WO2005104125A1 - 記録再生装置、同時記録再生制御方法、および同時記録再生制御プログラム - Google Patents
記録再生装置、同時記録再生制御方法、および同時記録再生制御プログラム Download PDFInfo
- Publication number
- WO2005104125A1 WO2005104125A1 PCT/JP2005/007414 JP2005007414W WO2005104125A1 WO 2005104125 A1 WO2005104125 A1 WO 2005104125A1 JP 2005007414 W JP2005007414 W JP 2005007414W WO 2005104125 A1 WO2005104125 A1 WO 2005104125A1
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- WIPO (PCT)
- Prior art keywords
- recording
- data size
- data
- recorded
- recording medium
- Prior art date
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Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/806—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal
- H04N9/8063—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
Definitions
- the present invention relates to a recording / reproducing device, a simultaneous recording / reproducing control method, and a simultaneous recording / reproducing control program.
- the use of the present invention is not limited to the recording / reproducing apparatus, the simultaneous recording / reproducing control method, and the simultaneous recording / reproducing control program described above.
- This recording / reproducing apparatus can transfer an audio packet to a hard disk and store it, and can receive the audio packet stored in the hard disk and reproduce the original analog audio signal.
- the recording / reproducing device has two buffers each having a capacity capable of storing a predetermined number of audio packets, a file transfer buffer having an area, and management means for controlling writing and reading of audio packets in the file transfer buffer. Is provided.
- the management means switches the operation of each buffer area between writing and reading based on the number of voice packets accumulated in one buffer area (for example, see Patent Document 1 below). .).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-308643
- the recording / reproducing apparatus is a recording / reproducing apparatus for recording a series of continuously input content data on a recording medium, and the recording medium during recording processing by the recording processing means. Changing means for changing the data size of the content data to be recorded on the recording medium to a data size different from the data size when the content data already recorded on the recording medium is recorded; and Reproduction processing means for reproducing the content data recorded on the recording medium.
- a detecting step of detecting the number of recordings of the content data recorded on the recording medium with a predetermined data size, and a recording number detected by the detecting step include: And changing the data size for recording the content data to a data size different from the predetermined data size when the predetermined number of times has been reached.
- a simultaneous recording and reproduction control program according to the invention of claim 9 is characterized by causing a computer to execute the simultaneous recording and reproduction control method according to any one of claims 6 to 8. I do.
- FIG. 1 shows a hardware configuration of a recording / reproducing apparatus according to an embodiment of the present invention.
- FIG. 1 A first figure.
- FIG. 2 is a block diagram showing a functional configuration of a recording / reproducing apparatus according to an embodiment of the present invention.
- FIG. 3 is a flowchart illustrating a recording processing procedure according to an embodiment.
- FIG. 4 is a flowchart showing a reproduction processing procedure emphasizing the embodiment.
- FIG. 5 is a flowchart showing a simultaneous recording / reproducing control processing procedure that is applied to an embodiment.
- the recording / reproducing apparatus realize simultaneous recording / reproducing of a series of content data.
- the content data is electronic data related to images or sounds, for example, commercially available image contents such as movies, music live images, documentaries, and the like.
- Image information such as images recorded with Levi programs, images taken with a video camera, map data displayed on a navigation device, image content such as JPG and BMP, image display of component analysis data content, and music information representing music
- voice information such as conversation content and sound effects.
- FIG. 1 is a block diagram illustrating a hardware configuration of a recording / reproducing apparatus according to an embodiment of the present invention.
- the recording / reproducing apparatus includes a CPU 101, a ROM 102, a RAM 103, an HDD (node disk drive) 104, an HD (node disk) 105, a CDZDVD drive 106, and an example of a removable recording medium.
- CDZDVD 107 image Z audio IZF (interface) 108, display 109, speaker 110, input I / F (interface) 111, remote controller 112, input keys (including keyboard and mouse) 113, , A communication I / F (interface) 114 and a FIFO memory 115.
- the components 101 to 115 are connected by the bus 100! RU
- the CPU 101 governs overall control of the recording / reproducing device.
- the ROM 102 takes into account programs such as a boot program.
- the RAM 103 is used as a work area of the CPU 101.
- the HDD 104 controls read / write of data to / from the HD 105 under the control of the CPU 101.
- the HD 105 fetches data written under the control of the HDD 104. .
- the CDZDVD drive 106 controls read / write of data from / to the CDZDVD 107 under the control of the CPU 101.
- the CDZDVD 107 is a removable recording medium from which data recorded under the control of the CDZDVD drive 106 is read.
- a writable recording medium can be used as the CDZDVD 107.
- the removable recording medium may be a CDZDVD107, a CD-ROM (CD-R, CD-RW), an MO, a memory card, or the like.
- An image Z audio IZF (interface) 108 is connected to a display 109 for image display and a speaker 110 (or headphones) for audio output.
- the display 109 includes cursors, icons, menus, windows, or toolboxes, as well as text. And various data such as images.
- a CRT, a TFT liquid crystal display, a plasma display, or the like can be employed.
- the speaker 110 also outputs sound.
- the input IZF 111 inputs data transmitted from a remote controller 112 provided with a plurality of keys for inputting characters, numerical values, various instructions, and the like, and input keys (including a keyboard and a mouse) 113. I do. Input keys (including a keyboard and a mouse) 113 are provided with keys for inputting characters, numerals, various instructions, and the like, and input data by a user operation.
- the communication IZF114 is wireless, or is connected to a network 120 such as the Internet through a communication line and is connected to other devices through the network 120.
- the communication IZF 114 controls an interface between the network 120 and the CPU 101, and controls input and output of data from external devices.
- the network 120 includes a LAN, a WAN, a public line network and a mobile phone network.
- the FIFO memory 115 stores the data in the CDZDVD 107 read by the CDZDVD drive 106 in the reading order, and when the stored data is taken out and used, the data stored earlier in the stored order is used. Output from In addition, the data received from the communication IZF 114 is stored in the order in which it was received, and when the stored data is taken out and used, it is output from the data stored earlier in the order in which it was stored. Further, when the data in the HD 105 read by the HDD 104 is stored in the reading order and the stored data is taken out and used, the image Z sound IZF108 Output to
- FIG. 2 is a block diagram showing a functional configuration of the recording / reproducing apparatus according to the embodiment of the present invention.
- the recording and reproducing apparatus 200 includes a recording processing section 201, a recording unit 2 02, and the reproduction processing unit 203, and a control unit 204..
- the recording processing unit 201 includes a data input unit 210, a data compression unit 213, and recording buffers 214 and 215.
- the data input section 210 continuously inputs content data from the outside when a simultaneous recording / playback start signal is input by an operation input section 240 described later.
- the data input unit 210 includes a data reading unit 211 and a data receiving unit 212.
- the data reading unit 211 reads the content data from the CDZDVD 107 on which the content data is recorded, and inputs the content data into the recording / reproducing device 200.
- the data receiving section 212 inputs content data into the recording / reproducing apparatus 200 by receiving the content data from the network 120.
- the function of the data reading unit 211 is realized by the CDZDVD drive 106 shown in FIG.
- the data receiving unit 212 realizes its function by the communication IZF 114 shown in FIG.
- Data compression section 213 compresses the content data continuously input from data input section 210 at a default bit rate that has been previously set.
- the data compression method is performed according to well-known standards such as MPEG.
- the data compression unit 213 realizes its function by the CPUIOI executing a program stored in a recording medium such as the ROM 102, the RAM 103, the HD 105, and the CDZDVD 107 shown in FIG. .
- the recording buffer 214, 215 holds the compressed data compressed by the data compression unit 213, the held order forces also transferred to the recording medium 220.
- both recording buffers 214 and 215 record compressed data in a time-division manner. Compressed data stored in one of the recording buffer 214 (or 215) is written in the recording medium 220, while Ru, become empty! The compressed data is stored in the other recording buffer 215 (or 214).
- the recording buffer 214, 215, in a steady state transfers to the thus compressed data into the recording medium 220 a predetermined amount of transfer data (data size).
- the compressed data is transferred to the recording medium 220 with a transfer data amount (data size) that does not cause sound interruption during reproduction.
- the recording buffers 214 and 215 realize their functions by, for example, the FIFO memory 115 shown in FIG.
- the recording unit 202 includes a recording medium 220 and a data writing / reading unit 221.
- the recording medium 220 records the compressed data transferred from the recording buffer.
- This recording medium 220 is, for example, a RAM 103 or an HD10 shown in FIG. 5 realizes that function.
- Data write Z reading unit 221 writes the compressed data transferred from the recording buffer 214, 215 on the recording medium 220.
- a playback start signal is received from a playback start signal transmission unit 246 described later, reading of the compressed data recorded on the recording medium 220 is started and written into the playback buffers 230 and 231.
- the function of the data write / Z read unit 221 is realized by, for example, the HDD 104 shown in FIG.
- reproduction processing ⁇ 203 includes a reproduction Bruno Ffa 230, 231, a decoding ⁇ 232 is configured reproduced ⁇ 233 and force al.
- Reproduction buffer transfers writes compressed data recorded on the recording medium 220 is rare, the written order to the decoding unit 232.
- the two playback buffers 230 and 231 transfer the compressed data in a time-division manner. While the compressed data stored in one of the playback buffers 230 (or 231) is being transferred to the decoding unit 232, the compressed data is compressed from the recording medium 220 into the other playback buffer 231 (or 230) that is empty. Write data.
- the functions of the reproduction buffers 230 and 231 are realized by, for example, the FIFO memory 115 shown in FIG.
- the decoding unit 232 decodes the compressed data transferred from the reproduction buffers 230 and 231. Note that the decoding method is in accordance with well-known standards such as MPEG. More specifically, the decoding unit 232 realizes its function by the CPU 101 executing a program stored in a recording medium such as the ROM 102, the RAM 103, the HD 105, and the CDZDVD 107 shown in FIG.
- the reproducing unit 233 reproduces the content data decoded by the decoding unit 232. Specifically, when the content data is audio content data, the music is output. When the content data is video content data, a video is displayed.
- the playback unit 233 is, specifically, for example, is implemented by the image Z sound IZF108, Display I 109 or speaker 110 shown in FIG.
- the control unit 204 controls the simultaneous recording and reproduction of the content data recorded on the recording medium 220 during the recording process of a series of continuously input content data on the recording medium 220.
- the control unit 204 includes an operation input unit 240, a bit rate transmission unit 241, a data size determination unit 243, a data size extraction unit 244, a number detection unit 245, and a reproduction start signal transmission unit 2 46, and a data size changing unit 247.
- the operation input unit 240 accepts an input of a simultaneous recording / reproduction start signal and an input of a change in bit rate when the user operates the remote controller 112 and the input keys 113 shown in FIG.
- the function of the operation input unit 240 is realized by the input IZF 111 shown in FIG.
- the bit rate transmitting section 241 transmits to the data size extracting section 244 the default bit rate set in advance or the bit rate changed and input by the operation input section 240. Specifically, the bit rate transmission unit 241 realizes its function by the CPU 101 executing a program stored in a recording medium such as the ROM 102, the RAM 103, the HD 105, and the CDZDVD 107 shown in FIG. .
- the data size determining unit 243 includes a data size corresponding to the bit rate transmitted by the bit-rate transmission section 241.
- the data size determination unit 243 will be specifically described.
- the data size compressed at the default bit rate A is referred to as data size B.
- Compression time C is required for data compression.
- the time for writing the compressed data on the recording medium 220 and the time for reading the written compressed data are referred to as time D. This time D is almost constant regardless of the amount of compressed data.
- the time for decoding and reproducing the compressed data of data size B is defined as a reproduction time F. If the next compressed data (second time) is ready, no sound interruption will occur. Therefore, by satisfying the following conditional expression, the data size B is the minimum data size at which sound is not cut off during reproduction.
- the data size determination unit 243 described above is set so as to satisfy the following conditional expression (1).
- the data size determining unit 243 realizes its function by a recording medium such as the ROM 102, the RAM 103, the HD 105, and the CDZDVD 107 shown in FIG.
- Data size extraction section 244 extracts from data size determination section 243 the data size corresponding to the bit rate transmitted by bit rate transmission section 241. This data size More specifically, the extraction unit 244 realizes its function by causing the CPU 101 to execute a program stored in a recording medium such as the ROM 102, the RAM 103, the HDIO 5, and the CDZDVD 107 shown in FIG.
- the number-of-times detecting unit 245 counts the number of times of writing of the compressed data compressed by the data compressing unit 213, and detects whether the counted number of times of writing reaches a predetermined number n. More specifically, the data amount obtained by multiplying the predetermined number n by the data size is set to a predetermined number n so that the reproduction processing unit 203 has a data amount of about a degree without interruption in reproduction.
- the number-of-times detecting section 245 specifically has its function executed by the CPU 101 executing a program stored in a recording medium such as the ROM 102, the RAM 103, the HD 105, and the CDZDVD 107 shown in FIG. Realize.
- the reproduction start signal transmission unit 246 transmits a reproduction start signal to the data write Z read unit 221 when the count detection unit 245 detects that the counted number of writes has reached the predetermined number n. .
- the reproduction start signal transmission unit 246 realizes its function by the CPU 101 executing a program stored in a recording medium such as the ROM 102, the RAM 103, the HD 105, and the CDZDVD 107 shown in FIG. I do.
- the data size changing unit 247 sends the compressed data to be written from the recording buffers 214 and 215 to the recording medium 220. Is changed to the data size extracted by the data size extraction unit 244. Specifically, the data size changing unit 247 is executed by the CPU 101 executing a program stored in a recording medium such as the ROM 102, the RAM 103, the HD 105, and the CD / DVD 107 shown in FIG. Implement the function.
- FIG. 3 is a flowchart illustrating a recording processing procedure according to the embodiment.
- a series of content data is continuously input (step S302). If there is no input for changing the bit rate (step S303: No), compression processing is performed at the default bit rate (step S304). On the other hand, changing the bit rate If there is an input (step S303: Yes), compression processing is performed at the changed bit rate (step S305).
- step S306 write the compressed data in the recording buffer 214, 215 (step S306), and records are transferred to the recording medium 220 (step S307).
- step S308: Yes when there is content data (step S308: Yes), the process proceeds to step S302.
- step S308: No the recording process ends.
- FIG. 4 is a flowchart illustrating a reproduction processing procedure according to the embodiment.
- Step S401 Yes
- the compressed data is read from the recording medium 220 and written to the reproduction buffers 230 and 231 (Step S402).
- Step S403 reproduction Roh Ffa 230, 231 Chikararakawa Next transferred comes to decode the compressed data (step S403).
- Step S404 the decoded content data is reproduced (step S404). Then, when the compressed data is present on the recording medium 220 (Step S405: Yes), the process proceeds to Step S402. On the other hand, if the compressed data does not exist on the recording medium 220 (step S405: No), the reproduction process ends.
- FIG. 5 is a flowchart illustrating a simultaneous recording / reproducing control processing procedure according to the embodiment.
- a simultaneous recording / playback start input is received (step S501: Yes)
- a default bit rate is transmitted (step S502).
- the process in step S501 is the same as the process in step S301 shown in FIG.
- step S503 a data size corresponding to the bit rate is extracted from the data size determination unit 243 (step S503), and the data size of the compressed data to be recorded on the recording medium 220 is changed to the extracted data size (step S504). ). Thereby, the data transfer amount of the recording buffers 214 and 215 is changed.
- step S505 when the number of times of writing to the recording medium 220 has reached n (step S505: Yes), the number of times of writing is reset to “0” (step S506). Then, a reproduction start signal is transmitted to the data write / Z read unit 221 (step S507), and the data size of the compressed data recorded on the recording medium 220 is changed to the default data size (step S508). [0051] Then, when a change in the bit rate is input (step S509: Yes), the changed bit rate is transmitted (step S510), and the process proceeds to step S503.
- step S509 No
- step S511 No
- step S511 Yes
- step S511 Yes
- the data size to be written to the recording medium 220 is made smaller than the default data size, and the amount of reproducible data is accumulated in the recording medium 220.
- the writing frequency can be reduced and the performance of the recording / reproducing device 200 can be improved.
- the data size to be written to the recording medium 220 is made smaller than the default data size according to the changed bit rate. By doing so, it is possible to perform a quick reproduction process without interruption of the reproduction.
- the data size is reduced to transfer the content data to the recording medium.
- the user can view the content data reproduced at the same time as the recording of the content data, so that an illusion such as an operation error or a device abnormality due to a delay in reproduction start does not occur. Therefore, it is possible to enjoy the viewing of the content data without causing annoyance of waiting for the reproduction. Further, after the start of regeneration, by reducing the write frequency with by increasing the data size, it is possible to improve the simultaneous recording and reproduction performance of the recording and reproducing apparatus.
- a program prepared in advance is executed by a computer such as a personal computer or a workstation. And can be realized.
- This program is recorded on a computer-readable recording medium 220 such as a hard disk, a flexible disk, a CD-ROM, an MO, and a DVD, and is executed by being read from the recording medium 220 by the computer.
- the program may be a transmission medium that can be distributed via a network such as the Internet.
- the recording / reproducing device 200 that is used in the above-described embodiment includes, for example, a CD player, an MD player, an MD recorder, a DVD player, a DVD recorder, a player using compressed data such as MP3 and WMA, a car navigation device, Can be applied to Further, the recording and reproducing device 200, for example, audio-visual equipment (domestic, commercial, automotive, portable) can also be used as. In addition, network-type audio-visual distribution receiving devices (server and client systems), real-time analysis and analysis result output devices, TTS (Text To Speech) speech synthesizers, automatic translation interpreters, component analysis result display devices, etc. Can be applied.
- a CD player for example, a CD player, an MD player, an MD recorder, a DVD player, a DVD recorder, a player using compressed data such as MP3 and WMA, a car navigation device
- audio-visual equipment domestic, commercial, automotive, portable
- network-type audio-visual distribution receiving devices server and client systems
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/587,343 US7974518B2 (en) | 2004-04-26 | 2005-04-18 | Record reproducing device, simultaneous record reproduction control method and simultaneous record reproduction control program |
EP05730687A EP1742214A4 (en) | 2004-04-26 | 2005-04-18 | RECORDING DEVICE RECORDED, SIMULTANEOUS RECORDING CONTROL METHOD FOR RECORDING AND SIMULTANEOUS RECORDING CONTROL PROGRAM FOR RECORDING |
JP2006512536A JP4191221B2 (ja) | 2004-04-26 | 2005-04-18 | 記録再生装置、同時記録再生制御方法、および同時記録再生制御プログラム |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004130263 | 2004-04-26 | ||
JP2004-130263 | 2004-04-26 |
Publications (1)
Publication Number | Publication Date |
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WO2005104125A1 true WO2005104125A1 (ja) | 2005-11-03 |
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PCT/JP2005/007414 WO2005104125A1 (ja) | 2004-04-26 | 2005-04-18 | 記録再生装置、同時記録再生制御方法、および同時記録再生制御プログラム |
Country Status (5)
Country | Link |
---|---|
US (1) | US7974518B2 (ja) |
EP (1) | EP1742214A4 (ja) |
JP (1) | JP4191221B2 (ja) |
CN (1) | CN1947196A (ja) |
WO (1) | WO2005104125A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008052817A (ja) * | 2006-08-24 | 2008-03-06 | Matsushita Electric Ind Co Ltd | 記録再生装置およびコンパニオンシステム |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008054208A (ja) * | 2006-08-28 | 2008-03-06 | Funai Electric Co Ltd | 再生装置 |
JP5971550B2 (ja) * | 2011-03-28 | 2016-08-17 | ヤマハ株式会社 | オーディオデータ入力装置および出力装置 |
Citations (3)
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JP2000322828A (ja) * | 1999-05-12 | 2000-11-24 | Toshiba Corp | 情報記録再生装置及び情報記録再生装置 |
JP2003523040A (ja) * | 2000-02-11 | 2003-07-29 | エルジー エレクトロニクス インコーポレーテッド | 再記録可能な記録媒体へのオーディオデータ記録方法 |
JP2004048138A (ja) * | 2002-07-09 | 2004-02-12 | Nec Corp | 動画データ圧縮装置,及び動画データ圧縮方法 |
Family Cites Families (4)
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WO1999017289A1 (fr) * | 1997-09-29 | 1999-04-08 | Sony Corporation | Enregistrement de donnees intermittent: appareil, controleur, et procedes correspondants |
DE60012972T2 (de) * | 1999-11-10 | 2005-09-08 | Thomson Licensing S.A., Boulogne | Digitalvideo-Aufzeichnung mit Aufzeichnung von Vollbild-Unterbildern und diesen zugeordneten Transparenz-Steuerdaten zum Überblenden zwischen aufeinanderfolgenden Videosegmenten bei der Wiedergabe |
JP2003022604A (ja) | 2001-07-06 | 2003-01-24 | Toshiba Corp | デジタル記録再生装置 |
JP2003308643A (ja) * | 2002-04-09 | 2003-10-31 | Toa Corp | 書き込み・読み出し可能な記憶媒体を用いた録音再生装置 |
-
2005
- 2005-04-18 CN CNA2005800132599A patent/CN1947196A/zh active Pending
- 2005-04-18 US US11/587,343 patent/US7974518B2/en not_active Expired - Fee Related
- 2005-04-18 WO PCT/JP2005/007414 patent/WO2005104125A1/ja active Application Filing
- 2005-04-18 EP EP05730687A patent/EP1742214A4/en not_active Withdrawn
- 2005-04-18 JP JP2006512536A patent/JP4191221B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000322828A (ja) * | 1999-05-12 | 2000-11-24 | Toshiba Corp | 情報記録再生装置及び情報記録再生装置 |
JP2003523040A (ja) * | 2000-02-11 | 2003-07-29 | エルジー エレクトロニクス インコーポレーテッド | 再記録可能な記録媒体へのオーディオデータ記録方法 |
JP2004048138A (ja) * | 2002-07-09 | 2004-02-12 | Nec Corp | 動画データ圧縮装置,及び動画データ圧縮方法 |
Non-Patent Citations (1)
Title |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008052817A (ja) * | 2006-08-24 | 2008-03-06 | Matsushita Electric Ind Co Ltd | 記録再生装置およびコンパニオンシステム |
Also Published As
Publication number | Publication date |
---|---|
CN1947196A (zh) | 2007-04-11 |
US20070160348A1 (en) | 2007-07-12 |
US7974518B2 (en) | 2011-07-05 |
EP1742214A4 (en) | 2009-07-22 |
EP1742214A1 (en) | 2007-01-10 |
JPWO2005104125A1 (ja) | 2008-07-31 |
JP4191221B2 (ja) | 2008-12-03 |
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