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What is genlock?

April 26, 2017genlock

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What is genlock?

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Genlock is the ability to synchronize to an external video source. This enables multiple video signals to be mixed or switched smoothly. Without genlock, a rolling bar can be seen passing through the image when multiple sources are mixed or switched. This ability is critical in broadcast and video production environments. The term genlock is frequently mistakenly misinterpreted by the computer industry to include overlay capability. Overlay or chromakey can be accomplished with two (or more) genlocked video signals by utilizing a mixer.