Glossary of Electronic Music Terms
A device that changes the continuous fluctuations in voltage from an analog device (such as a microphone) into digital information that can be stored or processed in a sampler, digital signal processor, or digital recording device.
The CD Recordable Glossary
A device that samples an analog signal at regular intervals and quantizes each sample, that is, represents each sample's value with a binary number of some predetermined length. Analog-to-Digital conversion samples analog signals to produce a digital signal that describes the original analog signal.