search for: opalechocancel

Hi, I am using speex-1.2 beta1 version. When I am using sample files from http://www.surfnonstop.com/~bandit/speex/echocard1/ ,example 6, as input to mdf through testecho the output is fine However when I am recording the signals in echocancel.cxx in OpalEchoCanceler::ReceivedPacket taking speaker signal from echo_buf and mike signal from ref_buf, echo cancellation is not affective. Can you please tell me how exactly have you recorded the signals. How may I record such samples to test the echo cancellation. Thanks Gorun Butail The information containe...

...am using speex-1.2 beta1 version. When I am using sample files from > http://www.surfnonstop.com/~bandit/speex/echocard1/ ,example 6, as input > to mdf through testecho the output is fine That's a good start indeed. > However when I am recording the signals in echocancel.cxx in > OpalEchoCanceler::ReceivedPacket taking speaker signal from echo_buf and > mike signal from ref_buf, echo cancellation is not affective. There's many things that can go wrong with AEC in general. First, I suspect Opal doesn't have very good input/output synchronisation. If your speakers are low-quali...