Audio CD

Audio CD is an umbrella term that refers to many standards of means of playing back audio on a CD.

It may specifically refer to:

Standards

Compact Disc, an optical disc used to store digital data
Red Book (CD standard), the original means of playing back audio on the medium
5.1 Music Disc, an extension to the red book standard that uses DTS Coherent Acoustics 5.1 surround sound
Super Audio CD, a format which competes with DVD-Audio
MP3 CD, a disc that contains MP3 files in Yellow Book format rather than converted from MP3 to Red Book format

See also

DVD-Audio, a DVD that plays audio

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