What is the function of a clapper slate in production?

• A. Indicates the end of a take
• B. Synchronizes audio and video by providing a timecode, scene, and take marker at the start of a take.
• C. Stores digital assets
• D. Controls lighting

Answer: (B)

The clapper slate works as a precise synchronization and labeling tool at the start of a take. When the blade claps, it creates a sharp audio spike that exactly matches a visible frame in the video, giving editors a clear point to align the sound with the picture. The slate also carries written information like the scene, take number, and often timecode, so everyone knows which shot is being edited and how it fits into the timeline. This combination—a visible cue plus a known timecode and labeling—helps synchronize separate audio and video sources and keeps footage organized across scenes and takes. It doesn’t store assets or control lighting; those tasks are handled by other systems and crew.