TW200713210A - Modulation methods and systems - Google Patents

Modulation methods and systems

Info

Publication number
TW200713210A
TW200713210A TW095125241A TW95125241A TW200713210A TW 200713210 A TW200713210 A TW 200713210A TW 095125241 A TW095125241 A TW 095125241A TW 95125241 A TW95125241 A TW 95125241A TW 200713210 A TW200713210 A TW 200713210A
Authority
TW
Taiwan
Prior art keywords
dsv
control bit
dsv control
systems
modulation methods
Prior art date
Application number
TW095125241A
Other languages
English (en)
Other versions
TWI320175B (en
Inventor
Hsin-Cheng Chen
Pi-Hai Liu
Ming-Yang Chao
Original Assignee
Mediatek Inc
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 Mediatek Inc filed Critical Mediatek Inc
Publication of TW200713210A publication Critical patent/TW200713210A/zh
Application granted granted Critical
Publication of TWI320175B publication Critical patent/TWI320175B/zh

Links

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
    • G11B20/14—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
    • 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
    • G11B2020/1288—Formatting by padding empty spaces with dummy data, e.g. writing zeroes or random data when de-icing optical 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
    • G11B2020/1442—8 to 12 modulation
    • 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
    • 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
    • G11B2020/1457—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof wherein DC control is performed by calculating a digital sum value [DSV]
    • 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
    • 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
    • G11B2220/2579—HD-DVDs [high definition DVDs]; AODs [advanced optical discs]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
TW095125241A 2005-09-06 2006-07-11 Modulation methods and systems TWI320175B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/162,323 US7142135B1 (en) 2005-09-06 2005-09-06 Modulation methods and systems

Publications (2)

Publication Number Publication Date
TW200713210A true TW200713210A (en) 2007-04-01
TWI320175B TWI320175B (en) 2010-02-01

Family

ID=37449935

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095125241A TWI320175B (en) 2005-09-06 2006-07-11 Modulation methods and systems

Country Status (3)

Country Link
US (2) US7142135B1 (zh)
CN (1) CN100580796C (zh)
TW (1) TWI320175B (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4601512B2 (ja) * 2005-08-05 2010-12-22 ルネサスエレクトロニクス株式会社 Ｄｓｖ制御装置およびｄｓｖ制御方法
EP2053815A1 (en) * 2006-10-18 2009-04-29 Ishida Co., Ltd. Encoding device, pulse generation device, and communication system
EP1990918A1 (en) * 2007-05-07 2008-11-12 Deutsche Thomson OHG Method and apparatus for channel coding
KR20090085257A (ko) * 2008-02-04 2009-08-07 삼성전자주식회사 Ｄｓｖ 제어 방법, 이에 적합한 기록매체 및 장치
CN111124099A (zh) * 2018-10-12 2020-05-08 北京小米移动软件有限公司 状态控制方法、装置及存储介质
US11967973B2 (en) 2021-05-06 2024-04-23 Samsung Display Co., Ltd. Low overhead transition encoding codes

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365231A (en) 1991-03-30 1994-11-15 Kabushiki Kaisha Toshiba Encoding apparatus for digital signal with improved block channel coding
WO1995022802A2 (en) 1994-02-15 1995-08-24 Philips Electronics N.V. Method of converting a series of m-bit information words to a modulated signal, method of producing a record carrier, coding device, decoding device, recording device, reading device, signal, as well as a record carrier
JP3243140B2 (ja) 1995-02-20 2002-01-07 パイオニア株式会社 データ変換方式
US5731768A (en) 1996-01-31 1998-03-24 Seagate Technology, Inc. Method and apparatus for implementing codes with maximum transition run length
JPH10134519A (ja) 1996-10-31 1998-05-22 Sony Corp 変調装置および復調装置とそれらの方法
US6297753B1 (en) 1999-01-29 2001-10-02 Victor Company Of Japan, Ltd. Eight-to-fifteen modulation using no merging bit and optical disc recording or reading systems based thereon
KR100294893B1 (ko) 1999-03-09 2001-07-12 윤종용 개선된 ｄｃ 억압 능력을 갖는 ｒｌｌ 코드 생성 방법 과 생성된 ｒｌｌ 코드 변복조 방법
TW538372B (en) 1999-10-02 2003-06-21 Mediatek Inc Zero digital sum value control device and method
US6445313B2 (en) 2000-02-07 2002-09-03 Lg Electronics Inc. Data modulating/demodulating method and apparatus for optical recording medium
JP2002261619A (ja) * 2001-02-28 2002-09-13 Toshiba Corp データ符号化方法、データ符号化装置及び記憶媒体
JP2002271205A (ja) 2001-03-09 2002-09-20 Victor Co Of Japan Ltd 変調方法、変調装置、復調方法、復調装置、情報記録媒体、情報伝送方法および情報伝送装置
CN100428633C (zh) * 2001-06-29 2008-10-22 日本胜利株式会社 数字信号的调制方法及调制装置
JP3916055B2 (ja) 2002-03-28 2007-05-16 日本ビクター株式会社 変調方法、変調装置、記録媒体、復調方法および復調装置
JP2004192770A (ja) 2002-12-13 2004-07-08 Sony Corp 符号化方法と装置および光学ディスク記録方法と装置

Also Published As

Publication number Publication date
US7397396B2 (en) 2008-07-08
CN1929012A (zh) 2007-03-14
US7142135B1 (en) 2006-11-28
CN100580796C (zh) 2010-01-13
TWI320175B (en) 2010-02-01
US20070080836A1 (en) 2007-04-12

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