[LAU] recommendations for usb sound card?

[Lee Revell]

On Sun, Mar 9, 2008 at 3:15 AM, James Stone <jamesmstone at gmail.com> wrote:
> On Sat, Mar 08, 2008 at 07:03:30PM -0500, Lee Revell wrote:
>  > On Sat, Mar 8, 2008 at 2:58 AM, James Stone <jamesmstone at gmail.com> wrote:
>  > > Hi,
>  > >
>  > >  I am wanting to use the eeepc for a mobile sound generation unit,
>  > >  but unfortunately the gfx card and sound card share the same
>  > >  interrupt.
>  >
>  > This is not necessarily a showstopper.  At least in theory.  Do you
>  > have any empirical evidence that it's a problem for you?
>
>  xruns..
>

OK.  And you're sure the IRQ priorities were set correctly, realtime
kernel used, JACK in realtime mode, etc?

>
>  >
>  > I would think that if you can disable the VSYNC interrupt from the gfx
>  > card, that it would be even less of a problem.  In my experience,
>  > VSYNC interrupts on Linux don't help anyway - I've compared the
>  > results with and without it enabled on both ATI and NVIDIA cards and
>  > the display tears horribly (esp. when playing movies or moving windows
>  > quickly) either way.
>
>  Sounds good. How do I disable that?
>

In the control panel for your video card.  nvidia-settings for nvidia,
amdcccle for ATI, no idea for Intel.

Lee