static noise and buzzing on YDL

[Jonathan Atkinson]

I too have had this problem on several laptops, it's somehow related to 
the LCD creating interference (magnetic? electromagnetic?) as the 
individual pixels are turned on and off. I usually turn down the 'pcm' 
and 'vol' sliders to about 75% (this is using the GNOME Volume Control 
app, YMMV with KDE) and it goes away.

--Jon

Kristiaan Coppieters wrote:

>>Hi Yellowdog people.  I'm running YDL3 quite successfully on a flower
>>power iMac and have noticed that there is a constant static noise coming
>>from the speakers.  This noise is amplified by moving the mouse (a blue
>>Microsoft USB Optical mouse) - actually moving the mouse creates a
>>buzzing sound which is in adition to the static background noise - and
>>also there is buzzing when different things are going on on the screen -
>>some screen saver modules for example are particularly noisy.  It's
>>quite strange and becoming annoying!  When the machine is booted in Mac
>>OS X there is no noise at all.  I briefly had YDL 2.3 installed a month
>>or so ago and I noticed the noise then too - so it's not this particular
>>version.
>>
>>Has anyone experienced a similar thing or have any suggestions for a
>>workaround?
>>
>>Cheers, David.
>>    
>>
>I had the same problem. It sounds like a bunch of random data being
>interpreted as sound, and the sound changes when moving the mouse or so.
>
>I was able to make it disappear by playing with the Sound Mixer (in the
>'Yellow Dog' popup menu, take Sound & Video, and then Sound Mixer. Twiddle
>the sliders until it's gone).
>
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