CN100552794C - 光盘再现装置 - Google Patents

光盘再现装置 Download PDF

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Publication number
CN100552794C
CN100552794C CNB2006100739451A CN200610073945A CN100552794C CN 100552794 C CN100552794 C CN 100552794C CN B2006100739451 A CNB2006100739451 A CN B2006100739451A CN 200610073945 A CN200610073945 A CN 200610073945A CN 100552794 C CN100552794 C CN 100552794C
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China
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mentioned
signal
circuit
offset correction
digital
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Expired - Fee Related
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CNB2006100739451A
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Chinese (zh)
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CN1838295A (zh
Inventor
小仓洋一
小西信一
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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    • 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
    • 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
    • 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
    • G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
    • 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
    • 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
    • G11B20/10083—PR1 or PR(1,1,), i.e. partial response class 1, polynomial 1+D
    • 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
    • G11B20/10101—PR2 or PR(1,2,1), i.e. partial response class 2, polynomial (1+D)2=1+2D+D2
    • 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
    • G11B20/10046—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
    • G11B20/10166—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(3,4,4,3)
    • 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
    • G11B20/10203—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter baseline correction
    • 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
    • G11B20/10212—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter compensation for data shift, e.g. pulse-crowding effects
    • 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
    • G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation
    • 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
    • G11B20/1876—Interpolating methods
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Dc Digital Transmission (AREA)
CNB2006100739451A 2005-02-04 2006-01-27 光盘再现装置 Expired - Fee Related CN100552794C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005029768A JP4641815B2 (ja) 2005-02-04 2005-02-04 光ディスク再生装置
JP2005029768 2005-02-04

Publications (2)

Publication Number Publication Date
CN1838295A CN1838295A (zh) 2006-09-27
CN100552794C true CN100552794C (zh) 2009-10-21

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Family Applications (1)

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CNB2006100739451A Expired - Fee Related CN100552794C (zh) 2005-02-04 2006-01-27 光盘再现装置

Country Status (5)

Country Link
US (1) US7558177B2 (https=)
JP (1) JP4641815B2 (https=)
KR (1) KR100676001B1 (https=)
CN (1) CN100552794C (https=)
TW (1) TWI342551B (https=)

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US7167516B1 (en) * 2000-05-17 2007-01-23 Marvell International Ltd. Circuit and method for finding the sampling phase and canceling precursor intersymbol interference in a decision feedback equalized receiver
GB0421930D0 (en) * 2004-10-01 2004-11-03 Nokia Corp Signal receiver
JP2008123567A (ja) * 2006-11-08 2008-05-29 Funai Electric Co Ltd 光ディスク装置、フォーカスバランスの調整方法
CN101308691B (zh) * 2008-06-18 2011-01-19 北京博创汉威科技有限责任公司 高清光盘信号质量检测设备
US8949701B2 (en) 2008-09-23 2015-02-03 Agere Systems Inc. Systems and methods for low latency media defect detection
CA2707185A1 (en) * 2008-10-02 2010-04-08 Panasonic Corporation Reproduced signal evaluating method, information recording medium, reproducing device, and recording device
WO2010113231A1 (ja) 2009-04-02 2010-10-07 パナソニック株式会社 光ディスク再生装置
CN101908357B (zh) * 2009-06-02 2012-05-23 联咏科技股份有限公司 数据恢复的校正电路与方法
US8154972B2 (en) * 2009-06-24 2012-04-10 Lsi Corporation Systems and methods for hard disk drive data storage including reduced latency loop recovery
US9237324B2 (en) * 2010-10-22 2016-01-12 Phorus, Inc. Playback synchronization
US8411385B2 (en) 2010-12-20 2013-04-02 Lsi Corporation Systems and methods for improved timing recovery
US8325433B2 (en) 2011-01-19 2012-12-04 Lsi Corporation Systems and methods for reduced format data processing
US8261171B2 (en) 2011-01-27 2012-09-04 Lsi Corporation Systems and methods for diversity combined data detection
US8749908B2 (en) 2011-03-17 2014-06-10 Lsi Corporation Systems and methods for sync mark detection
US8565047B2 (en) 2011-04-28 2013-10-22 Lsi Corporation Systems and methods for data write loopback based timing control
US8665544B2 (en) 2011-05-03 2014-03-04 Lsi Corporation Systems and methods for servo data detection
US8874410B2 (en) 2011-05-23 2014-10-28 Lsi Corporation Systems and methods for pattern detection
US8498071B2 (en) 2011-06-30 2013-07-30 Lsi Corporation Systems and methods for inter-track alignment
US8669891B2 (en) 2011-07-19 2014-03-11 Lsi Corporation Systems and methods for ADC based timing and gain control
US8780476B2 (en) 2011-09-23 2014-07-15 Lsi Corporation Systems and methods for controlled wedge spacing in a storage device
US8773811B2 (en) 2011-12-12 2014-07-08 Lsi Corporation Systems and methods for zone servo timing gain recovery
US8681444B2 (en) 2012-06-07 2014-03-25 Lsi Corporation Multi-zone servo processor
US8625216B2 (en) 2012-06-07 2014-01-07 Lsi Corporation Servo zone detector
US8564897B1 (en) 2012-06-21 2013-10-22 Lsi Corporation Systems and methods for enhanced sync mark detection
US9019641B2 (en) 2012-12-13 2015-04-28 Lsi Corporation Systems and methods for adaptive threshold pattern detection
US9053217B2 (en) 2013-02-17 2015-06-09 Lsi Corporation Ratio-adjustable sync mark detection system
US9196297B2 (en) 2013-03-14 2015-11-24 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for enhanced sync mark mis-detection protection
US9275655B2 (en) 2013-06-11 2016-03-01 Avago Technologies General Ip (Singapore) Pte. Ltd. Timing error detector with diversity loop detector decision feedback
US10152999B2 (en) 2013-07-03 2018-12-11 Avago Technologies International Sales Pte. Limited Systems and methods for correlation based data alignment
US9129650B2 (en) 2013-07-25 2015-09-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Array-reader based magnetic recording systems with frequency division multiplexing
US9129646B2 (en) 2013-09-07 2015-09-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Array-reader based magnetic recording systems with mixed synchronization
US9323625B2 (en) 2013-11-12 2016-04-26 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for lost synchronization data set reprocessing
US9224420B1 (en) 2014-10-02 2015-12-29 Avago Technologies General Ip (Singapore) Pte. Ltd. Syncmark detection failure recovery system
DE102017221576A1 (de) * 2017-11-30 2019-06-06 Robert Bosch Gmbh Verfahren zur Mittelung von pulsierenden Messgrößen
CN109639286B (zh) * 2018-12-25 2023-03-31 西电通用电气自动化有限公司 一种irig-b自适应解码电路及方法

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CN1358310A (zh) * 2000-01-17 2002-07-10 松下电器产业株式会社 数字记录数据再生装置
CN1400597A (zh) * 2001-07-26 2003-03-05 松下电器产业株式会社 数字数据再生装置

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JP3572047B2 (ja) * 2001-12-26 2004-09-29 株式会社東芝 光ディスク装置と光ディスク再生方法
JP3927561B2 (ja) * 2003-06-20 2007-06-13 松下電器産業株式会社 再生信号処理装置および光ディスク装置

Patent Citations (2)

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CN1358310A (zh) * 2000-01-17 2002-07-10 松下电器产业株式会社 数字记录数据再生装置
CN1400597A (zh) * 2001-07-26 2003-03-05 松下电器产业株式会社 数字数据再生装置

Also Published As

Publication number Publication date
TW200641805A (en) 2006-12-01
TWI342551B (en) 2011-05-21
US7558177B2 (en) 2009-07-07
JP4641815B2 (ja) 2011-03-02
JP2006216187A (ja) 2006-08-17
KR100676001B1 (ko) 2007-01-30
US20060239655A1 (en) 2006-10-26
KR20060089669A (ko) 2006-08-09
CN1838295A (zh) 2006-09-27

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