Separating components of composite digital video signals

Details Separating components of composite digital video signals Separating components of composite digital video signals

H - Electricity

04

N

350/62

H04N 9/78 (2006.01)

Patent

CA 1315395

ABSTRACT OF THE DISCLOSURE A composite digital video signal encoder comprises crosstalk measuring filters for measuring crosstalk between luminance and chrominance components of a composite digital video signal, a vertical comb filter and a vertical/temporal filter each operative to separate one of the luminance and chrominance components from the composite signal, a mixer for mixing output signals produced by the vertical and vertical/temporal filters, and a mixer control means responsive to the measured crosstalk to control the mixing ratio of the mixer in a sense to reduce cross effects in the mixed output signal resulting from the crosstalk.

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