Key source

Key source

A hole cutter. The signal which is said to “cut a hole” in the background scene for a key effect. In actuality, this signal controls a video mixer which switches between the background scene and the fill video; thus, the key source determines the shape of the key effect.

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Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Software
Category: Video editing
Company: Tektronix
Product:
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