AAC Advanced audio coding; recently developed audio compression method featuring a higher compression efficiency than previous compression methods
AAF Advanced authoring format; a file exchange format developed specifically for network interchange of materials in the postproduction process and compatible with MXF
AAF Association Industry association formed for the purpose of developing the AAF file exchange format and promoting its wide introduction
A/B roll system Linear videotape-editing method that makes use of one recording machine and at least two playback machines, thus permitting cross-fades and other complex transitions between edited clips
AC 3 Audio compression method developed by Dolby Laboratories ...