Displaying 1 result from an estimated 1 matches for "m_pspeexpreprocessstate".
2011 Jan 10
1
AEC seems to distort voice
...resulting data should be the same as the echo data?
My chain is like this:
1. get playback and capture data
2. down sample both to codec rate
3. do echo cancellation
4. do pre processing (using speex. The preprocessor also does residual
echo cancelling because i called
"speex_preprocess_ctl(m_pSpeexPreprocessState,
SPEEX_PREPROCESS_SET_ECHO_STATE, m_EchoState)")
5. encode and send data over network.
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Regards,
Niels Werensteijn