On Wed, Apr 06, 2011 at 06:34:03PM -0400, Dave Phillips wrote: > Greetings, > > I've been working with Ardour3 on my laptop, a machine with an AMD > Turion X2 CPU and an nVidia 8200M integrated video chipset. Recently > I started monitoring my test recordings through the headphone output > of my UA25 and I notice that when I move the mouse it creates > scratchy sounds, though QJackCtl reports no xruns and my recordings > are unaffected. I verified the problem with Ardour2 and Mixbus. It > doesn't occur when I use the integrate audio chipset (snd-hda-intel, > wahoo). > > Running 'cat /proc/interrupts' reports that usb1/usb3 share > interrupt 17 and usb2/usb4 share interrupt 16. I've tried switching > ports around but that didn't get rid of the noise. Any further > suggestions ? Do you see any difference if you toggle the ground lift switch at the back? Cheers, S.M. > > Best, > > dp > > > > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user@xxxxxxxxxxxxxxxxxxxx > http://lists.linuxaudio.org/listinfo/linux-audio-user -- _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
