Appendix . Glossary

1:37:1

Aspect ratio of 35mm film, commonly referred to as Academy ratio.

1:85:1

Widescreen version of the Academy aspect ratio.

2:35:1

Aspect ratio common to widescreen, theatrical release motion pictures.

3:2

Aspect ratio common to digital video (DV) and DVD.

3:2 pulldown

A process for converting film footage frame rates to video-footage frame rates. Also referred to as a 2:3 pulldown.

4:3

Aspect ratio of a standard definition NTSC television set.

16:9

Aspect ratio of a television set and HD video formats. Also referred to as 1:78:1.

16-bit

A standard bit depth for digital audio recording and playback.

A

alpha channel

A channel that exists in some file formats along with the color channels. Used to store transparency information for compositing ...

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