how does a movie clapperboard work? - electronic white board

If you have a camera then you are used to recording video and sound on the same tape.
The sound and video are always synchronized as they are recorded together in one place (
See How VCRs works for more information).
When shooting a movie, the picture and sound are recorded separately.
The photo is recorded on the film in the camera and the sound is recorded on a separate analog tape recorder (
Or recently on digital tapes such as DAT tapes).
Since they are recorded on two different devices, you need a way to synchronize them. A partition-
The black and white board you said--
It is a traditional way of processing sync.
The bottom of the partition is usually some kind of slate on which you can write down the scene and write down the number.
This information helps to identify footage during editing.
Once the recorder and the camera roll, the partition operator places the partition in front of the camera so that the camera can see it, read the scene and get the information so that the recorder can hear it and then clap his hand.
During the editing process, it is easy to synchronize the sight of clapping with the "clapping" sound on the tape.
The digital slate is a more modern form of partitions.
The recorder contains the time code generator.
The timecode is continuously recorded on special tracks on the tape, and the timecode is also continuously displayed on a large LED display on the digital slate.
By showing the digital slate to the camera before the action starts, the editor knows exactly what the timecode of the tape is and can sync it with the movie.
Sometimes, the digital slate contains a clap board, but it is not usually necessary to clap the board.
The digital slate usually has a slate area because it is still very important to identify each shot during editing.