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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,