from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A device used in film production, having hinged boards that are brought together with a clap, used to synchronize picture and sound at the start of each take of a motion picture or other video production.

from the GNU version of the Collaborative International Dictionary of English

  • n. a device which synchronizes sound and picture while making a motion picture, consisting of boards held in front of a movie camera, which are are banged together.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. photographic equipment used to synchronize sound and motion picture; boards held in front of a movie camera are banged together


clapper +‎ board (Wiktionary)



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  • The slate that marks each take by number and synchronizes sound and vision.

    June 8, 2008