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3D Y/C digital comb filter

3D Y/C is the most advanced comb filter available. Like other comb filters, a 3D Y/C processes incoming composite signals, such as those broadcast for cable television. Instead of examining video scan lines, it separates the brightness (luminance) information from the colour (chrominance) information by comparing and interpolating brightness and colour information over three consecutive fields of video. This process eliminates dot crawl and dramatically reduces cross-colour interference and colour ringing.

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