Difference between revisions of "Pulse Code Modulation"
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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]]. | '''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. | This technology was created by Alec Reeves in 1937. | ||
− | See also | + | == See also == |
+ | * [[Pulse-Density Modulation]] (PDM) | ||
+ | * [[Pulse-Amplitude Modulation]] (PAM) | ||
− | [http://homepage.ntlworld.com/quantium/ahr/pcm.htm A page on PCM history] | + | * [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]] |
Revision as of 04:17, 16 September 2020
This article is a stub. You can help the Hydrogenaudio Knowledgebase by expanding it.
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 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)
- A page on PCM history (Archived as of April 6, 2003)