[Speex-dev] Echo canceller: residue value

Jean-Marc Valin Jean-Marc.Valin at USherbrooke.ca
Tue Jun 7 12:50:46 PDT 2005

That's because the power spectrum includes both the DC and Nyquist
frequency. Now that you mention it, I might as well not include the DC
since the preprocessor gets rid of it anyway.


Le mardi 07 juin 2005 à 21:06 +0200, Kleijn, J.S. de a écrit :
> Hi Jean-Marc,
> For the residue in the echo_cancel function I pass in a pointer to an array of floats. First I used an array the size of the framesize, but I discovered this causes crashes because the echo_cancel funtion writes framesize+1 floats to the pointer.
> I find this plus one strange, since almost all things are exactly the framesize. Is this an error in the echo_cancel function or simply an exception?
> Maybe you should define in the manual what exactly the residue is, meaning a float array of which size?
> Greetings Jeroen de Kleijn
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Jean-Marc Valin <Jean-Marc.Valin at USherbrooke.ca>
Université de Sherbrooke

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