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2010 Feb 22
0
Speex echo cancellation and denoise issues
...nt humming sound is heard. I open the recorded file in Cool edit pro
tool and see that all the spikes are removed and flat wave is there. What
could be the reason for this behavior?
2. Echo cancellation: I have two separte threads, one to capture live
audio and another one to playback the audio recvevied on the network. Since
audio capture and playback are handled asynchronously I call the function
speex_echo_playback right after I enqueue a buffer for sound card to play
and call the function speex_echo_capture for every packet captured before I
call speex_encode_int for encoding. As soon as the...