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Iyellkhan t1_iu68n8y wrote

Reply to comment by PianoCharged in TIL, in film, a clapperboard’s purpose is ensuring proper synchronization of audio and video in post-production. It provides a distinct “clap” along with a visual event for the editor to reference at the start of a scene. by PianoCharged

they are, but the cheap ones dont last long where a $100 one will tend to last years.

Theres also the fancier ones that are around $1500 that can show timecode numbers, which will be jam synced to the timecode on the sound recorder. When the clapper drops, it freezes the TC (and shows some other code info) that helps automate the sync process (it also lets you set your clip timecode to match whats on the screen. not a huge deal with digital cameras that are running wireless timecode, but a big deal if you're shooting film where there is no metadata)

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