horizontal synchronizing

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• Genlock — (for Generator Lock) is a common technique where the video output of one source, or a specific reference signal, is used to synchronize other television picture sources together. The aim in video and digital audio applications is to ensure the… …   Wikipedia

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• Clamp, clamping — A&V The circuit or process that restores the dc component of a signal. A video clamp circuit, usually triggered by horizontal synchronizing pulses, re establishes a fixed dc reference level for the video signal. Some clamp circuits clamp sync tip …   Audio and video glossary

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