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|−|'''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 rate]], and [[Quantization|quantized]] with a fixed [[bit depth]]. | |
|−|This technology was created by Alec Reeves in 1937. | |
|−|== See also == | |
|−|* [[Pulse-Density Modulation]] (PDM) | |
|−|* [[Pulse-Amplitude Modulation]] (PAM) | |
|−|* [http://web.archive.org/web/20030406235542/http://homepage.ntlworld.com:80/quantium/ahr/pcm.htm A page on PCM history] (Archived as of April 6, 2003) | |
|−|[[Category:Technical]] | |