[vox-tech] high-pitch noise when trying to raise the volume

[Peter Jay Salzman]

On Sun 23 Jul 06,  1:28 AM, Hai Yi <yihai2004 at gmail.com> said:
> hello,
> 
> I have a problem with adjusting the volume when I watch the movie or
> listen to the music: the sound becomes unbearable high-pitch noise
> when I raise the volume (using alsamixer or other).
> 
> I hope I could be able to provide more details, however, there is not
> too much info about it.
> 
> Anyone experience this kind of problem?
> 
> Thanks a lot,
> Hai

Hmmm... Sounds like you might be hearing feedback.  Do you have a microphone
hooked up to your soundcard?  If so, disconnect it.

Also, use whatever mixing software you use to mute the input.  For example,
with "xmix" (am I showing my age?) turn "mic" down all the way.

Pete

-- 
The mathematics of physics has become ever more abstract, rather than more
complicated.   The mind of God appears to be abstract but not complicated.
He also appears to like group theory.  ---  Tony Zee's  "Fearful Symmetry"

email: p at dirac.org                      web: http://www.dirac.org/p    
PGP Fingerprint: B9F1 6CF3 47C4 7CD8 D33E  70A9 A3B9 1945 67EA 951D