[Speex-dev] AEC synch problems on Windows Mobile

Jean-Marc Valin jean-marc.valin at usherbrooke.ca
Wed Feb 13 13:26:33 PST 2008

If you have a large delay between the mic and speaker signals (assuming
mic is late), all you need to do is buffer the speaker signal to delay
it as well.


Mohammed Sulaiman a écrit :
> Hi, I've sorted the performance issues i had in a previous post. Now the
> AEC runs but does not cancel any echo. I have a scenario where i have a
> single thread processing thread messages WOM_DONE and WIM_DATA which
> tell me when Windows Mobile OS has played the buffer or received the
> buffer respectively. Anyone any ideas how to sync the mic and the
> speaker. Any tips would be useful.
> Thanks
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