Audio track may refer to:
* An
audio signal
An audio signal is a representation of sound, typically using either a changing level of electrical voltage for analog signals or a series of binary numbers for Digital signal (signal processing), digital signals. Audio signals have frequencies i ...
communication channel in a storage device or mixing console
*
Track (optical disc), a subdivision of an optical disc, such as a compact disc
**
Music track
An album is a collection of audio recordings (e.g., music) issued on a medium such as compact disc (CD), Phonograph record, vinyl (record), audio tape (like 8-track cartridge, 8-track or Cassette tape, cassette), or digital distribution, dig ...
, an individual song or instrumental recording on an album
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