Signal processing

Details Signal processing Signal processing

H - Electricity

03

H

H03H 17/02 (2006.01) H03H 15/00 (2006.01) H04N 9/78 (2006.01) H04N 11/16 (2006.01) H04N 11/18 (2006.01)

Patent

CA 2138804

A signal processor for extracting chrominance information from a composite video signal has transversal filters (45, 46) develop- ing first and second signals (A and B). A look-up table (47) generates a control signal (C) which is a non-linear function of the ratio A/B and simultaneously develops the product B*C. A filter of this form can combine steep frequency response with minimal degradation of the response to pulses.

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