Frame synchronization (video)

In video, frame synchronization is the process of synchronizing display pixel scanning to a synchronization source. When several systems are connected, a synchronization signal is fed from a master system to the other systems in the network, and the displays are synchronized with each other.

Frame synchronizer

Further information: Time base corrector

A frame synchronizer is a device used in live television production to match the timing of an incoming video source to the timing of an existing video system. Frame synchronizers are used to match the timebase of a piece of video equipment to a professional video system. The frame synchronizer essentially takes a picture of each frame of incoming video and then immediately outputs it with synchronization signals that match an existing video system. A common genlock signal must also be fed to a frame synchronizer so that all equipment within a system operates on a common timebase. This corrects certain glitches that occur when switching between video sources, e.g. live cameras, video playback devices, or video effects devices.

See also

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