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<body class='hmmessage'><div dir='ltr'>Hello, I'm from Korea and I'm trying to implement realtime AEC with 2 computers and using speex.<BR> <BR>Actually , It works well with 2 computers and they are communicating.(It looks like double-talk but actually one aec and preprocessing algorithm is running in each computer)<BR> <BR>Anyway the problem is after processing(I'm using aec and preprocessing for noise suppression), the output signal's amplitude is reduced. In otherwords, output volume is reduced. I don't know why. <BR> <BR>I experimented like just using aec without preprocessing and just using preprocessing without aec, but output amplitude didn't seem to be reduced.<BR> <BR>And I also tried with wave file instead of realtime, but it wasn't reduced.<BR> <BR>Just when I'm using both aec and preprocessing on realtime, it was reduced.<BR> <BR>Do you have any idea about that? Some times It isn't reduced when it doesn't work well(In this time I can hear my voice a little bit from my earphone).<BR> <BR>I thought most reasoon is because of realtime situation. Please help me and give me some hint. <BR> <BR>Thanks a lot.<BR> <BR>Regards <BR> <BR> <BR>Seo<BR> </div></body>
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