FC3: sound, keyboard, mouse glitches

[James Wilkinson]

Ken Barber wrote:
> Go into your mixer control app (KMix in KDE, I think it's called Volume 
> Control in Gnome) and you'll find a couple of input devices called IEC958.  I 
> have no idea what they are, but if you turn off the right one the noise will 
> stop.

As I understand it, these are digital interfaces that are commonly sent
over 3.5 mm audio jacks. If they're turned on, and you have analogue
(normal) speakers connected, you hear the digital signal as crackle.

Hope this helps,

James.
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