What is an audio CD?

An audio CD is a digital optical disc that stores audio data. It was first introduced in 1982 by Sony and Philips. Audio CDs can hold up to 80 minutes of audio data, or 700MB of data.

Audio CDs are used to store music, audio books, and other audio files. They can be played on a computer, CD player, or other audio device.

Most audio CDs are produced in two formats: Red Book and Yellow Book. Red Book audio CDs are the standard format, and can be played on any CD player. Yellow Book audio …