TW201135721A - Method, device, and program for evaluating data recording, and optical information recording medium - Google Patents
Method, device, and program for evaluating data recording, and optical information recording medium Download PDFInfo
- Publication number
- TW201135721A TW201135721A TW99140864A TW99140864A TW201135721A TW 201135721 A TW201135721 A TW 201135721A TW 99140864 A TW99140864 A TW 99140864A TW 99140864 A TW99140864 A TW 99140864A TW 201135721 A TW201135721 A TW 201135721A
- Authority
- TW
- Taiwan
- Prior art keywords
- data
- evaluation
- index value
- value
- recording
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000003287 optical effect Effects 0.000 title claims description 44
- 238000011156 evaluation Methods 0.000 claims abstract description 154
- 238000004364 calculation method Methods 0.000 claims abstract description 53
- 238000012937 correction Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims description 49
- 238000001514 detection method Methods 0.000 claims description 22
- 230000004044 response Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 238000007476 Maximum Likelihood Methods 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 claims description 2
- 230000008929 regeneration Effects 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims description 2
- 235000004263 Ocotea pretiosa Nutrition 0.000 claims 1
- 244000009660 Sassafras variifolium Species 0.000 claims 1
- 238000007792 addition Methods 0.000 claims 1
- 230000004888 barrier function Effects 0.000 claims 1
- 238000012552 review Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 10
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012854 evaluation process Methods 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 241000237536 Mytilus edulis Species 0.000 description 1
- 101150049281 PRM1 gene Proteins 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
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
- G11B20/10009—Improvement or modification of read or write 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
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
- G11B20/10055—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using partial response filtering when writing the signal to the medium or reading it therefrom
- G11B20/10111—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using partial response filtering when writing the signal to the medium or reading it therefrom partial response PR(1,2,2,1)
-
- 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
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10305—Improvement or modification of read or write signals signal quality assessment
- G11B20/10462—Improvement or modification of read or write signals signal quality assessment consistency with a reference waveform in a given time period, e.g. by calculating correlations or mean square errors
-
- 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
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10481—Improvement or modification of read or write signals optimisation methods
- G11B20/10509—Improvement or modification of read or write signals optimisation methods iterative methods, e.g. trial-and-error, interval search, gradient descent or feedback loops
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
-
- 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
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
- G11B2020/1453—17PP modulation, i.e. the parity preserving RLL(1,7) code with rate 2/3 used on Blu-Ray 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009273261A JP2011118961A (ja) | 2009-12-01 | 2009-12-01 | データ記録評価方法，装置及びプログラム、並びに光情報記録媒体 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201135721A true TW201135721A (en) | 2011-10-16 |
Family
ID=44114915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW99140864A TW201135721A (en) | 2009-12-01 | 2010-11-25 | Method, device, and program for evaluating data recording, and optical information recording medium |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2011118961A (ja) |
| CN (1) | CN102667939A (ja) |
| TW (1) | TW201135721A (ja) |
| WO (1) | WO2011068068A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6233522B2 (ja) | 2014-08-08 | 2017-11-22 | 新日鐵住金株式会社 | 線ずれ評価方法、線ずれ評価装置、プログラム及び記録媒体 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4160533B2 (ja) * | 2004-06-03 | 2008-10-01 | 株式会社東芝 | 光ディスク記録再生方法及び光ディスク記録再生装置 |
| JP4597911B2 (ja) * | 2006-06-02 | 2010-12-15 | 太陽誘電株式会社 | 光記録再生方法および装置および信号処理回路および光記録再生プログラムおよび情報記録媒体 |
| JP4691539B2 (ja) * | 2006-11-16 | 2011-06-01 | 太陽誘電株式会社 | 記録パワー補正方法及び光ディスク記録再生装置 |
| JP4523583B2 (ja) * | 2006-12-27 | 2010-08-11 | 太陽誘電株式会社 | データ記録評価方法及び光ディスク記録再生装置 |
| ATE466364T1 (de) * | 2007-02-05 | 2010-05-15 | Taiyo Yuden Kk | Verfahren zur anpassung der aufzeichnungsbedingungen für optische plattenaufzeichnungs-/-wiedergabesysteme, optische aufzeichnungswiedergabevorrichtung und optische platte |
-
2009
- 2009-12-01 JP JP2009273261A patent/JP2011118961A/ja active Pending
-
2010
- 2010-11-25 TW TW99140864A patent/TW201135721A/zh unknown
- 2010-11-25 CN CN201080054723XA patent/CN102667939A/zh active Pending
- 2010-11-25 WO PCT/JP2010/070966 patent/WO2011068068A1/ja not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN102667939A (zh) | 2012-09-12 |
| JP2011118961A (ja) | 2011-06-16 |
| WO2011068068A1 (ja) | 2011-06-09 |
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