Digital color video signal encoder

Details Digital color video signal encoder Digital color video signal encoder

H - Electricity

04

N

350/41

H04N 9/04 (2006.01) H04N 9/64 (2006.01)

Patent

CA 1203891

DIGITAL COLOR VIDEO SIGNAL ENCODER ABSTRACT OF THE DISCLOSURE A digital encoder for use with digital luminance and chrominance signals having black levels includes a level adjusting circuit which adjusts the chrominance and luminance signals to establish a predetermined relationship between the black levels of the level-adjusted chrominance and luminance signals, a chrominance signal modulating circuit which generates a modulated chrominance signal from the level-adjusted chrominance signal, an adding circuit which receives the modulated chrominance signal and the level-adjusted luminance signal and providing an encoded color video signal therefrom, and an attenuator circuit which attenuates the encoded color video signal.

430620

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