[speex-dev] Speex Options

Jean-Marc Valin jean-marc.valin at usherbrooke.ca
Mon Jan 22 02:28:04 PST 2007


Make sure that:

1) You're using svn head, which has many improvements
2) The AEC inputs aren't inverted
3) The delay between the near end and far end signals isn't too big (if
you don't know what I'm talking about, RTFM)
4) The capture and playback are done on the same device (synced clock)

	Jean-Marc

gorun.butail at wipro.com a écrit :
> Hi all,
> 
>  
> 
> I have been trying to implement audio echo cancellation using mdf.c from
> opal-2.2.2. Using testecho.c the output obtained is not satisfactory. It
> is cancelling the far end signal instead of the near end signal as per
> requirement. I have been moving in circles figuring how to approach the
> problem. Is there something wrong with the mdf that I am using?
> 
>  
> 
> I would be really thankful if anybody could guide and help in this
> matter. I am attaching mdf, testecho, as well as input .wav files for
> reference.
> 
>  
> 
>  
> 
> Regards,
> 
> Gorun Butail
> 
>  
> 
> 
> 
> 
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