single-system recording
Quick Summary
Single-system recording in filmmaking involves capturing sound and image simultaneously on the same camera. This method is primarily used for news filming where speed is prioritized over optimal sound or image quality.1
In contrast, double-system recording, the standard in professional filmmaking, records sound on a separate unit from the camera. This separation allows for greater flexibility in post-production. To ensure synchronization between the separate sound and picture tracks, a clapperboard (or digital slate) is used to mark the beginning of each take. Precise synchronization is crucial, especially in close-ups, and is maintained by ensuring both the camera and recorder operate at the same speed, often achieved through a common power supply, sync-pulse signals, or crystal sync technology.1
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