Dpcm predictors for ntsc color composite tv signals using...

Details Dpcm predictors for ntsc color composite tv signals using... Dpcm predictors for ntsc color composite tv signals using...

H - Electricity

04

N

350/33

H04N 11/04 (2006.01)

Patent

CA 1129076

ABSTRACT A method is provided for predicting color composite TV signals in which the distance between co-phased samples can always be kept at a minimum, and which provides a greater flexibility in the selection of the sampling rate so that the efficiency of the TV signal transmission system may be maximized. The color composite TV signal is sampled at a rate fs = n/m x fsc, where n and m are integers and n is even. The phase of the samples between adjacent field lines are shifted in increments of l/m sampling periods 80 that for a wide variety of sampling rates, the desired phase relationship between samples of adjacent lines may be maintained.

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