[asterisk-users] HPEC audio clipping

[Michael Boers]

In my case, the rx and tx gains are 0.  I will try the 1.4 version for
fxotune to see if that helps.  Thanks for the suggestions!

--
Michael Boers


On 4/6/07, Stephen Bosch <posting at vodacomm.ca> wrote:
>
> Hi:
>
> Greg Siemon wrote:
> > Same issue here as well.
> >
> > Running Centos 4.4 (x86_64) with all updates installed on a Pentium D
> > 2.8 GHz, 1.5GB RAM and TDM800P with 1 x Quad FXS and 2 x FXO ports.
> >
> > I installed the new 64 bit HPEC module earlier in the week when it was
> > released and have been unable to get it to work.  I have the same
> > symptoms as the OP and also noticed that there is much more line noise
> > (soft static) than when HPEC is disabled.
> >
> > I sent a support request in several days ago and I have not yet seen a
> > reply.
>
> I have observed very similar behaviour in an HPEC installation.
>
> Some observations: the clipping happens if receive gain is cranked up.
> If I set the gain to defaults, the clipping goes away, but then I have
> the problem of users complaining that the remote caller is too quiet.
>
> Another recommendation -- whether or not you are using Zaptel 1.2.x or
> 1.4.x, you should always the fxotune from 1.4.x.
>
> A question - do the people who are experiencing this problem have
> non-default gain settings, either in zapata.conf or in the telephone sets?
>
> -Stephen-
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