I was one of those people with the problem, and I used cygwin to compile
the demo code. It was a major change from using the echo canceller in
Visual Studio 2005, but it helped.
I wanted to see how it worked with my audio data as it was in the net
stream. I the mic in, and echo ref data to files at the point of using
them in the echo canceller. I ran them through the testecho using cygwin
to produce a third file and converted all the to .wav with sox. I then
used Audacity to view all three files. I found out the audio drivers I
was using were causing my echo to enter the mic strean 220ms after it
was seen as speaker ref data.
You may have a similar problem. I used a queue to delay the speaker data
for 210ms before passing it to the echo canceller and have had no
further problems.
Charlie
Yong Chen wrote:
>Hi,
> Is there any win32 echo canceller demo with source code,speex echo
canceller is very good,but with real net stream,it seems not work, it seems many
people has this problem.Thanks a lot.
> Best regards
>
> Yong Chen
> admin@seeyoucn.com
>
>
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