Code recording apparatus

Details Code recording apparatus Code recording apparatus

1997-07-10

1998-11-24

Chevalier, Robert

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386111, H04N 5917, H04N 726

Patent

active

058419420

ABSTRACT:
The disclosed code recording apparatus can record broadcasted interframe prediction-coded code trains on a storage medium in such a way that pictorial images of smooth motion can be reproduced from the storage medium during a high speed search. When the code trains of highly efficiently coded moving pictorial images are broadcasted, the prediction code trains prediction-coded between frames or fields are decoded by a decoding circuit to obtain reproduced images. The obtained reproduced images are coded independently in frame or field to form independent code trains decodable independently. Further, a part of the prediction code train is replaced with the independent code train obtained by the coding circuit using a code replacing circuit. The code trains thus obtained are recorded in the storage medium.

REFERENCES:
patent: 5113255 (1992-05-01), Nagata et al.
patent: 5377051 (1994-12-01), Lane et al.
patent: 5386234 (1995-01-01), Veltman et al.
patent: 5410350 (1995-04-01), Kato et al.
patent: 5440345 (1995-08-01), Shimoda
"Video Coding With Motion-Compensated Interpolation For CD-ROM Applications"; Puri et al; 8376 Signal Processing Image Communication; 2(1990) Aug.; No. 2, Amsterdam, NE.

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