On Fri, Jun 6, 2008 at 2:21 AM, Thomas Vaughan (Yahoo) <tomva1@email-addr-hidden> wrote:
> Hello all-
>
> I've been setting up a digital audio workstation using Fedora 8 and the PlanetCCRMA realtime kernel. I've got an M-Audio Fast Track Pro connected via USB for audio and MIDI i/o.
>
> A log of my efforts is here: http://www.wavepacket.net/tomva/wl-012-mobile-daw.html
>
> Everything has worked out great so far, *except* for recording.
>
> When I attempt to record audio using the Fast Track Pro, I hear a *lot* of line noise. It doesn't seem to matter what input I use (1/4" jack or XLR), nor does adjusting the sample rate or frame count. I get the hiss recording a guitar (direct line) or mic. I don't see any xruns.
>
> The Pro appears to have some sort of noise gate? Certainly it is quiet until I start playing, at which point I'll hear the guitar plus a lot of hiss. Other parts of my sound gear don't show this symptom.
>
> Any ideas? I'm hoping this is due to bad Alsa/JACK settings and not to the Fast Track Pro.
>
- Try a different USB port
- See if you can reproduce the problem on another OS
Lee
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Received on Sat Jun 7 04:15:02 2008
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