Methods and systems for dubbing a variable-length encoded digita

Details Methods and systems for dubbing a variable-length encoded digita Methods and systems for dubbing a variable-length encoded digita

Filed on

1993-06-16

Date issued

1996-12-03

Examiner

Tran, Thai Q.

Patent Class

Motion video signal processing for recording or reproducing

SubClass

Local trick play processing

SubSubClass

With randomly accessible medium

Other Related Categories

360 15, 386 52, H04N 576

Type

Patent

Status

active

Patent number

055813607

Description

ABSTRACT:
Methods and systems are provided for dubbing a digital video signal on a record medium wherein the digital video signal includes variable-length codes arranged in a fixed-length word format. The variable-length codes are separated from the fixed-length word format data. Error codes indicating errors in the separated variable-length codes are provided. The separated variable-length codes together with the error codes are formed into new data blocks having a fixed-length word format and the new data blocks are recorded on a record medium.

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patent: 5023710 (1991-06-01), Kondo et al.
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patent: 5193010 (1993-03-01), Juri et al.
patent: 5216518 (1993-06-01), Yamagami
patent: 5289190 (1994-02-01), Shimoda et al.
patent: 5291282 (1994-03-01), Nakagawa et al.
IEEE Proceedings F. Communications, Radar & Signal Processing vol. 135, no. 6, Dec. 1988, Stevenage GB pp. 528-538 XP35755 `Effect of channel errors on source coded image data and the provision of adequate protection of transmission bits`.
IEEE Transactions on Consumer Electronics vol. 37, No. 3, Aug. 1991, New York US pp. 275-282 XP263196 Yoneda et al. `An experimental digital VCR with new DCT-based bit-rate reduction system`.

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