Re: [Ekiga-list] Bad sound from mic in Windows Ekiga

[Damien Sandras <dsandras seconix com>]

Le mercredi 24 octobre 2007 �8:20 +0100, Dave Higton a �it :
> > -----Original Message-----
> > From: ekiga-list-bounces gnome org 
> > [mailto:ekiga-list-bounces gnome org] On Behalf Of Damien Sandras
> > Sent: 2007 October 23 17:07
> > To: Ekiga mailing list
> > Subject: Re: [Ekiga-list] Bad sound from mic in Windows Ekiga
> > 
> > Hello,
> > 
> > Le mardi 23 octobre 2007 �6:12 +0100, Dave Higton a �it :
> > > I've just deleted my Ekiga installation (which came from
> > > ekiga-setup-2.0.9-BETA.exe, and on which I never got more 
> > than a buzz
> > > from the microphone) and replaced it from 
> > ekiga-setup-2.0.11-BETA.exe.
> > > This is an improvement, i.e. it's not quite as disastrous; 
> > I can hear my
> > > voice, though with a bad buzz added, and probably even 
> > modulated by the
> > > buzz.  I'm referring to what I hear when I run the audio test in the
> > > installation process.
> > > 
> > > I can hear other sounds in the headphones OK, so I know 
> > that audio out
> > > is working OK.
> > > 
> > > I have the impression that there's a mismatch in the 
> > sampling rates.  I
> > > opted to install with a sample rate of 8000, which wasn't 
> > offered in the
> > > list, it had to be a custom sample rate.  I need 8000 as I 
> > need to be
> > > compatible with common telecom sample rates.
> > > 
> > > I think my next step will have to be to feed in a signal 
> > from a signal
> > > generator and look at the output with an oscilloscope while 
> > running the
> > > test.
> > > 
> > > OS is Windows XP with a full set of updates.  The sound system is
> > > Realtek AC97 Audio for microphone and playback.
> > > 
> > > Can anyone suggest what might be done to fix the problem?  
> > Have others
> > > experienced the same?
> > 
> > The sound audio test runs at 16 kHz. But when making calls, 
> > it will use
> > 8 kHz or 16 kHz depending on the codec being used.
> > 
> > I can not really help for your audio problem though, it seems 
> > to be some
> > kind of hardware driver problem.
> 
> I don't think so.  I just used Cool Edit 96 to record a few
> seconds of my voice and play it back.  This uses the same
> drivers as does Ekiga - but Cool Edit records and replays
> fine.  I set Cool Edit to record in 8 bit mono at 8000 Hz.
> 
> It has to be something about the way Ekiga uses the drivers,
> doesn't it?
> 

That could be.

We have preliminary support for DirectSound, but it is not fully tested
yet....
-- 
 _     Damien Sandras
(o-      
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