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Terms and Glossary

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White Balance

Most desirable condition is when a white subject is reproduced as white on a screen indicating that the red, green and blue are well balanced.


Effects technique in which one scene appears to push another off screen.

Word Clock

An acknowledgement and transmission signal which enables a receiving system to adjust it's timing for incoming digital audio packets

Wow and Flutter

Slow or fast changes respectively in the speed of a tape transport which causes a variation in audio pitch.


Also referred to as a 'file container'. This is the file strcture around the video/audio codec that contains technical metadata about the file. Vide/audio players/editors will use this information to understand how to play/edit the file (assuming they understand the format, as not all players can play all formats).


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