During Slating When Do You Clap?
Traditionally, When Working with an External Audio Recorder, You Start That First, the Clapper or 2Nd Camera Assistant, Handling the Slate, Waits for...
Traditionally, when working with an external audio recorder, you start that first, the clapper or 2nd Camera Assistant, handling the slate, waits for confirmation of speed and then audibly reads the slate. After the video devices are started, the 2nd Camera Assistant shows the slate, and then claps the sticks.
Why do they clap before filming?
To do that, it helps to have a way to synchronize the image and the sound. ... The clap or click of the board is easy for editors to pick out on the audio track and match to the visual of the clapper clapping on the film, syncing the moving picture with the sound.
What is the purpose of clapping a slate?
Acrylic slate
The clapperboard or clapboard — but always “slate” on set — is used by the Second Assistant Camera (2AC, also known as Clapper/Loader). The main purpose is to tell the post-production team when the camera has started (and stopped) recording.