laptop noise (was Re: [linux-audio-user] intel core 2 duo and amd turion 64x2)

[Mark Knecht]

On 3/10/07, Lee Revell <rlrevell at joe-job.com> wrote:
> On 3/10/07, Eric Dantan Rzewnicki <eric at zhevny.com> wrote:
> >
> > One issue though, I'm getting a nasty zipper noise in one monitor
> > connected to the edirol ua-25 whenever any keyboard, trackpad, disk or
> > video activity happens. If I unplug from the power supply and run on
> > battery the noise goes away. Everything (laptop and 2 active monitors)
> > are on the same power strip. ua-25 and remote25 are usb powered. I
> > recall someone else reporting something similar recently.
> >
> > Is there anything I can try to do to get rid of the noise when plugged
> > into power?
>
> I doubt it - it sounds like your laptop vendor used cheap noisy capacitors.
>
> Lee
>

If you use high-end power strips with over-voltage protection like
from APX or other vendors then possibly putting them on separate power
strips might work.

Just a guess though,
Mark