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

[Damien Sandras <dsandras seconix com>]

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.
-- 
 _     Damien Sandras
(o-      
//\    Ekiga Softphone : http://www.ekiga.org/
v_/_   NOVACOM         : http://www.novacom.be/
       FOSDEM          : http://www.fosdem.org/
       SIP Phone       : sip:dsandras ekiga net