[Speex-dev] low data rate codecs

Pandya, Julee julee.pandya at lmco.com
Fri Apr 24 11:58:43 PDT 2009



I've been testing out the speex narrowband codec at low data rates
(using linphone and Counterpath's Eyebeam).  I'm finding that at data
rates of ~25 kbps, the quality of the voice call is very poor.  I know
speex is supposed to work at much lower data rates (~2 kbps).  Has
anyone verified that speex will produce reasonable quality at low data
rates?  Are there any existing VoIP software clients that will utilize
speex at low data rates?


Any help is greatly appreciated!




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