[Bug 25759] noise (sound not video) when moving cursor or window with a x300 ( rv370 m22 ) integrated card

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=25759





--- Comment #5 from moebius <moebius1 at free.fr>  2009-12-22 09:41:33 PST ---
(In reply to comment #3)
> It might be possible audio chip picks up some interference. In particular
> unconnected mic inputs are often subject to this, so try muting audio to see if
> the sound comes from there. Otherwise I'm not sure where the sound could come
> from - what you describe doesn't look like it could be "coil whine" (I don't
> think that would happen with these low power mobile chips anyway).
> 

Well, sound is off, the noise doesn't come from speakers.

What is "coil whine" ?

thank for your help


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