YU4100A - Uređaj i postupak za modulaciju/demodulaciju sa uzastopnim minimalnim ograničenjem promenljive veličine - Google Patents

Uređaj i postupak za modulaciju/demodulaciju sa uzastopnim minimalnim ograničenjem promenljive veličine

Info

Publication number
YU4100A
YU4100A YU4100A YU4100A YU4100A YU 4100 A YU4100 A YU 4100A YU 4100 A YU4100 A YU 4100A YU 4100 A YU4100 A YU 4100A YU 4100 A YU4100 A YU 4100A
Authority
YU
Yugoslavia
Prior art keywords
data string
conversion
dsv control
bits
code
Prior art date
Application number
YU4100A
Other languages
English (en)
Other versions
YU49188B (sh
Inventor
Immink K.A. Schouhamer
Joseph A.H.M. Kahlman
Den Enden Gijsbert J. Van
T. Nakagawa
Y. Shinpuku
T. Naohara
K. Nakamura
Original Assignee
Koninklijke Philips Electronics N.V.
Eindhoven
Sony Corporation
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 Koninklijke Philips Electronics N.V., Eindhoven, Sony Corporation filed Critical Koninklijke Philips Electronics N.V.
Publication of YU4100A publication Critical patent/YU4100A/sh
Publication of YU49188B publication Critical patent/YU49188B/sh

Links

Classifications

    • 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
    • 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
    • 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
    • G11B2020/1453—17PP modulation, i.e. the parity preserving RLL(1,7) code with rate 2/3 used on Blu-Ray discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
  • Facsimile Image Signal Circuits (AREA)

Abstract

Problem: kako snimiti i reprodukovati podatke sa visokom linijskom gustinom. Sredstva za resavanje problema: jedinica (11) za odredjivanje/umetanje DSV upravljackih bitova za izvrsavanje DSV upravljanja umece DSV upravljacke bitove u niz ulaznih podataka i daje na izlazu niz podataka koji sadrze DSV upravljacke bitove jedinici (12) za modulaciju. Jedinica (12) za modulaciju konvertuje niz podataka sa osnovnom duzinom podatka od 2 bita u kod promenljive duzine sa osnovnom duzinom koda od 3 bita prema tabeli za konverziju i daje na izlazu kod koji rezultuje iz konverzije u jedinici (13) za NRZI kodiranje. Tabela za konverziju koju koristi jedinica (12) za modulaciju sadrzi kodove za zamenu za ogranicavanje broja uzastopnih pojava minimalne serije na unapred odredjenu vrednost i kodove za zamenu za odrzavanje granice duzine serije. Osim toga, tabela za konverziju primenjuje pravilo za konverziju prema kome ce ostatak deljenja broja elemenata "1" u nizu podataka sa 2, koji ima vrednost od 0 ili 1, uvek biti jednak ostatku deljenja broja elemenata "1" u kodu koji rezultuje iz konverzije niza podataka sa 2.
YU4100A 1998-05-29 1999-05-25 Uređaj i postupak za modulaciju/demodulaciju sa uzastopnim minimalnim ograničenjem promenljive veličine YU49188B (sh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15028098A JP3985173B2 (ja) 1998-05-29 1998-05-29 変調装置および方法、復調装置および方法、並びにデータ格納媒体

Publications (2)

Publication Number Publication Date
YU4100A true YU4100A (sh) 2001-07-10
YU49188B YU49188B (sh) 2004-07-15

Family

ID=15493529

Family Applications (1)

Application Number Title Priority Date Filing Date
YU4100A YU49188B (sh) 1998-05-29 1999-05-25 Uređaj i postupak za modulaciju/demodulaciju sa uzastopnim minimalnim ograničenjem promenljive veličine

Country Status (39)

Country Link
US (5) US6496541B1 (sh)
EP (1) EP1000467B1 (sh)
JP (1) JP3985173B2 (sh)
KR (1) KR100753966B1 (sh)
CN (2) CN1183681C (sh)
AR (1) AR019600A1 (sh)
AT (1) ATE463082T1 (sh)
AU (1) AU758251B2 (sh)
BG (1) BG64243B1 (sh)
CA (2) CA2680404C (sh)
CY (1) CY1110892T1 (sh)
CZ (1) CZ303005B6 (sh)
DE (1) DE69942194D1 (sh)
DK (1) DK1000467T3 (sh)
EA (1) EA002209B1 (sh)
EE (1) EE05501B1 (sh)
EG (1) EG22694A (sh)
ES (1) ES2341927T3 (sh)
HR (1) HRP20000050B1 (sh)
HU (1) HU229922B1 (sh)
ID (1) ID24969A (sh)
IL (2) IL134229A (sh)
LT (1) LT4754B (sh)
LV (1) LV12526B (sh)
ME (1) ME01711B (sh)
MY (1) MY131577A (sh)
NO (1) NO332391B1 (sh)
NZ (1) NZ502506A (sh)
PL (1) PL338300A1 (sh)
PT (1) PT1000467E (sh)
RO (1) RO121883B1 (sh)
SI (1) SI20174B (sh)
SK (1) SK288035B6 (sh)
TR (1) TR200000248T1 (sh)
TW (1) TW498313B (sh)
UA (1) UA49081C2 (sh)
WO (1) WO1999063671A1 (sh)
YU (1) YU49188B (sh)
ZA (1) ZA200000371B (sh)

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