Pulse Code Modulation

From Hydrogenaudio Knowledgebase
Revision as of 12:41, 22 March 2005 by Jan (talk | contribs)
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

Pulse Code Modulation (PCM) is a method of recording sound as digital data. The amplitude of the audio signal is sampled at a regular sampling frequency, and quantized with a fixed bit depth.

This technology was created by Alec Reeves in 1937.

See also: PDM and PAM

A page on PCM history