Pulse-code modulation: Difference between revisions

Revision as of 08:51, 27 August 2022

Revision as of 09:15, 1 September 2022

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{{Redirect|PCM}}

{{Use mdy dates|date=July 2013}}

{{Infobox file format

| name = Pulse-code modulation

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* [[Signal-to-quantization-noise ratio]] (SQNR), one method of measuring quantization error

== Explanatory notes==

==Notes==

{{Reflist|group=note}}

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* [http://www.ralph-miller.org/ Ralph Miller] and Bob Badgley invented multi-level PCM independently in their work at Bell Labs on [[SIGSALY]]: {{US patent|3912868}} filed in 1943: N-ary Pulse Code Modulation.

* [http://www.digitalpreservation.gov/formats/fdd/fdd000016.shtml Information about PCM]: A description of PCM with links to information about subtypes of this format (for example [[linear pulse-code modulation]]), and references to their specifications.

* [http://www.digitalpreservation.gov/formats/fdd/fdd000011.shtml Summary of LPCM] – Contains links to information about implementations and their specifications.

* [http://www.tactilemedia.com/info/MCI_Control_Info.html How to control internal/external hardware using Microsoft's Media Control Interface] – Contains information about, and specifications for the implementation of LPCM used in WAV files.

* [http://tools.ietf.org/html/rfc4856 RFC 4856 – Media Type Registration of Payload Formats in the RTP Profile for Audio and Video Conferences] – audio/L8 and audio/L16 (March 2007)

* [http://tools.ietf.org/html/rfc3190 RFC 3190 – RTP Payload Format for 12-bit DAT Audio and 20- and 24-bit Linear Sampled Audio] (January 2002)

* [http://tools.ietf.org/html/rfc3551#page-27 RFC 3551 – RTP Profile for Audio and Video Conferences with Minimal Control] – L8 and L16 (July 2003)

{{High-definition}}

{{Bit-encoding}}

{{Telecommunications}}

{{Authority control}}

[[Category:Quantized radio modulation modes]]

[[Category:Digital audio]]

[[Category:Digital audio recording]]

[[Category:Audio codecs]]

[[Category:Computer file formats]]

[[Category:Digital audio recording]]

[[Category:Digital audio]]

[[Category:Multiplexing]]

[[Category:Quantized radio modulation modes]]

[[Category:Telephony signals]]