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	<title>CELP - Revision history</title>
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	<updated>2026-11-04T19:51:26Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.videolan.org/index.php?title=CELP&amp;diff=58242&amp;oldid=prev</id>
		<title>DoesItReallyMatter: Create from scratch an overview glossary page with further reading links</title>
		<link rel="alternate" type="text/html" href="https://wiki.videolan.org/index.php?title=CELP&amp;diff=58242&amp;oldid=prev"/>
		<updated>2019-02-20T04:51:24Z</updated>

		<summary type="html">&lt;p&gt;Create from scratch an overview glossary page with further reading links&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Wikipedia|Code-excited linear prediction|MPEG-4 Part 3}}&lt;br /&gt;
CELP stands for code-excited linear prediction. It refers to any of a class of algorithms used in speech codecs to &amp;quot;tune out&amp;quot; background noise by focusing on the expected frequencies of speech.&lt;br /&gt;
&lt;br /&gt;
[[Codec]]s that use any type of CELP:&lt;br /&gt;
* [[MPEG-4]] (optional for audio)&lt;br /&gt;
* [[Opus]]&lt;br /&gt;
* [[Speex]]&lt;br /&gt;
* [[G.728]]&lt;br /&gt;
&lt;br /&gt;
== Further reading ==&lt;br /&gt;
* https://people.xiph.org/~jm/papers/aes120_speex_vorbis.pdf&lt;br /&gt;
* https://www.speex.org/docs/manual/speex-manual/node9.html&lt;br /&gt;
* [[wikipedia:CELT|CELT (at Wikipedia)]] - CELT was merged into Opus&lt;br /&gt;
&lt;br /&gt;
[[Category:Glossary]]&lt;/div&gt;</summary>
		<author><name>DoesItReallyMatter</name></author>
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