Digital chrominance signal processing system

摘要

A digital chrominance signal processing system for processing an input digital composite chrominance signal, which is sampled with a sampling frequency fs=2mfsc, wherein m is an integer and fsc is a color subcarrier frequency, has a decoder for decoding the input digital composite chrominance signal into digital chrominance components, the decoder including a code converter for inverting the input digital composite chrominance signal and a switch for selectively switching between the input digital composite chrominance signal and an output of the code converter at a switching rate mfsc.