![]() ![]() ![]() On a movie set, the pulses from the film camera's motor were used as the genlock signal. With suitable circuitry (genlock), a camera can be made to slave itself to the timing of an incoming signal. That is, cameras generate a video signal, and a picture monitor will "slave" itself to the signal coming in. Without that synchronization, switching from one camera to another would cause a "frame roll" as the system locked to the new camera. Click to expand.A multi-camera video system often uses "genlock," a composite signal that matches up the timing of the various pulses that make up a video picture.
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