CA2517112A1 - Write-once optical disc, and method and apparatus for recording management information on write-once optical disc - Google Patents

Write-once optical disc, and method and apparatus for recording management information on write-once optical disc Download PDF

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Publication number
CA2517112A1
CA2517112A1 CA002517112A CA2517112A CA2517112A1 CA 2517112 A1 CA2517112 A1 CA 2517112A1 CA 002517112 A CA002517112 A CA 002517112A CA 2517112 A CA2517112 A CA 2517112A CA 2517112 A1 CA2517112 A1 CA 2517112A1
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Canada
Prior art keywords
recording
management information
recording medium
defect management
area
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Granted
Application number
CA002517112A
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French (fr)
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CA2517112C (en
Inventor
Yong Cheol Park
Sung Dae Kim
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LG Electronics Inc
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Individual
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Publication of CA2517112A1 publication Critical patent/CA2517112A1/en
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Publication of CA2517112C publication Critical patent/CA2517112C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • 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
    • G11B27/19—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
    • G11B27/322—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 used signal is digitally coded
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • G11B2020/1826—Testing wherein a defect list or error map is generated
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B2020/1873—Temporary defect structures for write-once discs, e.g. TDDS, TDMA or TDFL
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/218—Write-once discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers

Abstract

A method of recording management information onto a recording medium is disclosed, the recording medium including a first recording layer having a first user data area and a second recording layer having a second user data area, the method comprising steps of: (a) recording first disc usage management information onto a temporary defect management area of the recording medium, the first disc usage management information indicating whether or not each recording unit of the first user data area contains data recorded therein; (b) recording second disc usage management information onto the temporary defect management area, the second disc usage management information indicating whether or not each recording unit of the second user data area contains data recorded therein; and (c) recording latest first disc usage management information (D0) and latest second disc usage management information (D1) recorded in the temporary defect management area onto a final defect management area of the recording medium when finalizing the recording medium. Furthermore, a corresponding method of reproducing, apparatus for recording and reproducing and recording medium are disclosed.

Claims (42)

1. A method of managing a writable-once optical recording medium, the recording medium including at least one recording layer, the method comprising:
providing a user area and a non-user area on the at least one recording layer of the recording medium;
providing at least one temporary defect management area in at least one of the user area and the non-user area, the at least one temporary defect management area allocated to store therein temporary defect management information including disc usage management information, the disc usage management information indicating a recording or non-recording status of the user area of the recording medium; and providing at least one final defect management area in the non-user area.
2. The method according to claim 1, wherein the at least one final defect management area is provided to store therein the disc usage management information transferred from the at least one temporary defect management area.
3. The method according to claim 2, wherein the at least one recording layer includes a plurality of recording layers each having a final defect management area, and the disc usage management information for each of the recording layers is separately recorded all in at least one of the final defect management areas of the recording layers.
4. The method according to claim 2, wherein the at least one recording layer includes a plurality of recording layers each having a final defect management area, and the disc usage management information for each of the recording layers is separately and correspondingly recorded in the final defect management area of the corresponding recording layer.
5. The method according to claim 1, wherein the recording medium is a writable-once Blu-ray disc (BD-WO).
6. A method of managing a writable-once optical recording medium, the recording medium including at least one recording layer, the at least one recording layer having at least one temporary defect management area and at least one final defect management area, the method comprising:
recording temporary defect management information in the at least one temporary defect management area of the recording medium, the temporary defect management information including disc usage management information indicating a recording use status of the recording medium; and transferring the temporary defect management information from the at least one temporary defect management area to the at least one final defect management area of the recording medium.
7. The method according to claim 6, wherein the at least one recording layer includes a plurality of recording layers each having a final defect management area, and in the transferring step, the disc usage management information for each of the recording layers is separately recorded all in at least one of the final defect management areas of the recording layers.
8. The method of claim 7, wherein the disc usage management information includes a first disc usage management information (D0) for a first recording layer of the recording medium and a second disc usage management information (D1) for a second recording layer of the recording medium, such that in the transferring step, the first and second disc usage management information is recorded sequentially in at least one of the final defect management areas of the recording layers according to the following order: D0, D0, D0, D0, D1, D1, D1 and D1.
9. The method of claim 7, wherein the disc usage management information includes a first disc usage management information (D0) for a first recording layer of the recording medium and a second disc usage management information (D1) for a second recording layer of the recording medium, such that in the transferring step, the first and second disc usage management information is recorded sequentially in at least one of the final defect management areas of the recording layers according to the following order: D0, D0, D1, D1, D0, D0, D1 and D1.
10. The method of claim 7, wherein the disc usage management information includes a first disc usage management information (D0) for a first recording layer of the recording medium and a second disc usage management information (D1) for a second recording layer of the recording medium, such that in the transferring step, the first and second disc usage management information is recorded sequentially in at least one of the final defect management areas of the recording layers according to the following order: D0, D1, D0, D1, D0, D1, D0 and D1.
11. The method of claim 7, wherein the disc usage management information includes a first disc usage management information (D0) for a first recording layer of the recording medium and a second disc usage management information (D1) for a second recording layer of the recording medium, such that in the transferring step, the first and second disc usage management information is recorded sequentially in at least one of the final defect management areas of the recording layers according to the following order: D0, D1, D1 and D0.
12. The method according to claim 11, wherein a certain number of fields, following the recorded first and second disc usage management information, in the at least one of the final defect management areas are reserved for other use.
13. The method according to claim 6, wherein the at least one recording layer includes a plurality of recording layers each having a final defect management area, and the disc usage management information for each of the recording layers is separately and correspondingly recorded in the final defect management area of the corresponding recording layer.
14. The method of claim 6, wherein the recording medium includes a recording area on the at least one recording layer, the recording area divided into a plurality of tracks, and the disc usage management information represents track position information identifying an end point of a last recorded track on the recording medium.
15. The method of claim 6, wherein the disc usage management information represent a space bit map.
16. The method according to claim 6, wherein the transferring step is performed when the recording medium is to be finalized.
17. The method according to claim 16, wherein the recording medium is to be finalized if a data recording operation in a user data area of the recording medium is completed, if the at least one temporary defect management area is full, or if a finalize command is received.
18. The method according to claim 6, wherein in the transferring step, the transferred temporary defect management information further includes temporary defect list information and temporary disc definition structure information, and is latest temporary defect management information written on the recording medium.
19. The method according to claim 6, wherein the recording medium is a writable-once Blu-ray disc (BD-WO).
20. The method according to claim 6, wherein in the transferring step, the temporary defect management information transferred is the latest temporary defect management information stored in the at least one temporary defect management area.
21. An apparatus for managing a writable-once optical recording medium, the recording medium including at least one recording layer, the apparatus comprising:
means for providing a user area and a non-user area on the at least one recording layer of the recording medium;
means for providing at least one temporary defect management area in at least one of the user area and the non-user area, the at least one temporary defect management area allocated to store therein temporary defect management information including disc usage management information, the disc usage management information indicating a recording or non-recording status of the user area of the recording medium; and means for providing at least one final defect management area in the non-user area.
22. An apparatus for managing a writable-once optical recording medium, the recording medium including at least one recording layer, the at least one recording layer having at least one temporary defect management area and at least one final defect management area, the apparatus comprising:
means for recording temporary defect management information in the at least one temporary defect management area of the recording medium, the temporary defect management information including disc usage management information indicating a recording use status of the recording medium; and means for transferring the temporary defect management information from the at least one temporary defect management area to the at least one final defect management area of the recording medium.
23. A writable-once optical recording medium comprising:
at least one recording layer including a user area and a non-user area;
at least one temporary defect management area provided in at least one of the user area and the non-user area of the recording medium, so as to store therein temporary defect management information including disc usage management information, the disc usage management information indicating a recording or non-recording status of the user area of the recording medium;
and at least one final defect management area provided in the non-user area.
24. The recording medium according to claim 23, wherein the at least one final defect management area is provided on the recording medium to store therein the disc usage management information transferred from the at least one temporary defect management area.
25. The recording medium according to claim 24, wherein the at least one recording layer includes a plurality of recording layers each having a final defect management area, and the disc usage management information for each of the recording layers is separately recorded all in at least one of the final defect management areas of the recording layers.
26. The recording medium according to claim 24, wherein the at least one recording layer includes a plurality of recording layers each having a final defect management area, and the disc usage management information for each of the recording layers is separately and correspondingly recorded in the final defect management area of the corresponding recording layer.
27. The recording medium according to claim 23, wherein the recording medium is a writable-once Blu-ray disc (BD-WO).
28. A writable-once optical recording medium comprising:
at least one recording layer including at least one temporary defect management area and at least one final defect management area, wherein temporary defect management information is recorded in the at least one temporary defect management area of the recording medium, the temporary defect management information including disc usage management information indicating a recording use status of the recording medium, and wherein the temporary defect management information is transferred from the at least one temporary defect management area to the at least one final defect management area of the recording medium.
29. The recording medium according to claim 28, wherein the at least one
30 recording layer includes a plurality of recording layers each having a final defect management area, and the disc usage management information for each of the recording layers is separately recorded all in at least one of the final defect management areas of the recording layers.
30. The recording medium of claim 29, wherein the disc usage management information includes a first disc usage management information (D0) for a first recording layer of the recording medium and a second disc usage management information (D1) for a second recording layer of the recording medium, such that the first and second disc usage management information is recorded sequentially in at least one of the final defect management areas of the recording layers according to the following order: D0, D0, D0, D0, D1, D1, D1 and D1.
31. The recording medium of claim 29, wherein the disc usage management information includes a first disc usage management information (D0) for a first recording layer of the recording medium and a second disc usage management information (D1) for a second recording layer of the recording medium, such that the first and second disc usage management information is recorded sequentially in at least one of the final defect management areas of the recording layers according to the following order: D0, D0, D1, D1, D0, D0, D1 and D1.
32. The recording medium of claim 29, wherein the disc usage management information includes a first disc usage management information (D0) for a first recording layer of the recording medium and a second disc usage management information (D1) for a second recording layer of the recording medium, such that the first and second disc usage management information is recorded sequentially in at least one of the final defect management areas of the recording layers according to the following order: D0, D1, D0, D1, D0, D1, D0 and D1.
33. The recording medium of claim 29, wherein the disc usage management information includes a first disc usage management information (D0) for a first recording layer of the recording medium and a second disc usage management information (D1) for a second recording layer of the recording medium, such that the first and second disc usage management information is recorded sequentially in at least one of the final defect management areas of the recording layers according to the following order: D0, D1, D1 and D0.
34. The method according to claim 33, wherein a certain number of fields, following the recorded first and second disc usage management information, in the at least one of the final defect management areas are reserved for other use.
35. The recording medium according to claim 28, wherein the at least one recording layer includes a plurality of recording layers each having a final defect management area, and the disc usage management information for each of the recording layers is separately and correspondingly recorded in the final defect management area of the corresponding recording layer.
36. The recording medium of claim 28, wherein the recording medium includes a recording area on the at least one recording layer, the recording area divided into a plurality of tracks, and the disc usage management information represents track position information identifying an end point of a last recorded track on the recording medium.
37. The recording medium of claim 28, wherein the disc usage management information represent a space bit map.
38. The recording medium according to claim 28, wherein the temporary defect management information is transferred from the at least one temporary defect management area to the at least one final defect management area when the recording medium is to be finalized.
39. The recording medium according to claim 38, wherein the recording medium is to be finalized if a data recording operation in a user data area of the recording medium is completed, if the at least one temporary defect management area is full, or if a finalize command is received.
40. The recording medium according to claim 28, wherein the transferred temporary defect management information includes temporary defect list information and temporary disc definition structure information, and is latest temporary defect management information written on the recording medium.
41. The recording medium according to claim 28, wherein the recording medium is a writable-once Blu-ray disc (BD-WO).
42. The method according to claim 28, wherein the temporary defect management information transferred is the latest temporary defect management information stored in the at least one temporary defect management area.
CA2517112A 2003-02-25 2003-09-30 Write-once optical disc, and method and apparatus for recording management information on write-once optical disc Expired - Fee Related CA2517112C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR20030011830 2003-02-25
KR10-2003-0011830 2003-02-25
KR10-2003-0016775 2003-03-18
KR20030016775 2003-03-18
PCT/KR2003/002008 WO2004077415A1 (en) 2003-02-25 2003-09-30 Write-once optical disc, and method and apparatus for recording management information on write-once optical disc

Publications (2)

Publication Number Publication Date
CA2517112A1 true CA2517112A1 (en) 2004-09-10
CA2517112C CA2517112C (en) 2012-11-13

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US (2) US7188271B2 (en)
EP (2) EP1597722B1 (en)
JP (2) JP4713158B2 (en)
KR (1) KR100949966B1 (en)
AT (2) ATE437433T1 (en)
AU (1) AU2003265099B2 (en)
BR (1) BRPI0318710B1 (en)
CA (1) CA2517112C (en)
DE (1) DE60328531D1 (en)
ES (1) ES2331695T3 (en)
HK (1) HK1089547A1 (en)
MX (1) MXPA05009016A (en)
RU (1) RU2343571C2 (en)
TW (1) TWI298492B (en)
WO (1) WO2004077415A1 (en)

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