[Speex-dev] Problems with MDF

Jean-Marc Valin Jean-Marc.Valin at USherbrooke.ca
Mon Feb 6 03:25:19 PST 2006


I have found the following page that describes a lot of useful things to
understand about echo cancellation:

More specifically, the following part describes common problems that can
cause echo cancellation not to work:


Le lundi 06 février 2006 à 12:19 +0100, azeraht a écrit :
> Hi, I'm still trying to implement speex AEC into my VOIP project and I have some problrm with MDF filter response. I have plots of ref(near-end), y(filter response) signals and from plots I obtain that filter response is to small so when i substruct it from ref signal there is no efect. Is there any way to make filter giving response about ref signal amplitude?
> /Przemek Stajniak.  
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