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Glossary Video / Term

VIR (Vertical Interval Reference)

(VIR, Vertical Interval Reference) A signal that was placed on line 19 of the vertical interval designed to provide a reference for luminance and chrominance levels. It isn’t used much any more. Much of the television transmission world has replaced it with a reference signal for ghost canceling circuits.

Permanent link VIR (Vertical Interval Reference) - Creation date 2020-07-14


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