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1. WO2004021619 - METHOD OF CORRECTING DATA ON A HIGH-DENSITY RECORDING MEDIUM

Publication Number WO/2004/021619
Publication Date 11.03.2004
International Application No. PCT/KR2003/001792
International Filing Date 02.09.2003
IPC
G11B 20/18 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
18Error detection or correction; Testing
CPC
G11B 20/1833
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
18Error detection or correction; Testing ; , e.g. of drop-outs
1833by adding special lists or symbols to the coded information
G11B 2020/1272
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
12Formatting, e.g. arrangement of data block or words on the record carriers
1264wherein the formatting concerns a specific kind of data
1265Control data, system data or management information, i.e. data used to access or process user data
1267Address data
1271the address data being stored in a subcode, e.g. in the Q channel of a CD
1272Burst indicator subcode [BIS]
G11B 2020/1288
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
12Formatting, e.g. arrangement of data block or words on the record carriers
1264wherein the formatting concerns a specific kind of data
1288Formatting by padding empty spaces with dummy data, e.g. writing zeroes or random data when de-icing optical discs
G11B 2020/1823
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
18Error detection or correction; Testing ; , e.g. of drop-outs
1816Testing
1823wherein a flag is set when errors are detected or qualified
G11B 2220/2541
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
2220Record carriers by type
20Disc-shaped record carriers
25characterised in that the disc is based on a specific recording technology
2537Optical discs
2541Blu-ray discs; Blue laser DVR discs
H03M 13/293
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
MCODING; DECODING; CODE CONVERSION IN GENERAL
13Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
29combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
2906using block codes
2927Decoding strategies
293with erasure setting
Applicants
  • LG ELECTRONICS INC. [KR]/[KR] (AllExceptUS)
  • JEON, Ik Beom [KR]/[KR] (UsOnly)
  • SUH, Sang Woon [KR]/[KR] (UsOnly)
Inventors
  • JEON, Ik Beom
  • SUH, Sang Woon
Agents
  • PARK, Lae Bong
Priority Data
10-2002-005247402.09.2002KR
Publication Language English (EN)
Filing Language Korean (KO)
Designated States
Title
(EN) METHOD OF CORRECTING DATA ON A HIGH-DENSITY RECORDING MEDIUM
(FR) PROCEDE DE CORRECTION DE DONNEES SUR UN SUPPORT D'ENREGISTREMENT A HAUTE DENSITE
Abstract
(EN)
The present invention relates to a method of correcting data on a high-density recording medium such as a BD-ROM (Blu-ray ROM Disk) and a BD-RW (Blu-ray ReWritable Disk). In the present method, whether there is any error in a predetermined-sized LDC data block, which is included in a physical cluster, is determined based on if there is an error in sync data and BIS data neighboring the LDC data block, and, if determined to be erroneous, error correcting operation for the LDC block is conducted.
(FR)
La présente invention concerne un procédé de correction de données sur un support d'enregistrement à haute densité tel qu'un BD-ROM (disque ROM Blu-Ray) et un BD-RW (disque réinscriptible Blu-Ray). Le présent procédé consiste à déterminer la présence d'une erreur dans un bloc de données LDC de taille prédéterminée inclus dans un groupe physique sur la base de la présence d'une erreur dans des données sync et des données BIS avoisinant le bloc de données LDC, et, si une erreur est détectée, à réaliser une opération de correction d'erreur pour le bloc LDC.
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