- A/B editing
A style of editing in which you edit together clips in pairs—A and B—typically with a transition from one to the next. In Premiere, the A/B Editing workspace configures the Monitor window in Program view and the Timeline with separate expanded tracks for Video 1A, Video 1B, and Transitions. This style is useful for assembling a program with simple drag-and-drop convenience. See also single-track editing.
Acronym for Audio Interchange File Format; Macintosh audio file format. Can be used for uncompressed and compressed data. See also WAV.
- alpha channel
Extra information stored with an image to define transparent areas used for keying and superimpositions. Also called an alpha mask. Sometimes present ...