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mm_wim_done
2009 Oct 16
1
Please help in understanding Speex echo cancellation
I'm using Speex in Windows VoIP application and trying to implement echo
cancellationI'm using waveInXXXX and waveOutXXXX API. I'm doing quite simple
thing:
After buffer is played (I get MM_WOM_DONE message) I'm just copying it's
content to temporary playback buffer
After buffer is recorded (I get MM_WIM_DONE message) I call
speex_echo_cancellation(state, recorded_buf, playback_buf, out);
Access to playback buffer is synchronized, so it is not being read and
filled at the same time.
I...