Re: [LAU] recommendations for usb sound card?

From: Lee Revell <rlrevell@email-addr-hidden-job.com>
Date: Mon Mar 10 2008 - 19:56:17 EET

On Sun, Mar 9, 2008 at 3:15 AM, James Stone <jamesmstone@email-addr-hidden> 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@email-addr-hidden> 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
_______________________________________________
Linux-audio-user mailing list
Linux-audio-user@email-addr-hidden
http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
Received on Mon Mar 10 20:15:04 2008

This archive was generated by hypermail 2.1.8 : Mon Mar 10 2008 - 20:15:04 EET