View source for CELP

{{Wikipedia|Code-excited linear prediction|MPEG-4 Part 3}}
CELP stands for code-excited linear prediction. It refers to any of a class of algorithms used in speech codecs to "tune out" background noise by focusing on the expected frequencies of speech.

[[Codec]]s that use any type of CELP:
* [[MPEG-4]] (optional for audio)
* [[Opus]]
* [[Speex]]
* [[G.728]]

== Further reading ==
* https://people.xiph.org/~jm/papers/aes120_speex_vorbis.pdf
* https://www.speex.org/docs/manual/speex-manual/node9.html
* [[wikipedia:CELT|CELT (at Wikipedia)]] - CELT was merged into Opus

[[Category:Glossary]]