a playback mode control that detects the tempo of a user's walking or running and changes the playback speed of music content according to the detected tempo. The device is described.
- the amount (number) of music contents allocated to one playlist also increases. For example, if you want to be able to cope with the ambiguity of human memory as in the release year mentioned above, music that corresponds to the playlist as “late 90s” instead of strictly “1990” Widen common features of content. Therefore, the amount of music content corresponding to one playlist increases. Normally, when there are multiple music contents assigned to a playlist, the playback device shuffles them appropriately and puts them in a random playback order. 'Among multiple music contents allocated to the same playlist, there are music contents that the user wants to listen to preferentially and music contents that do not.
- an object of the present invention is to determine a music content that a user wants to listen to from among music contents allocated to a playlist, and to reproduce a determined music content preferentially, a content playback method, and Is to provide a program.
- the present invention includes a content holding unit that holds a plurality of contents together with a time stamp associated with the contents;
- a playlist creation unit that allocates multiple contents to create a playlist
- a control unit that plays the content allocated to the playlist in the order based on the time stamp
- the present invention also includes a content holding step for holding a plurality of contents together with a time stamp associated with the contents,
- a content playback method comprising:
- the present invention also provides a computer
- a content holding step for holding a plurality of contents together with a time stamp associated with the contents
- the music content that the user wants to listen to can be selected from a plurality of music contents allocated to the playlist.
- the selected music content can be played preferentially.
- FIG. 1 is a block diagram showing a configuration of a content reproduction apparatus according to an embodiment of the present invention
- FIG. 2 is a schematic diagram showing an example of processing of the content reproduction apparatus according to an embodiment of the present invention
- FIG. 3 is a schematic diagram for explaining an example of a play list corresponding to the user's exercise tempo
- FIG. 4 shows a flow of processing by control of the CPU of the content reproduction apparatus according to the embodiment of the present invention. It is a flow chart.
- FIG. 1 shows a configuration of a content reproduction apparatus 1 according to an embodiment of the present invention.
- the CPU CC entral Processing Unit 3 ⁇ ROM (Read Only Memory) 4, RAM (Random Access Memory) 5, Tempo Data Base (DB and (Abbreviated) 6, music content database 7, playlist database 8, tempo detection unit 9, display unit 10, operation input unit 11, decoder / amplifier unit 12, and communication unit 13 are connected.
- the decoder / amplifier section 1 2 is connected to the headphone 14.
- the content playback device 1 is portable, and the user can use the content playback device 1 to listen to music content while exercising such as walking, running, and gymnastics.
- the configuration of the content reproduction apparatus 1 will be described in detail.
- the RAM 5 is used as a work area when the CPU 3 executes a program, and is also used as a means for temporarily storing data generated during each process.
- the tempo database 6 stores the tempo of exercise (hereinafter referred to as exercise tempo) such as walking and running of the user detected by the tempo detection unit 9.
- exercise tempo the tempo of exercise
- the exercise tempo detected by the tempo detector 9 changes more than a certain value, the exercise tempo stored in the tempo database 6 is changed.
- a music content database 7 as an example of a content holding unit stores a plurality of music contents in association with meta information.
- the meta information is data describing the attributes of each music content, such as the song name, tempo, number of playbacks, genre, performance time, performer, etc. of the music content.
- the music content is stored in the music content database 7 together with a time stamp associated with the music content.
- the time stamp is data indicating time information (year, month, day, hour, minute, etc.) corresponding to when the music content is registered in the music content database 7.
- the time stamp is handled as one of the above-described meta information.
- the playlist database 8 stores a plurality of playlists created by the control of the CPU 3. Tempo de overnight 6.
- the music content database 7, the playlist list overnight base 8, for example, is composed of a hard disk. Of course, it is possible to divide the storage area of one hard disk and store the tempo, music content, and playlist in each. Further, the music content device 7 is not limited to a hard disk built in the content playback device 1, but may be a semiconductor memory or an optical disk that is detachable from the content playback device 1, for example.
- the tempo detection unit 9 is configured by, for example, an acceleration sensor attached to the main body of the content reproduction apparatus 1 or the headphone 14 and detects the user's exercise tempo.
- the exercise tempo is defined by the number of steps in which the time interval T from the landing of one foot to the landing of the other foot exists on average for a predetermined time, for example, 1 minute, in other words, the number of steps per minute. Therefore, if you are exercising such as walking and running at a high speed, there are many steps per minute.
- the tempo is the length of the heel, that is, the speed of the beat.
- a beat is a basic rhythm that is struck at equal intervals in music content, and a beat is an individual unit of time.
- the length of the beat varies depending on the music content and may change even within the same music content.
- BPM Beat per Minute
- BPM Beat per Minute
- the tempo detection unit 9 further performs processing corresponding to the music tempo in units of B PM from the detected exercise tempo. In this case, it is not limited to one-to-one correspondence, and an appropriate correction coefficient may be multiplied to compare the exercise tempo and the tempo of the music.
- the process of making the exercise tempo correspond to the tempo of the music may be executed in C P U 3.
- the tempo detection unit 9 is not limited to an acceleration sensor, and other speed sensors, pressure sensors, body motion acceleration sensors, position sensors, and the like can be used. Also, it is possible to detect the user's exercise tempo from the biological information by detecting biological information such as the user's pulse, skin sweating, skin resistance, myoelectric potential, and body surface temperature.
- the tempo detection unit 9 may be separated from the content playback device 1, and exercise tempo may be supplied to the content playback device 1 by performing wireless communication with the content playback device 1.
- the display unit 10 is configured by, for example, an LCD (Liquid Crystal Dspray), and the display unit 10 displays various information associated with the operation of the content playback device 1.
- the operation input unit 11 is a button or the like provided in a case of the content playback device 1 or a remote control device connected to the content playback device 1 wirelessly or via a wire. You can operate the operation input section 1 1 to play, fast forward, rewind, etc. music content. In addition, the user can freely create a playlist by operating the operation input unit 11.
- the display unit 10 described above may be configured as an evening panel and used as an operation input unit.
- the decoder / amplifier unit 1 2 is supplied from the music content database 7.
- the supplied music content data is decoded and D / A (Digital to Analog) conversion is performed on the decorated music content data.
- the music content data converted into an analog signal is amplified and supplied to the headphones 14. Music content is played from the headphones 14.
- the communication unit 13 has both functions of an interface for connection to the music content server 16 and an interface for connection to an external device such as a personal computer.
- the music content distribution server 16 is connected to and communicates with the music content distribution server 16 via the Internet 15, and the music content is downloaded from the music content distribution server 16.
- the downloaded music content is subjected to file conversion processing and encoding processing as necessary, and the processed music content is stored and registered in the music content overnight base 7.
- the content playback device 1 can be connected to a personal computer by, for example, USB (Universal Serial Bus) of the communication unit 13.
- Music content ripped from a recording medium such as an optical disk can be transferred from the personal computer to the content playback apparatus 1.
- playlist selection processing 21 is performed.
- the music content database 7 stores a plurality of music contents (schematically shown by symbols of individual notes in FIG. 2).
- music contents are allocated based on the tempo information of the meta information stored in association with the music contents, and a playlist is created.
- playlist 1 is created with music content having a tempo within the range of 0 to 60 BPM.
- playlist 2 is created by music content having a tempo in the range of 61-70 BPM.
- playlist 3 is created with music content having a tempo within the range of 71 to 80 BPM.
- a playlist is created for each range of 10 BPM, and a playlist 13 is created with music content with a tempo of 17 1 BPM or more.
- the playlists 4 to 12 are not shown in order to simplify the explanation. '
- a music content M 1 1 whose tempo included in the meta information is 55 BPM is allocated to playlist 1.
- Music content M 2 1 with a tempo of 6 7 B P M is assigned to playlist 2.
- Music content M3 1 with a tempo of 74 B PM is assigned to playlist 3.
- music content M 1 3 1 with a tempo of 1 75 BPM is allocated to playlist 1 3.
- music content M 1 1 is allocated to playlist 1
- music contents M 2 1 to M26 are allocated to playlist 2
- music contents M 3 1 Suppose that M3 9 is harmed to playlist 3, and music content M 1 3 1 and M 1 32 are allocated to playlist 1 3.
- meta information indicating the characteristics of the playlist is added to each playlist for each playlist.
- meta information of TP 60 is added to playlist 1.
- TP 60 in the meta information indicates that the play list corresponds to music content whose tempo included in the meta information is in the range of 0 to 60 BPM.
- Playlist 2 has meta information TP 70 added.
- Meta information TP 70 The tempo included in the meta information indicates a playlist corresponding to the music content in the range of 61-70 BPM.
- Meta information TP 80 is added to playlist 3.
- TP 80 in the meta information indicates that the tempo included in the meta information is a playlist corresponding to music content in the range of 71 to 80 BPM.
- Meta information called TP 1 71 is added to playlist 1 3.
- TP 1 71 in the meta information indicates that the playlist corresponds to music content whose tempo included in the meta information is 17 1 BPM or more.
- the playlist created in the playlist creation process 21 is stored in the playlist data 8 together with the meta information added to each playlist.
- the playlist selection process 22 is a process controlled by a selection signal generated by the CPU 3 based on information supplied from the tempo detection unit 9.
- Fig. 3 shows a change from a state where a person is stopped to walking, gradually increasing the walking speed, and further to a running state.
- the tempo detector 9 can obtain a tempo of approximately 0 to 60 BPM. Further, when a human is walking, the tempo detection unit 9 can obtain a tempo of approximately 61 BPM to 130 BPM. When a person is running, a tempo of 1 3 1 BPM or more can be obtained.
- playlist 1 (in FIG. Music content corresponding to playlist 1 is played.
- the tempo detection unit 9 obtains a tempo in the range of 61 to 70 BPM as the user's exercise tempo. If so, playlist 2 (represented as P 2 in FIG. 3) is selected, and the music content corresponding to playlist 2 is played.
- playlist 3 (represented as P 3 in FIG. 3) is selected. The music content corresponding to playlist 3 is played.
- the playlist corresponding to the user's exercise tempo obtained by the tempo detection unit 9 is selected, and the music content corresponding to the selected playlist is played.
- tempo detection unit 9 obtains 7 8 B PM as the user's exercise tempo.
- the detected exercise tempo (7 8 B P M) is supplied to C P U 3. Since the exercise tempo supplied from the tempo detection unit 9 is 7 8 BPM, the CPU 3 has a meta information of TP 80 from the playlists classified by tempo stored in the playlist database 8. A selection signal for selecting a list is generated. Playlist 3 with meta information T P 80 is selected by the generated selection signal
- the playlist selection process 22 a process for controlling the playback order of the music content allocated to the selected playlist is performed.
- the music content M 3 1 to M 39 assigned to playlist 3 was played back in random order, so the music content that the user wants to listen to may not be played immediately.
- the time stamp indicates the time information when the music content is acquired and registered in the music content database 7, so that the music content allocated to the playlist is displayed. Based on the time stamp, the screen is selected and played back.
- the user can reproduce the music content having the tempo substantially equal to his / her exercise tempo in the order of the registered time information.
- FIG. 4 is a flowchart showing the flow of content playback processing controlled by C P U 3 in this embodiment.
- the tempo detection unit 9 detects the exercise tempo. Since the user's exercise tempo changes every moment, for example, the exercise tempo is detected for P seconds and the average value is set as the user's exercise tempo. When the exercise tempo is detected, the process proceeds to step S2.
- step S2 the currently played music content is played for X seconds.
- X seconds are about 5 to 10 seconds. If no music content is playing, the process in step S2 is Not done. Subsequently, the process proceeds to step S3.
- step S3 a playlist selection process is performed.
- a playlist selection process a playlist corresponding to the exercise tempo detected from a plurality of playlists by tempo is selected.
- the music contents are selected from the music contents corresponding to the selected playlist, and the music contents are selected according to the time information registered based on the time stamp, and are reproduced. Subsequently, the process proceeds to step S4.
- step S 4 it is determined whether or not the difference between the exercise tempo detected by the tempo detection unit 9 and the tempo of the playlist corresponding to the music content being reproduced is equal to or greater than Y%. For example, it is determined whether or not there is a difference between the maximum value or the minimum value of the tempo of the playlist selected in step S 3 and the exercise tempo.
- the value of ⁇ is set so that the tempo of exercise and the tempo of music content can be recognized as almost the same in terms of hearing.
- the threshold value is set such that the difference between the maximum or minimum tempo of the playlist selected in step S3 and the exercise tempo is, for example, 5 ⁇ ⁇ ⁇ instead of comparing with relative values. It may be compared according to whether it is more than Anka. ⁇ If there is no% difference, the process proceeds to step S5.
- step S5 since the difference between the exercise tempo and the music content being played back and the tempo of the corresponding playlist is not more than a certain level, the music content continues to be played.
- the new music content is selected and reproduced from the playlist selected in step S3 for the next registered time information.
- step S4 If there is a difference of ⁇ % in step S4, the process proceeds to step S6, and a playlist is newly selected.
- step S6 The tempo detected by the port detector 9 is compared with the meta information of each tempo-specific playlist stored in the playlist database 8. Then, the process proceeds to step S3, and a playlist ⁇ corresponding to the newly detected exercise tempo is selected.
- music contents may be grouped using time stamps and played back randomly within each group.
- the music content corresponding to the selected playlist is stored in the music content database 7 within 3 days based on the current date, music content registered within 4-7 days, 8 to 1 Music content registered within 4 days and music content registered before 15 days are grouped. Then, the music content included in the group registered within 3 days may be played preferentially and randomly over other groups.
- the content playback apparatus 1 is not limited to a portable type, and may be a stationary type.
- the present invention can also be applied to a personal computer having a music content playback function.
- the present invention is not limited to a playback device dedicated to audio, and has other functions such as a mobile phone, a PDA (Personal Digital Assertants), a voice recording device, and a digital camera.
- the present invention can also be applied to a portable playback device.
- the time information indicating the time when the music content was registered in the music content overnight base 7 as described above the time information indicating the time when the music content was downloaded and the time information indicating when it was ripped from a recording medium such as an optical disk Indicates when the music content was re-encoded Time information may be used.
- playlists for each tempo are created in advance.
- a playlist is adaptively created according to the detected exercise tempo. It's okay. For example, a music content having a tempo in which 'C P U 3 is detected and a tempo of 5 B P M is selected from the music content database 7 and a playlist corresponding to the selected music content is created. Then, the music content may be played from the created playlist in the order of the newest time information registered in the music content database 7.
- music content has been described as an example of content, but the present invention can also be applied to content such as other videos, games, electronic books, and still images.
- time information indicating when a downloaded game is downloaded may be displayed in order from the newest.
- playlists are created by tempo, but when playlists by genre, artist, age, etc. are created as well, The present invention can be applied.
- each means constituting the playback device in the present invention can be configured by a dedicated hardware circuit, or can be realized by a method or a programmed computer.
- the program describing the processing contents can be recorded on a computer-readable recording medium such as a magnetic recording device, an optical disk, a magneto-optical disk, or a semiconductor memory.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physical Education & Sports Medicine (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Electrophonic Musical Instruments (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US12/160,452 US20110022594A1 (en) | 2006-01-03 | 2007-01-11 | Contents reproducing device, contents reproducing method, and program |
EP07706940A EP1973113A4 (en) | 2006-01-13 | 2007-01-11 | CONTENT FEEDING DEVICE, CONTENT PROCESS AND PROGRAM |
BRPI0706573-6A BRPI0706573A2 (pt) | 2006-01-13 | 2007-01-11 | aparelho e método de reprodução de conteúdo, e, programa |
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JP2006006255A JP2007188597A (ja) | 2006-01-13 | 2006-01-13 | コンテンツ再生装置およびコンテンツ再生方法並びにプログラム |
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EP (1) | EP1973113A4 (ja) |
JP (1) | JP2007188597A (ja) |
KR (1) | KR20080085862A (ja) |
CN (1) | CN101375337B (ja) |
BR (1) | BRPI0706573A2 (ja) |
RU (1) | RU2410769C2 (ja) |
TW (1) | TW200805307A (ja) |
WO (1) | WO2007081048A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
EP1973113A4 (en) | 2010-04-07 |
BRPI0706573A2 (pt) | 2011-04-05 |
RU2008128472A (ru) | 2010-01-20 |
KR20080085862A (ko) | 2008-09-24 |
RU2410769C2 (ru) | 2011-01-27 |
TW200805307A (en) | 2008-01-16 |
US20110022594A1 (en) | 2011-01-27 |
EP1973113A1 (en) | 2008-09-24 |
JP2007188597A (ja) | 2007-07-26 |
CN101375337A (zh) | 2009-02-25 |
CN101375337B (zh) | 2013-05-29 |
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