Displaying 5 results from an estimated 5 matches for "acous".
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2007 Mar 05
1
Performance of the acoustic echo canceller
Hi All, I am working on my master project to port the Speex Acousic Canceller to FPGA. But I am not able to get a satisfied result in its performance whenI integrated it to a SIP softphone as my first step. The SIP softphone calls to a PSTN gateway and lands to my land line phone. I can hear the echo of my every word while I talks on the land line phone. I am...
2005 Aug 05
3
Is this echo problem down to IP Phone hardware?
Hello
I have a Grandstream GXP2000 with latest firmware. When I use it holding the handpiece I don't hear any echo - neither does other end. However, if I use it handsfree, the other end notices echo when they speak - ie their voice is echoy. I hear their voice being a bit echoy.
Is this purely down to the IP Phone? Is there anything I can do about it? I considered buying a more
2007 Mar 06
0
Performance of the acoustic echo canceller
....htmlCapture1.zip is first case, 20db ERL. Capture2.zip is second case, 0db ERL. Bunch of thanks! Regards,William> Date: Mon, 5 Mar 2007 20:27:39 +1100> From: jean-marc.valin@usherbrooke.ca> To: espzzh@hotmail.com> CC: speex-dev@xiph.org> Subject: Re: [Speex-dev] Performance of the acoustic echo canceller> > Best advice I can give is to record the near-end and far-end files, pass> them through testecho (disable the preprocessor) and check the result.> Then check why it's not working (if that's the case). Some usual suspects:> > 1) Clock drift between captu...
2007 Mar 06
0
Performance of the acoustic echo canceller
...2.0. I am posting this msg with IE 7.0 and see if it make any difference. Anybody experienced the
same issue and how to workaround it?
Thanks a lot!
Regards,
William
From: espzzh@hotmail.comTo: jean-marc.valin@usherbrooke.caCC: speex-dev@xiph.orgSubject: RE: [Speex-dev] Performance of the acoustic echo cancellerDate: Tue, 6 Mar 2007 01:39:11 -0800
Hi Jean-Marc, Thanks for the suggesting. I tried the test wtih my recording file offline through the testecho. I got the same result(no prepocessor echo suppression) as my recording file for that live call. Basically I don't see the diff...
2007 Mar 06
1
Performance of the acoustic echo canceller
...Capture1.zip is first case, 20db ERL. Capture2.zip is second case, 0db ERL. Bunch of thanks! Regards,William
> Date: Mon, 5 Mar 2007 20:27:39 +1100> From: jean-marc.valin@usherbrooke.ca> To: espzzh@hotmail.com> CC: speex-dev@xiph.org> Subject: Re: [Speex-dev] Performance of the acoustic echo canceller> > Best advice I can give is to record the near-end and far-end files, pass> them through testecho (disable the preprocessor) and check the result.> Then check why it's not working (if that's the case). Some usual suspects:> > 1) Clock drift between captu...