Method and apparatus for recording digital video signals

Details Method and apparatus for recording digital video signals Method and apparatus for recording digital video signals

1997-04-29

1998-11-10

Faile, Andrew I.

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 81, H04N 5783

Patent

active

058356649

ABSTRACT:
A method and an apparatus for reproducing digital video signals in which every one-frame data of the digital video signals are recorded on n tracks of a recording medium by an inclined azimuth recording system are varying speed reproduced by a rotary head having n heads with a varying playback speed such that A=a(t.multidot.m.+-.1)
, where a is a constant equal to 1 or 2 and m is a constant which is an integer other than 0. A picture corresponding to the digital video signals read out with the varying playback speed S is displayed on the screen. In this manner, non-continuous lines caused by temporal difference in neighboring macro-blocks during varying speed reproduction may be rendered less obtrusive for improving the picture quality of the varying speed reproduced picture.

REFERENCES:
patent: 4791507 (1988-12-01), Doyama et al.
patent: 4887169 (1989-12-01), Bannai et al.
patent: 5065259 (1991-11-01), Kubota et al.
patent: 5301070 (1994-04-01), Tanaka
patent: 5434677 (1995-07-01), Oikawa
patent: 5526135 (1996-06-01), Chiba

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