Access Time This is a measure of the speed of a hard disk drive. The access time is equal to the seek time – how long it takes the read/write arm to find a file on the hard disk platter – plus the latency – the amount of time it takes for the disk to spin the data around to the read/write head.

A/D or ADC These are abbreviations for Analogue-to-Digital Converter. An Analogue-to-Digital Converter converts analogue audio into a stream of 1s and 0s referred to as binary digits or bits.

ADAT Optical Format As used on the popular Alesis ADAT recorders, this format is increasingly to be found in DAW interfaces and compact digital mixers such as the Mark of the Unicorn 2408 and the Yamaha 02R, as well as on popular digital I/O cards for personal ...

Get Pro Tools for Music Production, 2nd Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.