PAL digital video signal processing arrangement

Details PAL digital video signal processing arrangement PAL digital video signal processing arrangement

1982-10-26

1985-03-19

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 932

Patent

active

045062862

ABSTRACT:
A PAL digital video signal processing arrangement includes converter circuitry for sampling a PAL system video signal in response to sampling pulses having sampling points associated with .+-.U and .+-.V modulation axes on a color vector plane to convert an analog composite video signal containing a luminance signal and a color subcarrier into a digital video signal, and a modulation axis inverting configuration for inverting the polarity of the digitized color subcarrier at the sampling points associated with the .+-.V axis.

REFERENCES:
patent: 4322739 (1982-03-01), Drewery
Devereux, V. G., "Differential coding of PAL Colour signals using same line and two-dimensional Prediction", BBC Research Dept., Report No. 1975/20, 1975.

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