CA2532373A1 - Write-once optical disc, and method and apparatus for recording management information thereon - Google Patents

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

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Publication number
CA2532373A1
CA2532373A1 CA002532373A CA2532373A CA2532373A1 CA 2532373 A1 CA2532373 A1 CA 2532373A1 CA 002532373 A CA002532373 A CA 002532373A CA 2532373 A CA2532373 A CA 2532373A CA 2532373 A1 CA2532373 A1 CA 2532373A1
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CA
Canada
Prior art keywords
recording
srr
unit
information
session
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.)
Granted
Application number
CA002532373A
Other languages
French (fr)
Other versions
CA2532373C (en
Inventor
Yong Cheol Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
Lg Electronics Inc.
Yong Cheol Park
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc., Yong Cheol Park filed Critical Lg Electronics Inc.
Publication of CA2532373A1 publication Critical patent/CA2532373A1/en
Application granted granted Critical
Publication of CA2532373C publication Critical patent/CA2532373C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on 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
    • G11B7/007—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
    • 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
    • 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
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B2020/1218—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc
    • G11B2020/1235—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc session, i.e. a contiguous area having its own lead-in area, program area and lead-out area
    • 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
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • 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
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1285—Status of the record carrier, e.g. space bit maps, flags indicating a formatting status or a write permission
    • 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
    • G11B2220/23—Disc-shaped record carriers characterised in that the disc has a specific layer structure
    • G11B2220/235—Multilayer discs, i.e. multiple recording layers accessed from the same side
    • 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

Abstract

A write-once optical recording medium and a method and apparatus for recording management information on the recording medium, are provided. The recording medium includes at least one recording layer and SRR information on the recording layer. The SRR information pertains to at least one SRR and includes a header, an SRR entry list, and a terminator. The SRR entry list includes a plurality of SRR entries, each of the SRR entries pertaining to an SRR and including at least one status area for storing therein session start information.

Claims (51)

Claims
1. A recording medium having at least one recording layer, the recording medium comprising:
a session including at least one recording-unit; and sequential recording information on the at least one recording layer, the sequential recording information pertaining to the at least one recording-unit and including a recording-unit entry list, the recording-unit entry list including at least one recording-unit entry, wherein the at least one recording-unit entry pertains to the at least one recording-unit respectively and includes at least one status area to store session start information indicating whether the corresponding recording-unit is a start of the session.
2. The recording medium of claim 1, wherein the at least one status area includes a session status area for storing therein the session start information, the session status area being located at the recording-unit entry excluding beginning bits of the recording-unit entry.
3. The recording medium of claim 2, wherein the session status area includes one bit assigned to carry the session start information.
4. The recording medium of claim 1, wherein the session start information is stored within a middle part of the recording-unit entry.
5. The recording medium of claim 2, wherein the session status area further stores therein recording-unit status information indicating whether the corresponding recording-unit is opened or closed.
6. The recording medium of claim 1, wherein the at least one status area includes a recording-unit status area for storing therein recording-unit status information, and the recording-unit status area is located at the beginning bits of the recording-unit entry.
7. The recording medium of claim 6, wherein the recording-unit status information indicates whether the corresponding recording-unit is opened or closed.
8. The recording medium of claim 1, wherein the at least one status area includes:
a session status area for storing therein the session start information; and a start address area for storing therein start address information of the corresponding recording-unit, wherein the session status area is located after the start address area.
9. The recording medium of claim 1, wherein each of the at least one recording-unit entry further includes:
a first address area for storing therein start address information of the. corresponding recording-unit; and a second address area for storing last recorded address information of the corresponding recording-unit.
10. The recording medium of claim 1, wherein the sequential recording information further includes a header, and the header includes a list of opened recording-units and a total number of recording-units.
11. The recording medium of claim 1, wherein the sequential recording information is stored in a temporary defect management area designated on the at least one recording layer.
12. The recording medium of claim 1, wherein the recording medium is a write-once optical disc.
13. A recording medium comprising:
at least one recording layer; and at least one SRR entry stored on the at least one recording layer, each SRR entry pertaining to an SRR and including at least one status area, the at least one status area storing therein session start information and being allocated at the corresponding SRR entry excluding beginning bits of the corresponding SRR entry.
14. The recording medium of claim 13, wherein the at least one status area includes a session status area for storing therein the session start information, the session status area being located at the SRR entry excluding beginning bits of the SRR entry.
15. The recording medium of claim 14, wherein the session status area includes one bit assigned to carry the session start information.
16. The recording medium of claim 13, wherein the session start information is stored within a middle part of the SRR entry.
17. The recording medium of claim 14, wherein the session status area further stores therein SRR status information.
18. The recording medium of claim 17, wherein the SRR status information indicates whether the corresponding SRR is an opened SRR or a closed SRR.
19. The recording medium of claim 14, wherein the at least one status area further includes an SRR status area for storing therein SRR status information, and the SRR status area is located at the beginning bits of the SRR entry.
20. The recording medium of claim 19, wherein the SRR status information indicates whether the corresponding SRR is an opened SRR or a closed SRR.
21. The recording medium of claim 13, wherein the at least one status area includes:
a session status area for storing therein the session start information; and a start address area for storing therein start address information of the corresponding SRR, wherein the session status area is located after the start address area.
22. The recording medium of claim 13, wherein each of the SRR entries further includes:
a start address area for storing therein start address information of the corresponding SRR; and a last recorded address field for storing last recorded address information of the corresponding SRR.
23. The recording medium of claim 13, wherein the SRR information is stored in a temporary defect management area designated on the at least one recording layer.
24. The recording medium of claim 13, wherein the recording medium is a write-once optical disc.
25. The recording medium of claim 24, wherein. the recording medium is a Blu-ray write-once (BD-WO) optical disc.
26. A method for recording management information on a recording medium having at least one recording layer, the method comprising:
(a) recording a sequential recording information on the at least one recording layer, the sequential recording information pertaining to at least one recording-unit and including a recording-unit entry list, the recording-unit entry list including at least one recording-unit entry, the at least one recording-unit entry pertaining to the at least one recording-unit respectively, wherein the at least one recording-unit forms a session and the at least one recording-unit entry includes at least one status area to store session start information indicating whether the corresponding recording-unit is a start of the session.
27. The method of claim 26, wherein the recording step (a) includes:
(a1) recording the session start information in a session status area of the at least one status area, the session status area being located at the recording-unit entry excluding beginning bits of the recording-unit entry.
28. The method of claim 27, wherein the session status area includes one bit assigned to carry the session start information.
29. The method of claim 20, wherein the session start information is recorded in a middle part of the recording-unit entry.
30. The method of claim 27, wherein the recording step (a) further includes:
(a2) recording recording-unit status information in the session status area, the recording-unit status information indicating whether the corresponding recording-unit is opened or closed.
31. The method of claim 27, wherein the recording step (a) further includes:
(a2) recording recording-unit status information in a recording-unit status area of the at least one status area, the recording-unit status area being located at the beginning bits of the recording-unit entry.
32. The method of claim 31, wherein the recording-unit status information indicates whether the corresponding recording-unit is opened or closed.
33. The method of claim 26, wherein the recording step (a) includes:
(a1) recording the session start information in a session status area of the at least one status area; and (a2) recording start address information of the corresponding recording-unit in a start address area of the corresponding recording-unit entry, wherein the session status area is located after the start address area.
34. The method of claim 26, wherein the recording step (a) includes:
(a1) recording the session start information in the at least one status area;
(a2) recording start address information of the corresponding recording unit in a first address area of the corresponding recording-unit entry; and (a3) recording last recorded address information of the corresponding recording-unit in a second address area of the corresponding recording-unit entry.
35. The method of claim 26, wherein the sequential recording information further includes a header, and the header includes a list of opened recording-units and a total number of recording-units.
36. The method of claim 26, wherein the recording step (a) records the sequential recording information in a temporary defect management area designated on the at least one recording layer.
37. The method of claim 26, wherein in the recording step (a), the recording medium is a write-once optical disc.
33. A method for recording management information on a recording medium having at least one recording layer, the method comprising:
(a) recording at least one entry on the at least one recording layer, each SRR entry pertaining to an SRR and including at least one status ar ea for storing therein session start information, each SRR
entry being allocated at the corresponding SRR entry excluding beginning bits of the corresponding SRR entry.
39. The method of claim 33, wherein the recording step (a) includes:
(a1) recording the session start information in a session status area of the at least one status area, the session status area being located at the SRR entry excluding beginning bits of the SRR entry.
40. The method of claim 39, wherein the session status area includes one bit assigned to carry the session start information.
41. The method of claim 38, wherein the session start information is recorded in a middle part of the SRR entry.
42. The method of claim 39, wherein the recording step (a) further includes:
(a2) recording SRR status information in the session status area.
43. The method of claim 42, wherein the SRR status information indicates whether the corresponding SRR is an opened SRR or a closed SRR.
44. The method of claim 89, wherein the recording step (a) further includes:
(a2) recording SRR status information in an SRR status area of the at least one status area, the SRR status area being located at the beginning bits of the SRR entry.
45. The method of claim 44, wherein the SRR status information indicates whether the corresponding SRR is an opened SRR or a closed SRR.
46. The method of claim 38, wherein the recording step (a) includes:
(a1) recording the session start information in a session status area of the at least one status area; and (a2) recording start address information of the corresponding SRR in a start address area of the corresponding SRR entry, wherein the session status area is located after the start address area.
41. The method of claim 38, wherein the recording step (a) includes:
(a1) recording the session start information in the at least one status area;
(a2) recording start address information of the corresponding SRR in a start address area of the corresponding SRR entry; and (a3) recording last recorded address information of the corresponding SRR in a last recorded area (LRA) field of the corresponding SRR
entry.
48. The method of claim 38, wherein the recording step (a) records the SRR information in a temporary defect management area designated on the at least one recording layer.
49. The method of claim 38, wherein in the recording step (a), the recording medium is a write-once optical disc.
50. The method of claim 49, wherein the recording medium is a Blu-ray write-once (BD-WO) optical disc.
51. An apparatus for recording management information on a recording medium having at least one recording layer, the apparatus comprising:
a recording/reproducing part for recording a sequential recording information on the at least one recording layer, the sequential recording information pertaining to at least one recording-unit and including a header, a recording-unit entry list, and a terminator, the recording-unit entry list including a plurality of recording-unit entries, each of the recording-unit entries pertaining to a recording-unit and including at least one status area for storing therein session start information.
CA2532373A 2003-07-15 2004-07-09 Write-once optical disc, and method and apparatus for recording management information thereon Expired - Fee Related CA2532373C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2003-0048279 2003-07-15
KR1020030048279A KR20050009031A (en) 2003-07-15 2003-07-15 Method for recording management information on optical disc write once
PCT/KR2004/001701 WO2005006316A1 (en) 2003-07-15 2004-07-09 Write-once optical disc, and method and apparatus for recording management information thereon

Publications (2)

Publication Number Publication Date
CA2532373A1 true CA2532373A1 (en) 2005-01-20
CA2532373C CA2532373C (en) 2012-11-13

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Country Status (16)

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US (2) US7573792B2 (en)
EP (1) EP1644922B1 (en)
JP (2) JP4895809B2 (en)
KR (2) KR20050009031A (en)
CN (2) CN100458933C (en)
AT (1) ATE449408T1 (en)
AU (1) AU2004256685B2 (en)
BR (1) BRPI0412646A (en)
CA (1) CA2532373C (en)
DE (1) DE602004024204D1 (en)
DK (1) DK1644922T3 (en)
ES (1) ES2335996T3 (en)
MX (1) MXPA06000589A (en)
RU (1) RU2353981C2 (en)
TW (2) TWI300923B (en)
WO (1) WO2005006316A1 (en)

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