Apparatus and method for recording and reproducing digital video

Details Apparatus and method for recording and reproducing digital video Apparatus and method for recording and reproducing digital video

1994-10-21

1997-11-04

Chin, Tommy P.

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 81, 386111, 386124, 360 8, H04N 591

Patent

active

056849176

ABSTRACT:
Digital video tape recorder which operates to receive an advanced television (ATV) signal to be recorded, provide a portion such as a low-band coefficient of an intra-coded frame of the ATV signal as variable-speed data, and record the digital video data and the variable-speed data in a main and a marginal area, respectively, of successive tracks on the record medium in which the marginal area is located on each track at a position which is reproducible in a fast-speed reproducing mode. The digital video tape recorder reproduces the recorded data in the fast-speed reproducing mode by reproducing the portion of the signal stored from the marginal area of each track which is located at specific reproducible areas.

REFERENCES:
patent: 4656527 (1987-04-01), Uchimi
patent: 5175631 (1992-12-01), Juri et al.
patent: 5282049 (1994-01-01), Hatakenaka et al.
patent: 5287196 (1994-02-01), Yamashita et al.
patent: 5355229 (1994-10-01), Arano et al.
IEEE Transactions on Consumer Electronics, vol. 39, No. 3, Aug. 1993 New York US, pp. 186-191, Boyce et al. `fast scan technology for digital video tape recorders` paragraph 3.0 paragraph 7.0; figures 2-6.

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