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Expansion
An undesired increase in amplitude of a portion of the composite video signal relative to that of another portion. Also, a greater than proportional change in the output of a circuit for a change in input level.
For example, expansion of the sync pulse means an increase in the percentage of sync during transmission.
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- Part of Speech: noun
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- Industry/Domain: Entertainment
- Category: Video
- Company: Tektronix
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