Using the production switcher (vision mixer) in the production control room, the director can intercut or combine pictures from the various video sources (cameras, videotape, film, titling generators, etc.) in endless ways, as well as adding all manner of video effects. The actual switcher panel may be operated by the production director, a supervisory engineer (the technical director), or a specialist operator (switcher, vision mixer).
If you are working on a multi-camera production with rapidly changing shots and frequent intercutting between cameras, you need to have a pretty close rapport with the person operating the switcher to avoid mutual frustration.
In a fast-moving continuous production ...
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