Re: speex echo cancellation tested?

On Thu, 2008-04-24 at 09:23 -0400, Mihai Balea wrote:
> > If I can verify that the latest speex AEC works
well inside of  
> > iaxclient
> > on linux, I might try getting one of the
low-latency Windows portaudio
> > implementations working.  In regards to the wmme
API, you're right --
> > it's unusable for AEC.
> 
> Good luck with that.  Just to spare you some pain, I've
tried Direct  
> Sound, and it does improve AEC performance., but it
introduces some  
> other issues, such as audio under/overflows.  In
addition to that,  
> Portmixer doesn't work with DirectSound, so you won't
have volume  
> controls.

This is my first time compiling code checked out from the
svn
repository.  When trying to run the autogen.sh script in
your echocan
branch, autoconf is generating an error when it comes
across
"PKG_REQUIRES":

configure.ac:213: error: possibly undefined macro:
PKG_REQUIRES
      If this token and others are legitimate, please use
m4_pattern_allow.
      See the Autoconf documentation.

Any clue what I need to do to fix this issue?  I've got
pkgconfig
installed on my system as well as the necessary version of
autoconf.

-Matt
  






> Let us know how it goes...
> 
> Mihai


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On Thu, Apr 24, 2008 at 10:28 AM, Matthew Crane
<mcranenovell.com> wrote:
>
> On Thu, 2008-04-24 at 09:23 -0400, Mihai Balea wrote:
>  > > If I can verify that the latest speex AEC
works well inside of
>  > > iaxclient
>  > > on linux, I might try getting one of the
low-latency Windows portaudio
>  > > implementations working.  In regards to the
wmme API, you're right --
>  > > it's unusable for AEC.
>  >
>  > Good luck with that.  Just to spare you some
pain, I've tried Direct
>  > Sound, and it does improve AEC performance., but
it introduces some
>  > other issues, such as audio under/overflows.  In
addition to that,
>  > Portmixer doesn't work with DirectSound, so you
won't have volume
>  > controls.
>
>  This is my first time compiling code checked out from
the svn
>  repository.  When trying to run the autogen.sh script
in your echocan
>  branch, autoconf is generating an error when it comes
across
>  "PKG_REQUIRES":
>
>  configure.ac:213: error: possibly undefined macro:
PKG_REQUIRES
>       If this token and others are legitimate, please
use
>  m4_pattern_allow.
>       See the Autoconf documentation.
>
>  Any clue what I need to do to fix this issue?  I've
got pkgconfig
>  installed on my system as well as the necessary
version of autoconf.

Perhaps it is complaining because the PKG_REQUIRES variable
is being
referenced before it is ever declared. Try writing
PKG_REQUIRES=""
somewhere before line 213 (e.g. 207).

Pete

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