KR100669623B1 - 디지털 데이터 변환방법 - Google Patents
디지털 데이터 변환방법 Download PDFInfo
- Publication number
- KR100669623B1 KR100669623B1 KR1020010012638A KR20010012638A KR100669623B1 KR 100669623 B1 KR100669623 B1 KR 100669623B1 KR 1020010012638 A KR1020010012638 A KR 1020010012638A KR 20010012638 A KR20010012638 A KR 20010012638A KR 100669623 B1 KR100669623 B1 KR 100669623B1
- Authority
- KR
- South Korea
- Prior art keywords
- block
- input data
- digital data
- data
- merging
- 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.)
- Expired - Fee Related
Links
Images
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M5/00—Conversion of the form of the representation of individual digits
- H03M5/02—Conversion to or from representation by pulses
- H03M5/04—Conversion to or from representation by pulses the pulses having two levels
- H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
- H03M5/145—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
- G11B20/14—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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
-
- 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
- G11B2020/1461—8 to 14 modulation, e.g. the EFM code used on CDs or mini-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
- G11B2020/1465—8 to 16 modulation, e.g. the EFM+ code used on DVDs
-
- 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
- G11B2020/1469—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof modulation code with one or more merging bits between consecutive codewords
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (10)
- 입력 디지털 데이터를 소정의 복수개의 바이트를 단위로 하는 블록으로 묶는 단계와, 상기 입력 데이터 블록의 각 바이트를 코드 변환 테이블을 이용해서 변조 코딩하는 단계와, 상기 변조 코딩된 블록 단위의 입력 데이터에 대하여 블록 단위로 머징 비트를 할당하는 단계를 포함하여 이루어지는 것을 특징으로 하는 디지털 데이터 변환 방법.
- 제 1 항에 있어서, 상기 입력 데이터 블록은 3 바이트 내지 7바이트 단위로 묶여지는 것을 특징으로 하는 디지털 데이터 변환방법.
- 제 1 항에 있어서, 상기 블록 단위로 할당되는 머징 비트는 3비트로 이루어지는 것을 특징으로 하는 디지털 데이터 변환방법.
- 제 1 항에 있어서, 상기 입력 데이터 블록의 변조 코딩은 8/15 변환 테이블에 의해서 15비트 길이의 코드워드로 인코딩되는 것을 특징으로 하는 디지털 데이터 변환방법.
- 제 1 항에 있어서, 상기 현재 입력 데이터 블록의 RDS와 이전 입력 데이터 블록의 RDS를 비교하여 현재 입력 데이터 블록이 생성되었을 때 RDS값이 최소이면 서 런 길이 제한조건을 위반하지 않도록 머징 비트를 선택하는 것을 특징으로 하는 디지털 데이터 변환방법.
- 제 5 항에 있어서, 상기 선택된 머징 비트를 먼저 출력한 후, 엔코딩된 현재 입력 데이터 블록을 출력하고 동시에, 현재 블록까지의 RDS를 갱신하여 그 다음 번째 블록의 머징 비트 선택을 준비하는 것을 특징으로 하는 디지털 데이터 변환방법.
- 하나의 입력 데이터 블록을 m(3 ≤m ≤7) 바이트를 한 단위로 하여 8/15 변조 코딩을 수행함과 동시에 해당 순번의 블록이 가지는 RDS를 생성하는 단계와, 상기 해당 순번의 블록과 이전 블록의 RDS를 고려하여 머징 비트를 선택하는 단계와, 상기 선택된 머징 비트를 출력한 후 인코딩된 상기 해당 순번의 블록을 출력하고, 다음 순번 블록의 머징 비트 선택을 위하여 RDS를 갱신하는 단계를 포함하여 이루어지는 것을 특징으로 하는 디지털 데이터 변환방법.
- 입력 디지털 데이터를 소정의 복수개의 바이트를 단위로 하는 블록으로 하여 각 바이트를 변조 코딩하는 단계와, 상기 변조 코딩된 블록 단위의 입력 데이터에 대하여 블록 단위로 머징 비트를 할당하는 단계와, 상기 데이터 블록이 몇 개의 바이트를 단위로 묶여 처리되었는가를 나타내는 바이트 단위 정보를 상기 변조 코딩 후 머징 비트가 첨가된 데이터와 함께 기록하는 단계와, 상기 기록된 바이트 단위 정보를 이용해서 해당 블록에 대한 데이터 디코딩을 수행하는 단계를 포함하여 이루어지는 것을 특징으로 하는 디지털 데이터 기록 및 재생방법.
- 제 8 항에 있어서, 상기 입력 데이터 블록은 3 내지 7바이트를 한 단위로 하여 변조 코딩 및 디코딩 처리되는 것을 특징으로 하는 디지털 데이터 기록 및 재생방법.
- 제 8 항에 있어서, 상기 머징 비트는 RDS값이 최소가 되면서 런-길이 제한조건을 위반하지 않도록 3비트의 머징 비트 중에서 선택되는 것을 특징으로 하는 디지털 데이터 기록 및 재생방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010012638A KR100669623B1 (ko) | 2001-03-12 | 2001-03-12 | 디지털 데이터 변환방법 |
EP05002304A EP1531550A1 (en) | 2001-03-12 | 2001-10-17 | Method of converting digital data |
DE60116250T DE60116250T2 (de) | 2001-03-12 | 2001-10-17 | Verfahren zur Datenkonversion |
EP01124798A EP1241792B1 (en) | 2001-03-12 | 2001-10-17 | Method of converting digital data |
US10/039,794 US7379502B2 (en) | 2001-03-12 | 2001-10-19 | Method of converting digital data |
JP2002004333A JP3856700B2 (ja) | 2001-03-12 | 2002-01-11 | デジタルデータ変換方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010012638A KR100669623B1 (ko) | 2001-03-12 | 2001-03-12 | 디지털 데이터 변환방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020072680A KR20020072680A (ko) | 2002-09-18 |
KR100669623B1 true KR100669623B1 (ko) | 2007-01-15 |
Family
ID=36915026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010012638A Expired - Fee Related KR100669623B1 (ko) | 2001-03-12 | 2001-03-12 | 디지털 데이터 변환방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7379502B2 (ko) |
EP (2) | EP1241792B1 (ko) |
JP (1) | JP3856700B2 (ko) |
KR (1) | KR100669623B1 (ko) |
DE (1) | DE60116250T2 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100424483B1 (ko) * | 2001-05-14 | 2004-03-24 | 엘지전자 주식회사 | 일련의 데이터 워드를 변조신호로 변환하는 방법 및 장치 |
JP4143330B2 (ja) * | 2002-05-14 | 2008-09-03 | ソニー株式会社 | データ記録媒体、データ記録方法及び装置 |
TWI277064B (en) * | 2003-09-29 | 2007-03-21 | Mediatek Inc | A method of determining a merging bit in an optical storage device |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0178813B1 (en) * | 1984-10-01 | 1993-08-18 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for encoding binary data |
US4675650A (en) * | 1985-04-22 | 1987-06-23 | Ibm Corporation | Run-length limited code without DC level |
NL8702903A (nl) * | 1987-12-03 | 1989-07-03 | Philips Nv | Werkwijze en inrichting voor het optekenen van informatie op een registratiedrager, alsmede een inrichting voor het uitlezen van de opgetekende informatie. |
JP2974678B2 (ja) * | 1988-06-23 | 1999-11-10 | ソニー株式会社 | データ誤り検出方式 |
KR910013186A (ko) * | 1989-12-29 | 1991-08-08 | 강진구 | Efm 변조회로 |
US5151699A (en) * | 1990-09-05 | 1992-09-29 | Pioneer Electronic Corporation | Data converting apparatus |
EP0655850A3 (en) * | 1993-10-28 | 1995-07-19 | Philips Electronics Nv | Transmission and reception of a digital information signal. |
DE69505794T2 (de) * | 1994-02-15 | 1999-06-02 | Koninklijke Philips Electronics N.V., Eindhoven | Verfahren zur umwandlung von m-bit informationsworten in ein moduliertes signal, verfahren zum herstellen eines aufzeichungsträgers, kodier-, dekodier-, aufzeichnungs- und lesevorrichtung sowie aufzeichnungsträger |
JP3541439B2 (ja) * | 1994-07-08 | 2004-07-14 | ソニー株式会社 | 信号変調方法及び装置、並びに信号復調装置及び方法 |
US5870037A (en) * | 1994-07-08 | 1999-02-09 | Sony Corporation | Method and apparatus, demodulating method and signal demodulating apparatus |
WO1996019044A1 (fr) * | 1994-12-12 | 1996-06-20 | Sony Corporation | Procede de codage de donnees et procede de decodage de donnees |
ES2159727T3 (es) * | 1995-04-03 | 2001-10-16 | Matsushita Electric Ind Co Ltd | Soporte de registro, procedimientos y aparatos de transmision y de reproduccion de datos. |
WO1996032780A1 (fr) | 1995-04-12 | 1996-10-17 | Kabushiki Kaisha Toshiba | Dispositif et procede de conversion-decodage de codes et support d'enregistrement |
JP3457093B2 (ja) * | 1995-04-14 | 2003-10-14 | 松下電器産業株式会社 | 記録媒体並びにデジタル変復調方法およびその装置 |
WO1997009718A1 (en) * | 1995-09-01 | 1997-03-13 | 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, device, recording device, signal, as well as a record carrier |
KR0165441B1 (ko) * | 1995-09-18 | 1999-03-20 | 김광호 | 디지털 데이터 채널 부호화 및 복호화방법과 그 장치 |
US5990899A (en) * | 1995-10-27 | 1999-11-23 | Microsoft Corporation | Method for compressing journal streams |
JPH09135172A (ja) * | 1995-11-08 | 1997-05-20 | Sony Corp | 符号変換方法 |
JP3394127B2 (ja) * | 1995-12-05 | 2003-04-07 | 株式会社東芝 | ディジタルデータの伝送方法 |
US5969651A (en) * | 1996-03-08 | 1999-10-19 | Sony Corporation | Signal modulating method, signal modulating apparatus, signal demodulating method and signal demodulating apparatus |
JP3666109B2 (ja) | 1996-03-21 | 2005-06-29 | ソニー株式会社 | 記録媒体再生装置および記録媒体再生方法並びに光ディスク |
US5974013A (en) * | 1996-11-20 | 1999-10-26 | Sony Corporation | Disc reproducing apparatus and head position calculating method |
US5940585A (en) * | 1997-06-17 | 1999-08-17 | Hewlett-Packard Company | Data merge unit |
KR100257538B1 (ko) * | 1997-07-14 | 2000-06-01 | 구자홍 | 복사 방지용 광디스크의 신호 기록방법 및 이 기록방법을 이용한 광디스크의 복제방지방법 |
JP4138031B2 (ja) * | 1998-01-09 | 2008-08-20 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | n−ビットソースワードから対応したm−ビットチャネルワードへの符号化装置、並びに、逆向きの復号化装置 |
US6002814A (en) * | 1998-04-14 | 1999-12-14 | Hewlett-Packard Company | Means and method for configuring a data processing pipeline |
US6748079B1 (en) * | 1998-10-14 | 2004-06-08 | Macrovision Corporation | Method and system for recording data on and reading data from an optical medium |
BR9908072A (pt) * | 1998-12-21 | 2000-10-31 | Koninkl Philips Electronics Nv | Dispositivo e processo para codificar uma corrente de bits de dados de um sinal fonte binário, sinal de canal binário, portadora de gravação, e, dispositivo de codificador de uma corrente de bits de dados de um sinal de canal binário |
BR9908073A (pt) * | 1998-12-21 | 2000-10-24 | Koninkl Philips Electronics Nv | Dispositivo e processo para codificar uma corrente de bits de dados de um sinal fonte binário, sinal de canal binário, portadora de gravação, e, dispositivo decodificador de uma corrente de bits de dados de um sinal de canal binário |
JP2000286709A (ja) | 1999-01-29 | 2000-10-13 | Victor Co Of Japan Ltd | 変調方法、変調装置、復調方法、復調装置及び記録媒体 |
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 |
KR100565046B1 (ko) | 1999-04-21 | 2006-03-30 | 삼성전자주식회사 | 개선된 dc 억압 능력을 갖는 rll 코드 배치 방법, 변복조 방법 및 복조 장치 |
US6483882B1 (en) * | 1999-05-24 | 2002-11-19 | O'dea James Orrin | EFM demodulation circuit and method |
JP4384772B2 (ja) * | 2000-01-31 | 2009-12-16 | インターナショナル・ビジネス・マシーンズ・コーポレーション | コード変調装置及び変調方法 |
US6445313B2 (en) * | 2000-02-07 | 2002-09-03 | Lg Electronics Inc. | Data modulating/demodulating method and apparatus for optical recording medium |
CN1381094A (zh) * | 2000-06-02 | 2002-11-20 | 皇家菲利浦电子有限公司 | 用于将一个二进制源信号数据位流编码为一个二进制通道信号数据位流的设备,存储装置,用于记录信息的设备,记录载体,用于编码的设备和用于回放的设备 |
US6507545B2 (en) * | 2000-12-12 | 2003-01-14 | Tri D Store Ip Llc | Method for data reading/writing using an optical carrier with pattern information pits |
-
2001
- 2001-03-12 KR KR1020010012638A patent/KR100669623B1/ko not_active Expired - Fee Related
- 2001-10-17 EP EP01124798A patent/EP1241792B1/en not_active Expired - Lifetime
- 2001-10-17 DE DE60116250T patent/DE60116250T2/de not_active Expired - Fee Related
- 2001-10-17 EP EP05002304A patent/EP1531550A1/en not_active Ceased
- 2001-10-19 US US10/039,794 patent/US7379502B2/en not_active Expired - Fee Related
-
2002
- 2002-01-11 JP JP2002004333A patent/JP3856700B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1531550A1 (en) | 2005-05-18 |
EP1241792B1 (en) | 2005-12-28 |
DE60116250D1 (de) | 2006-02-02 |
JP3856700B2 (ja) | 2006-12-13 |
KR20020072680A (ko) | 2002-09-18 |
EP1241792A1 (en) | 2002-09-18 |
US7379502B2 (en) | 2008-05-27 |
DE60116250T2 (de) | 2006-09-14 |
JP2002269923A (ja) | 2002-09-20 |
US20020126765A1 (en) | 2002-09-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2939185B2 (ja) | デジタルデータチャンネル符号化及び復号化装置並びにその方法 | |
US6891483B2 (en) | Encoding apparatus and method, recording medium and program | |
US6268810B1 (en) | Method of generating run length limited (RLL) code having improved DC suppression capability and modulation/demodulation method of the generated RLL code | |
KR100352353B1 (ko) | 신호변조방법,신호변조장치,신호복조방법및신호복조장치 | |
CA2182584A1 (en) | Data encoding method and data decoding method | |
US6606038B2 (en) | Method and apparatus of converting a series of data words into modulated signals | |
US5633632A (en) | Data conversion method and apparatus imbedding pilot signal into converted data and reducing error propagation between datawords | |
KR0170681B1 (ko) | Rll코드 데이터를 위한 부호화 및 복호화장치 | |
JP2000286709A (ja) | 変調方法、変調装置、復調方法、復調装置及び記録媒体 | |
KR0136715B1 (ko) | 데이타 변복조 방법 및 변복조 장치 | |
US6188335B1 (en) | Method and apparatus having cascaded decoding for multiple runlength-limited channel codes | |
CN1135709C (zh) | 利用游程长度受限码进行通道编码和解码的方法 | |
US6943708B2 (en) | Method of converting a series of data words into a modulated signal | |
KR100669623B1 (ko) | 디지털 데이터 변환방법 | |
CN1114998C (zh) | 编码输入信息信号的装置和方法 | |
KR0183722B1 (ko) | 디지탈 신호 변조부호기 및 복호기 | |
US20030132865A1 (en) | Method and apparatus of converting a series of data words into a modulated signal | |
JP4095440B2 (ja) | 情報の符号化のための装置及び方法、その符号化された情報を復号するための装置及び方法、変調信号及び記録媒体の製造方法 | |
JP2002279732A (ja) | 変調方法、変調装置、復調方法、復調装置、記録媒体、伝送装置および伝送方法 | |
Ko et al. | A new highly efficient efm compatible modulation code for optical disc storage | |
JP2003018012A (ja) | ディジタル信号の変調方法、ディジタル信号変調装置、及びディジタル信号記録媒体 | |
JP2006129506A (ja) | 情報の符号化のための装置及び方法、その符号化された情報を復号するための装置及び方法、変調信号及び記録媒体の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20010312 |
|
N231 | Notification of change of applicant | ||
PN2301 | Change of applicant |
Patent event date: 20020603 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20060206 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20010312 Comment text: Patent Application |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20061214 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20070109 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20070109 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20091230 Start annual number: 4 End annual number: 4 |
|
FPAY | Annual fee payment |
Payment date: 20101223 Year of fee payment: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20101223 Start annual number: 5 End annual number: 5 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20121209 |