Recording with Alesis IO/2, what about the "noise"?

Giuliano Braglia forevergyl at
Fri Mar 18 14:11:37 UTC 2011

2011/3/17 Thomas Orgis <thomas-forum at>

> Am Thu, 17 Mar 2011 13:31:23 -0500
> schrieb Timothy Cook <timothywayne.cook at>:
> > I have this device as well.  When I first used it I had the same issue.
> > Playing around with the settings in QJackCtl finally eliminated it.
> Hm, I don't remember such an issue. I do remember ground loop noise induced
> with the help of the laptop's crappy wiring, but that did not appear on
> recordings and was also helped by exploiting the balanced outputs (ground
> lift).
> But what I can imagine is that the input gain is set too high -- noise
> characteristics of amplifiers are not best at full tilt. When JACK settings
> fix it ... then it's a weird side effect of the driver, certain period
> setup? Funny.

Actually, my noise could not be related to JACK, because it is present even
without it, when I listen through the direct monitor.

You think that I should also check if my pc is properly wired with the
ground lift?
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