0 a device, used by people making films, that consists of a board with two parts that are hit together at the start of filming
The sound is synched to the film using a clapperboard as a reference.
On the set, a clapperboard is used to mark the spot where the sound and picture will later be synced.
A clapperboard slate is used at the start and sometime at the end of scene to mark particular takes recorded during a production.
At one stage there is use of a clapperboard.
Other names for the clapperboard include clapper, clapboard, slate, slate board, sync slate, time slate, sticks, board, and sound marker.
Film takes are often designated with the aid of a clapperboard.
He has been anachronistically claimed to have been the inventor of the clapperboard.
In some productions, particularly those created in the digital domain, electronically superimposed versions of a clapperboard have supplanted the real thing.
