Video Signals

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Revision as of 03:34, 5 June 2013 by ITEM-3 (talk | contribs) (add composite info)
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S-video female connector

S-video splits the video signal into two pieces: chroma (color) and luma (brightness). Chroma and luma are sometimes abbreviated by the letters C and Y, respectively.

Pin Assignments
Pin 1 Ground (Luma)
Pin 2 Ground (Chroma)
Pin 3 Luma
Pin 4 Chroma


Yellow RCA cable

Composite video combines the chroma and luma signals of s-video into a single signal. It is transmitted using an RCA cable, usually with a yellow connector, and is often grouped with red and white audio RCA cables. The inner pin carries the video signal, and the outer ring is ground.