search for: speex_tail

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2009 Feb 13
0
Why speex echo cancellation is not work
...ex echo cancellation interface as follow, but it seems not work (the echo still exists, my testbed is a small udp based p2p voice chat software). Can anyone tell me why it doesn't work? or whether I have made some mistake? Thanks a lot. #define SPEEX_SAMPLERATE 8000 #define SPEEX_NN 128 #define SPEEX_TAIL 1920 class AECHandler { public: AECHandler(void){ this->st = speex_echo_state_init(SPEEX_NN, SPEEX_TAIL); int tmp = SPEEX_SAMPLERATE; this->den = speex_preprocess_state_init(SPEEX_NN, SPEEX_SAMPLERATE); speex_echo_ctl(st, SPEEX_ECHO_SET_SAMPLING_RATE, &amp...