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1. WO1996032673 - DEVICE AND METHOD FOR REPRODUCING INFORMATION SIGNAL

Publication Number WO/1996/032673
Publication Date 17.10.1996
International Application No. PCT/JP1996/000969
International Filing Date 09.04.1996
IPC
G11B 20/12 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
12Formatting, e.g. arrangement of data block or words on the record carriers
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
H04N 5/00 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
H04N 5/85 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
76Television signal recording
84using optical recording
85on discs or drums
CPC
G11B 20/1251
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
1217on discs
1251for continuous data, e.g. digitised analog information signals, pulse code modulated [PCM] data
G11B 20/1806
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
1806Pulse code modulation systems for audio signals
G11B 20/1876
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
1876Interpolating methods
H04N 21/21
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
21Server components or server architectures
H04N 21/23
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
23Processing of content or additional data; Elementary server operations; Server middleware
H04N 5/85
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
76Television signal recording
84using optical recording
85on discs or drums
Applicants
  • SONY CORPORATION [JP]/[JP] (AllExceptUS)
  • SEKI, Yousuke [JP]/[JP] (UsOnly)
Inventors
  • SEKI, Yousuke
Agents
  • TANABE, Shigemoto
Priority Data
7/10909709.04.1995JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) DEVICE AND METHOD FOR REPRODUCING INFORMATION SIGNAL
(FR) DISPOSITIF ET PROCEDE DE REPRODUCTION DE SIGNAUX D'INFORMATION
Abstract
(EN)
A device and a method for reproducing information signal by which video signals and sound signal can be correctly reproduced in real time even when a disk-like recording medium expands or contracts due to a temperature change or the position of a recording/reproducing head is shifted by a mechanical error. Information data divided into a plurality of blocks are recorded on a disk-line recording medium on which adjacent data blocks are different from each other. If one of a plurality of reproducing means cannot reproduce data, the data are restored from the data reproduced by other reproducing means. If the reproduction of the n-th reproducing block is not completed in a prescribed period of time or not started at a prescribed timing, reproduction of the (n+1)-th block is not performed and the reproduction of the (n+2)-th block is performed instead. Therefore, video signals and sound signals are always reproduced perfectly from the disk-like recording medium in real time.
(FR)
La présente invention concerne un dispositif et un procédé de reproduction de signaux d'information, avec lesquels des signaux vidéo et des signaux son peuvent être reproduits correctement en temps réel même quand un support d'enregistrement analogue à un disque se dilate ou se contracte en raison d'un changement de température ou que la position d'une tête d'enregistrement-lecture est décalée en raison d'une erreur mécanique. Des données d'information divisées en plusieurs blocs sont enregistrées sur un support d'enregistrement analogue à un disque, sur lequel des blocs de données adjacents sont différents les uns des autres. Si un moyen de reproduction parmi plusieurs ne peut pas reproduire de données, les données sont rétablies à partir de celles reproduites par d'autres moyens. Si la reproduction du nème bloc de reproduction n'est pas achevée dans un laps de temps prescrit ou si elle n'a pas commencé conformément à un programme prescrit, la reproduction du (n + 1)ème bloc n'a pas lieu et elle est remplacée par celle du (n + 2)ème bloc. C'est pourquoi les signaux vidéo et les signaux son sont toujours reproduits parfaitement à partir du support d'enregistrement analogue à un disque, et ce en temps réel.
Also published as
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