In order to convert film to video (for telecine or TV broadcasting for example), some frames will have to be repeated to prevent the footage from speeding up.
This tone allows the film lab and sound editors to correctly synchronize the audio to picture.įilm is shot at 24 fps and NTSC video is displayed at 29.97 fps.
Following on from the Academy leader, a single frame with a number '2' on it will appear that has a short audio tone for its duration.
