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, and was developed to store and play back high-quality digital audio.

How does an audio CD work?

An audio CD works by storing digital audio data on a plastic disc. The disc is then read by a laser, which converts the data back into an audio signal that can be played back by a CD player.

What can you do with an audio CD?

An audio CD can be played back on a …