A studio usually has one of several video signal systems.
Composite versus Component Video
Problems of Composite Video
You learned that encoding is the process of combining the three chrominance channels and the luminance channel into a single composite video signal. Many pieces of video equipment need to decode this composite signal into its component parts in order to process and use it. Of course, the component signals must then be re-encoded before the composite signal can be sent on its way from that piece of equipment. Every time the signal is encoded or decoded, it is distorted a little and some noise is added. As creative people want to use more sophisticated production techniques and consumers want a better picture, demands are being ...
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