In the rare case we listen to an audio CD these days, we typically rely on off-the-shelf hardware to decode the 1s and 0s into the dulcet tones of Weird Al Yankovic for our listening pleasure. [Luk… ...

The specification of the Compact Disc (CD), which was introduced in 1983. The terms Red Book audio, Compact Disc (CD) and CD-DA (CD-Digital Audio) are synonymous. See CD and CD-DA .

In addition to a USB port (which can send digital audio directly to a computer), there’s an optical port, and a line-level analog output, making the DM13 an easy add-on for home hi-fi setups.

Compact discs weren't always impromptu drink coasters. Once, in the not-so-distant past, they played music, contained pictures, and let people play video ...