Glossary

3:2 pull-down

A technique to convert film footage to video footage and back again.

A

AIFF

Short for Audio Interchange File Format, an 8-bit sound file format developed by Apple.

alpha channel

In color images, the fourth channel after the red, green, and blue channels. In black-and-white images, the second channel after the luminance channel.

animation

The process of creating imagery on a frame-by-frame basis either by hand or digitally.

Audio Panel

A tool used to read in AIFF or WAV files, mix them together, extract animation curves based on the audio frequency, and manipulate the timing of the sound.

B

blue screen

An evenly lit, bright, pure blue background used behind images when they’re filmed. The compositing process then replaces ...

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