WO2002050834A1 - Reproducing device, reproducing method and audio data storage medium - Google Patents
Reproducing device, reproducing method and audio data storage medium Download PDFInfo
- Publication number
- WO2002050834A1 WO2002050834A1 PCT/JP2001/009647 JP0109647W WO0250834A1 WO 2002050834 A1 WO2002050834 A1 WO 2002050834A1 JP 0109647 W JP0109647 W JP 0109647W WO 0250834 A1 WO0250834 A1 WO 0250834A1
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- WO
- WIPO (PCT)
- Prior art keywords
- audio data
- data
- compressed audio
- uncompressed
- compressed
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
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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
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1262—Formatting, e.g. arrangement of data block or words on the record carriers with more than one format/standard, e.g. conversion from CD-audio format to R-DAT format
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to 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
- G11B20/00007—Time or data compression or expansion
-
- 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
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B2020/1087—Digital recording or reproducing wherein a selection is made among at least two alternative ways of processing
- G11B2020/10888—Digital recording or reproducing wherein a selection is made among at least two alternative ways of processing the kind of data being the selection criterion
Definitions
- the present invention relates to an audio data reproducing apparatus, and more particularly to an apparatus capable of reproducing an audio data storage medium in which uncompressed audio data and compressed audio data are mixed.
- CD-DA Compact Audio
- a CD-DA can record 74 minutes of digital signal on a 12 cm diameter disc.
- audio data compression technologies such as MP3 (MPEG-1 Audio Layer-Ill), ATRAC 3 (Adaptive Transform Acoustic Coding3), and WMA (Windows Media Audio) have been developed. More and more users enjoy music at computer evenings using audio data compressed by technology. These compression techniques have the characteristics that the capacity of audio data by CD-DA can be reduced to, for example, about 1/10, and the sound quality does not deteriorate much.
- uncompressed audio data by CD-DA has a limit of about 74 minutes on a single disk, whereas compressed audio data has a limit of 700 on a single disk. Recording for more than a minute is possible.
- Compressed audio data can be written to, for example, a Recordable CD (Recordable Compact Disc), and some audio devices that can play Recordable CDs with compressed audio / video data have appeared.
- An object of the present invention is to provide an audio device that can more effectively utilize uncompressed audio data and compressed audio data. Disclosure of the invention
- CD-DA audio 'data files It is possible to write both CD-DA audio 'data files and other types of data-files.
- CD-Extras Two formats of this type of disc: Mixed-mode CDs (Enhanced CDs, also known as CD-Extras).
- Mixed-mode CD is a CD (Compact Disc) that stores data tracks, audio and tracks on a single medium. More specifically, as shown in FIG. 6, the data track and the CD-DA track are written in this order in one session.
- the data track is a track area storing data (combination data) in a format that can be processed by a computer
- the CD-DA track stores uncompressed audio data by CD-DA.
- Mixed mode CDs are often used in games and software. In this case, the game program is written on the data track and the background music for the game is written on the CD-DA track.
- Mix 'mode CDs are essentially a standard for personal computers.
- the enhanced CD has a first session, a second session, and two sessions.
- a CD-DA track is written in the first session, and a data track is written in the second session.
- the second session is stored in a mode that can record moving images, images, and programs. In many cases, this second session contains video clips, photo books, mini 'games, screens', etc.
- the music CD player recognizes only the CD-DA track of the first session, so it plays only the inner CD-DA track as a CD-DA disc. Therefore, the problem of noise generation does not occur.
- the CD-ROM player will only recognize and process the overnight tracks of the second session.
- the present invention provides a medium in which uncompressed audio 'data' such as CD-DA and compressed audio data as computer 'data are mixed, and the uncompressed audio data of such medium is provided.
- a playback device that can play both compressed audio data.
- the present invention is a reproducing apparatus for reproducing a medium storing audio data, and judges that compressed audio 'data and uncompressed audio data are mixed in a predetermined medium received. And a playback mechanism capable of playing back compressed audio data and uncompressed audio data stored in the medium based on the determination result of the determination unit. It is a playback device.
- the compressed audio data can have a format as convenience data.
- the playback device of the present invention can determine that compressed audio data and uncompressed audio data are mixed, and can play back audio data based on the determination result.
- Media that has a mixture of data and uncompressed audio data can be played without changing media.
- conventional audio devices do not assume that compressed audio data and uncompressed audio data are mixed on a single disk, and thus have not determined this mixing.
- the determination unit determines whether the data storage in the session It is only necessary to judge that compressed audio data and uncompressed audio data are mixed in the area.
- the current mixed mode CD data tracks and CD-DA tracks are written in this order in one session as described above. Therefore, if it is possible to recognize that a given medium is a mixed mode CD and that there is compressed audio data in its data track, compressed data and uncompressed audio data will be stored in the data storage area in the session. It can be determined that data is mixed.
- the determination unit when the predetermined medium accepted by the reproducing apparatus has at least two sessions each composed of a lead-in, a data storage area, and a lead-art, the determination unit includes: Compressed audio data is stored in data storage in one session of one session and uncompressed audio is stored in data storage in the other session. What is necessary is just to determine that the data is stored.
- the current enhanced CD has a CD-DA track in the first session and a data track in the second session. Therefore, if a given medium has two sessions and it can be recognized that the compressed audio data exists in the second session, the compressed audio data and the uncompressed audio data are mixed. It is judged that the medium is in use.
- CD A medium that stores only DA data and a medium that stores only compressed audio data can be played.
- a session is a unit of area that combines the three storage parts of lead-in, data storage area, and lead-out, and lead-in is information about data storage location. At least, and the readout contains information indicating that this is the last part of the session.
- the concepts of session, lead-in, and lead-out in the present invention follow the well-known concept described above.
- the present invention also relates to a reproducing apparatus for reproducing a medium storing audio data, comprising: a reproducing mechanism including a compressed audio data reproducing mode and an uncompressed audio data reproducing mode; A determination unit that determines whether one or both of uncompressed audio data and compressed audio data are stored in the storage unit, a control unit that selects a playback mode in the playback mechanism based on a determination result of the determination unit, The control unit selects the uncompressed audio data playback mode when the determination unit determines that only uncompressed audio data is stored as audio data in the predetermined medium. And only the compressed audio data is stored as audio data on the predetermined medium. The compressed audio data reproduction mode is selected, and both the uncompressed audio data and the compressed audio data are stored in the predetermined medium. If the determination unit determines, the compression audio / data reproduction mode and the non-compression audio / data reproduction mode are both selected.
- a playback device is provided.
- This playback device determines what audio data is stored on the medium and selects a playback mode based on the determination result, so that the user can enjoy music without worrying about the format of the medium. I can do it.
- a medium in which both compressed audio data and uncompressed audio and video data are stored can be reproduced without replacing the medium.
- the determination unit when the predetermined medium accepted by the playback device includes a session including a lead-in, a data storage area, and a read-out, stores the data in the data storage area in the session.
- the determination unit By recognizing that uncompressed audio data and other types of data are stored, and by recognizing that compressed audio data is included in other types of data, it can be stored on a given medium. It can be determined that both uncompressed audio data and compressed audio data are stored.
- the determination unit recognizes whether or not the predetermined medium includes a plurality of sessions, and at least one of the plurality of sessions includes the compressed audio data. By recognizing that the uncompressed audio data and the compressed audio data are both stored in the predetermined medium, it is possible to determine that the data is stored in the predetermined medium.
- the present invention is a method of reproducing a medium storing audio data by a reproducing apparatus, wherein the medium received by the reproducing apparatus is one of uncompressed audio data and compressed audio data or It is characterized in that it is determined whether or not both are stored, and based on the result of the determination, the audio data stored in the received medium is reproduced.
- the reproducing method of the present invention when it is determined that the received medium stores both the uncompressed audio data and the compressed audio data, the uncompressed audio data and the compressed audio data are stored. ⁇ One of the data can be played back once, and then the other data can be played back continuously.
- FIG. 1 is a block diagram showing a configuration of an audio device according to the present embodiment.
- FIG. 2 is a flowchart showing a reproduction process of the audio device according to the present embodiment.
- FIG. 3 is a flowchart showing a reproduction process of the audio device according to the present embodiment.
- FIG. 4 is a diagram showing a CD-DA file structure.
- FIG. 5 is a diagram showing a file structure of CD-ROM.
- FIG. 6 is a diagram showing a file structure of the mixed .mode CD.
- FIG. 7 is a diagram showing a file structure of the enhanced CD. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a block diagram showing a system configuration of the audio device 10 according to the present embodiment.
- the audio device 10 is composed of a mechanical deck 11, a main microcomputer 12, a display 13, operation keys 14, a power supply 15, an amplifier 16, and a speaker 17. You.
- the mechanical deck 1 1 is a spindle motor that drives the disk 1 to rotate. 2, a pickup 3 for reading data from the disk 1, an RF (Radio Frequency) amplifier 4, a motor driver 5, a CD DSP (Digital Signal Processor) & Service 6, and a microcomputer ( A decoder 8 composed of a CD-ROM decoder and a compressed audio decoder, and a DAC (D / A converter) 9.
- RF Radio Frequency
- CD DSP Digital Signal Processor
- a decoder 8 composed of a CD-ROM decoder and a compressed audio decoder, and a DAC (D / A converter) 9.
- the main microcomputer 12 controls the entire audio device 10.
- a display unit 13 and operation keys 14 are connected to the main microcomputer 12.
- the main microcomputer 12 instructs the microcomputer 7 of the mechanical deck section 11 to perform the operation.
- the display unit 13 displays the operation status of the audio device 10 and other information.
- the audio device 10 has two modes: a mode for playing back uncompressed audio data by CD-DA and a mode for playing back compressed audio data by MP3, etc. There are two modes, and one can be selected.
- compressed audio data and uncompressed audio data are collectively referred to.
- MP3 will be described as an example of compressed audio data.However, it can be applied to other formats of compressed audio data such as ATRAC3, WMA, etc. Needless to say.
- disc 1 can be selected from CD-DA disc, mixed mode CD, and enhanced CD. Sometimes works.
- This playback mode can function when the disc 1 is one of a CD-ROM disc, a mixed mode CD, and an enhanced CD.
- the motor driver 2 rotates the spindle 2 with the disc 1 and the motor 2.
- Pickup 3 reads audio data as computer data from the rotating disk 1 in CD-ROM format.
- the audio data read from Pickup 3 is amplified by RF amplifier 4 and demodulated by CD DSP & Service 6 ( The operation up to this point is the playback of uncompressed audio data by CD-DA and
- the signal demodulated by the CD DSP & Service 6 is demodulated into the CD-ROM format in the CD-ROM decoder section of the decoder 8, and audio data such as MP3, I mean Extract compressed audio data.
- the extracted compressed audio data is demodulated into audio data by CD-DA in the compressed audio decoder section of the decoder 8.
- the CD-DA audio data is converted into an audio signal in the DAC 9 and output to the amplifier 16.
- the audio signal amplified by the amplifier 16 is reproduced via the speaker 17.
- the above series of processing is controlled by the microcomputer 7 based on the instruction of the main microcomputer 12.
- the audio device 10 is The format of the disc 1 can be analyzed, and the playback mode can be selected according to the analysis result. This analysis is based on recognizing whether Disc 1 falls under one of the following formats: CD-DA, CD-ROM, mixed-mode CD, enhanced CD, and other format CD.
- Figure 4 shows the file structure of Disc 1 in CD-DA format.
- CD-DA the lead-in, CD-DA track, and lead-out are arranged in order from the inner circumference side of disk 1.
- a session a unit that starts with a lead-in and ends with a lead-art.
- Lead-in includes T ⁇ C (Table Of Contents).
- T ⁇ C contains information in the CD-DA track, that is, information on the start time of each track (each song) and a data storage area (this In this case, the data in the CD-DA track includes information that the audio data is recorded by the CD-DA.
- the TOC also contains information on whether the session is singular or plural. The same information is included in the TOC of a disc in another format.
- FIG. 5 shows the file structure of the disk 1 in the CD-ROM format.
- CD-ROM is an evolution of CD-DA developed for music, and its standard is defined in the “Yellow One's Book” as a medium for storing data handled by computers.
- the CD-ROM has a read-in, PVD (Primary Volume Descriptor), path table, data track, and read-out arranged in order from the inner circumference of disk 1. . It is the same as CD-DA that a session shows one unit that starts with a lead-in and ends with a lead-art.
- the lead-in includes the TOC, and by referring to the TOC, it is possible to recognize that the computer data is stored in the data track.
- Overnight ⁇ Track contains one or more songs. This song is written as compressed audio 'data, eg MP3.
- This compressed audio file has a format of computer data. The presence of compressed audio data can be confirmed by referring to the PVD and the path table.
- FIG. 6 shows the file structure of a mix 'mode CD.
- a mix 'mode CD stores a data track and an audio track on one medium. That is, a mix 'mode CD is a disc From the inner side of 1, lead 'in, PVD, path table, data track, CD-DA track, lead' out are arranged in order.
- the data track contains one or more songs. This song is written as compressed audio data, eg MP3.
- CD—A DA track contains one or more songs.
- This song is written as uncompressed audio 'data.
- a mixed mode CD it is a music medium in which compressed audio data and uncompressed audio data are mixed. It is the same as CD-ROM format that computer data other than compressed audio data can be written to the data track.
- Figure 7 shows the file structure of the Enhanced CD.
- enhanced CDs have two sessions on a single medium, and their standards are defined by the “bull-book”.
- the enhanced CD is the first lead-in, CD-DA track, the first lead-out, the second lead-in, PVD, pastel, data from the inner circumference side of the disc 1. Tracks and second read-outs are arranged in order.
- compressed audio data can be written to tracks and uncompressed audio data can be written to CD-DA tracks.
- an enhanced CD is a music medium in which compressed audio and data are mixed with uncompressed audio data.
- a mixed' mode CD has only one session, whereas an enhanced CD has two sessions, a first session and a second session.
- a mix 'mode CD has a data track and a CD-DA track in one session, while an enhanced CD has a data track or a CD in one session. —Only one of the DA tracks is present.
- CD-DA, CD-ROM, mixed-mode CD, and enhanced CD have differences in the file structure as described above, so refer to the file structure to determine which format disc 1 corresponds to. Can be determined.
- FIGS. 2 and 3 the process of analyzing the disk-format of the disk 1 mounted on the audio device 10 and reproducing the audio data based on the analysis result is shown in the flow charts shown in FIGS. 2 and 3.
- the explanation is based on this.
- the processing of the flowchart shown in FIGS. 2 and 3, t 2 and 3 are executed by the program installed in the microcomputer 7 of Mekade luck unit 1 1 a series of process flow in Odo equipment 1 0 shows Figure 2 shows the processing when Disk 1 is in CD-ROM format or mixed-mode CD, and Figure 3 shows the processing when Disk 1 is in CD-DA format, enhanced CD format or other format. Is shown.
- the TOC (Table Of Contents) of the lead-in is referenced via the pickup 3 (S101).
- the lead-in on the inner side of the disk is accessed first. Therefore, in the case of an enhanced CD containing two sessions, you will refer to the TOC in the first session.
- this disc 1 has data tracks and CD-DA tracks because all the tracks are not CD-DA according to the determination in S102. It can be recognized as a medium mixed in one session. That is, the disc 1 is determined to be the mix mode CD (S104).
- Disc 1 is a mixed-mode CD, there is no guarantee that the compressed audio data will be in the overnight track. Therefore, it is determined whether or not compressed audio data exists in the data track (S105). This determination can be made by referring to the PVD and the path table and searching for the presence or absence of an extension indicating compressed audio data. As mentioned above, for example, if the extension of MP3 is “mp3”, if this extension “mp3” can be found, compressed audio data exists in the data track Can be confirmed. In the end, the disc 1 is determined to be a medium in which the compressed audio data and the uncompressed audio data are mixed.
- the audio device 10 selects the compressed audio data playback mode and selects the compressed audio track. Play the compressed audio data (S106). After playing back the compressed audio data in the data track, the audio device 10 selects the uncompressed audio / data playback mode and plays back the uncompressed audio data in the CD-DA track ( S107).
- the audio device 10 selects the non-compressed audio data playback mode and sets the CD-DA. Play the uncompressed audio data in the track (S107).
- processing after S110 is a processing in the case where it is determined in S102 that all the data of CD-DA is stored in all the tracks.
- the disc 1 determines whether or not the disc 1 has the second session (S110). The presence or absence of the second session can be determined based on the information in the TOC. Here, if the second session does not exist, the disc 1 has one session, and all tracks in the session are recorded with audio data by CD-DA according to the judgment of S102. Therefore, it is determined that the disc is a CD-DA format disc (S117). CD—If you determine that the disc is in DA format, audio device 10 is uncompressed audio. Select the data playback mode and play uncompressed audio data in the CD-DA track (S118).
- the second read-in is read (S111). Referring to the TOC in the second read window, it is confirmed whether or not the track in the second session is a data track (S112). If the track in the second session is a data track, Disk 1 is determined to be an enhanced CD because a CD-DA track exists in the first session (S113). On the other hand, if the track in the second session is not a data track, it is determined that the disc is in another format (S119).
- the audio device 10 selects an uncompressed audio data playback mode and plays uncompressed audio data in the CD-DA track (first session). Play it back (S111). Next, when the reproduction of the uncompressed audio data in the CD-DA track is completed, it is determined whether or not the compressed audio data exists in the data track of the second session (S11). Five). The method of determining whether or not compressed audio data exists is the same as that in S105. If there is compressed audio data, the audio device 10 selects the compressed audio data playback mode and plays the compressed audio data in the data track (second session). Yes (S1 16). When the playback of the compressed audio data in the data track is completed, or when there is no compressed audio data, the processing ends.
- the audio device 10 can reproduce the disc 1 in which the uncompressed audio data and the compressed audio data by the CD-DA are mixed.
- Uncompressed audio and data have a large storage capacity but excellent sound quality, while compressed audio and data have a slightly poor sound quality but a small storage capacity.
- the user stores the songs that emphasize sound quality as uncompressed audio data by CD-DA on one disc 1, and MP3 etc. for the music that is about BGM and does not care much about the sound quality. It should be stored as compressed audio data.
- the user is concerned about the mixture of uncompressed audio data and compressed audio data. Need not be.
- the embodiment described above is merely one embodiment of the present invention.
- the compressed audio data is played, and then the uncompressed audio data by CD-DA is played.
- the order of playback may be changed so that compressed audio data is played after uncompressed audio data is played.
- the CD-DA plays uncompressed audio data and then the compressed audio data, but the S115 After the determination, that is, whether or not the compressed audio data exists in the track of the second session, a series of playback processing can be performed.
- the CD is the mixed mode CD
- the reproduction of the uncompressed audio data is performed after the reproduction of all the compressed audio data is completed.
- Uncompressed audio data may be played back alternately.
- a track name corresponding to the data stored in the data track and the CD-DA track is displayed on the display section 13 so that the track selected by the user is reproduced. Is also good. The same can be said for this regeneration method for the enhanced CD.
- the main purpose of the present invention is to analyze the format of the disc 1 and to reproduce compressed audio data and uncompressed audio data mixed on one disc 1 based on the analysis result.
- the main purpose of the present invention is to analyze the format of the disc 1 and to reproduce compressed audio data and uncompressed audio data mixed on one disc 1 based on the analysis result.
- an audio / data storage medium in which compressed audio data and uncompressed audio / data are mixed is provided, so that a music piece that emphasizes sound quality does not care much about sound quality.
- a music piece that emphasizes sound quality does not care much about sound quality.
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01980977A EP1345222A4 (en) | 2000-12-20 | 2001-11-02 | PLAYING DEVICE, PLAYING METHOD AND AUDIO DATA STORAGE MEDIUM |
| US10/182,778 US7184380B2 (en) | 2000-12-20 | 2001-11-02 | Reproducing device, reproducing method and audio data storage medium |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000387710A JP2002190160A (ja) | 2000-12-20 | 2000-12-20 | 再生装置、再生方法およびオーディオ・データ記憶媒体 |
| JP2000-387710 | 2000-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002050834A1 true WO2002050834A1 (en) | 2002-06-27 |
Family
ID=18854589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2001/009647 Ceased WO2002050834A1 (en) | 2000-12-20 | 2001-11-02 | Reproducing device, reproducing method and audio data storage medium |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1345222A4 (ja) |
| JP (1) | JP2002190160A (ja) |
| KR (1) | KR20030009365A (ja) |
| CN (1) | CN1404608A (ja) |
| WO (1) | WO2002050834A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008251165A (ja) * | 2002-08-16 | 2008-10-16 | Thomson Licensing | Cdフォーマット決定のための方法及び装置 |
| CN100474453C (zh) * | 2003-07-29 | 2009-04-01 | 桑迪士克股份有限公司 | 在编程相邻存储单元后对过度编程的存储单元的检测 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2406958A (en) * | 2003-10-06 | 2005-04-13 | Id Interactive Ltd | Accessing multimedia data |
| JP2006127647A (ja) * | 2004-10-29 | 2006-05-18 | Sharp Corp | 音声高速再生装置及び方法 |
| US20060209652A1 (en) * | 2005-03-16 | 2006-09-21 | Toms Mona L | Accessing a mixed-mode storage medium |
| JP4992621B2 (ja) * | 2007-09-13 | 2012-08-08 | 株式会社Jvcケンウッド | オーディオ再生装置、方法及びプログラム |
| JP2010108542A (ja) * | 2008-10-29 | 2010-05-13 | Kenwood Corp | 再生装置、再生方法および再生プログラム |
| US10433057B2 (en) | 2017-10-23 | 2019-10-01 | Bose Corporation | Wireless audio synchronization |
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|---|---|---|---|---|
| WO1996038842A1 (en) * | 1995-05-31 | 1996-12-05 | Sony Corporation | Recording medium, recording device, reproducing method, and reproducing device |
| JPH09139055A (ja) * | 1995-09-13 | 1997-05-27 | Nippon Columbia Co Ltd | 記録媒体管理方法および再生装置並びに記録装置および記録方法並びに再生方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04141858A (ja) * | 1990-10-01 | 1992-05-15 | Sony Corp | ディスク再生装置 |
| GB2344925A (en) * | 1998-12-16 | 2000-06-21 | Memory Corp Plc | Optical storage disc storing compressed and uncompressed data |
-
2000
- 2000-12-20 JP JP2000387710A patent/JP2002190160A/ja active Pending
-
2001
- 2001-11-02 WO PCT/JP2001/009647 patent/WO2002050834A1/ja not_active Ceased
- 2001-11-02 KR KR1020027010803A patent/KR20030009365A/ko not_active Withdrawn
- 2001-11-02 CN CN01805289A patent/CN1404608A/zh active Pending
- 2001-11-02 EP EP01980977A patent/EP1345222A4/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996038842A1 (en) * | 1995-05-31 | 1996-12-05 | Sony Corporation | Recording medium, recording device, reproducing method, and reproducing device |
| JPH09139055A (ja) * | 1995-09-13 | 1997-05-27 | Nippon Columbia Co Ltd | 記録媒体管理方法および再生装置並びに記録装置および記録方法並びに再生方法 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1345222A4 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008251165A (ja) * | 2002-08-16 | 2008-10-16 | Thomson Licensing | Cdフォーマット決定のための方法及び装置 |
| CN100466087C (zh) * | 2002-08-16 | 2009-03-04 | 汤姆森特许公司 | 确定光盘格式的方法和装置 |
| CN100474453C (zh) * | 2003-07-29 | 2009-04-01 | 桑迪士克股份有限公司 | 在编程相邻存储单元后对过度编程的存储单元的检测 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1345222A4 (en) | 2005-12-28 |
| JP2002190160A (ja) | 2002-07-05 |
| CN1404608A (zh) | 2003-03-19 |
| KR20030009365A (ko) | 2003-01-29 |
| EP1345222A1 (en) | 2003-09-17 |
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