[Speex-dev] Echo Cancellation for silent echo signal

Jean-Marc Valin jean-marc.valin at usherbrooke.ca
Tue Jul 18 19:02:11 PDT 2006

I usually try to go past English grammar (I'm not a native speaker
either), but this is bad to the point that it's very hard for me to even
understand what you mean. Can you please proofread what you write a bit
more and send it again?


On Wed, 2006-07-19 at 09:47 +0800, Yong Chen wrote:
> Hi Jean-Marc,
>     I am developing a voice chat for win32 using speex,when I do echo cancellation, after 2 seconds adaptation,
> the echo canceller work very well,but after process silent(zero) echo signal(when enabled VAD,DTX),it work very bad,I 
> have to reset it, it seems adapt faster then do not rest it, so I always here echo produce by my fisrt two second
> speech,how can I solve this problem? thank you ver much.
>                    Best regards
>             Yong Chen
>             admin at seeyoucn.com
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