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Glossary Digital Television / Term

Co-siting

Relates to SMPTE 125M component digital video, in which the luminance component (Y) is sampled four times for every two samples of the two chrominance components (Cb and Cr). Co-siting refers to delaying transmission of the Cr component to occur at the same time as the second sample of luminance data. This produces a sampling order as follows: Y1/Cb1, Y2/Cr1, Y3/Cr3, Y4/Cb3, and so on. Co-siting reduces required bus width from 30 bits to 20 bits.

Permanent link Co-siting - Creation date 2020-05-31


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