Hello all, I tested call between external speaker(laptop) and other side is desktop(headset). I am using SPEEX_AEC for echo canceller, In the desktop side I hear echo, the echo canceller is not cancelling the echo in external speaker side. In the external speakers side there is an option stereo mix, if I mute that stereo mix I don't hear echo, if I unmute, I hear echo. But this stero mix option is not avalible in all the system. I noticed that play_cb and rec_cb callback calling is not sequential, sometimes play_cb callback is called 3 times after rec_cb is called, some times it is called only twice. we are giving the oldest frame to the echocanceller, its not cancelling the echo. How can I solve the echo problem in external speaker. Thanks, Radha.M -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090525/83ba18af/attachment.html>
