On Sat, Mar 10, 2007 at 04:21:47PM -0500, carmen wrote: > On Sat Mar 10, 2007 at 04:10:30PM -0500, Eric Dantan Rzewnicki wrote: > > On Sat, Mar 10, 2007 at 11:56:32AM -0800, Mark Knecht wrote: > > > On 3/10/07, Lee Revell <rlrevell@xxxxxxxxxxx> wrote: > > > >On 3/10/07, Eric Dantan Rzewnicki <eric@xxxxxxxxxx> 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. > > > 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. > > I'll try that. Thanks for the suggestions ... not holding out much > > hope > a better-isolated sound card might fix the issue as well. ive heard > plenty of noisy desktops/notebooks that were fixed with a proper > pci/pcmcia card.. even if the plugs were still attached to the > card/case rather than breakout... The edirol ua-25 should be a decent device, no? pcmcia is just not cost effective and there only a few choices anyway. I guess for my purposes, I'll be unlikely to ever need to do audio with the laptop in public for longer than the battery life, so I'll live. And I have a delta 66 in my studio PC for working at home. > maybe even a 3-pronged AC adaptor if youre using 2-pronged? kind of a > long shot, but who knows... It's 3-pronged. -Eric Rz.