Signal processor for converting playback signal in NTSC standard

Details Signal processor for converting playback signal in NTSC standard Signal processor for converting playback signal in NTSC standard

1998-06-04

2000-11-28

Nguyen, Huy

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

348454, H04N 576, H04N 701

Patent

active

061546046

ABSTRACT:
A video signal processor includes a decoder supplied with a playback signal formatted in accordance with the standards of National Television System Committee and producing a digital video signal with a vertical synchronous frequency and a horizontal synchronous frequency satisfying a standard of Phase Alternation by Line Color Television System, an encoder connected to said decoder and producing said analog video signal with a color sub-carrier frequency satisfying another standard of said Phase Alternation by Line Color Television System and a signal generator supplying a clock signal and a color carrier signal regulating the horizontal synchronous frequency and the color sub-carrier frequency to the relation expressed as

REFERENCES:
patent: 4500930 (1985-02-01), Hamalainen et al.
patent: 4573086 (1986-02-01), Sakai et al.

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