Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1995-08-23
1998-01-20
Faile, Andrew
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386 81, H04N 5783
Patent
active
057108587
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: 5155477 (1992-10-01), Shirochi
patent: 5315401 (1994-05-01), Okada et al.
patent: 5377050 (1994-12-01), Yun
patent: 5434677 (1995-07-01), Oikawa
patent: 5583650 (1996-12-01), Lane et al.
Izumi Nobuaki
Oikawa Yuka
Yanagihara Naofumi
Boccio Vincent F.
Faile Andrew
Frommer William S.
Sinderbrand Alvin
Sony Corporation
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