[PlanetCCRMA] usb audio interface comparisons

francis keyes fkeymo at gmail.com
Sun Jun 28 16:44:23 PDT 2009

I'm surprised to hear that the M-Audio USB stuff isn't well supported.  From
what I gather at the ALSA site the Edirol USB interfaces are not working
fully either.

Does anyone have experience with a USB audio interface that  works well with
Fedora / ALSA / CCRMA?

At bare minumum I need two balanced outputs and 96khz sample rate

Any advice is greatly appreciated.


On Thu, Jun 25, 2009 at 6:08 AM, Sean Beeson <seanbeeson at gmail.com> wrote:

> On Thu, Jun 25, 2009 at 10:28 AM, francis keyes <fkeymo at gmail.com> wrote:
>> Hey All,
>> I'm setting up a laptop audio workstation for the first time and was
>> wondering if anyone has any thoughts on the usb audio interfaces.  I've been
>> using Fredora + CCRMA for a numbers of years with M-Audio delta cards on my
>> desktop machine.  The two USB interfaces I'm currently considering are:
>> M-Audio Fast Track Pro (and/or Ultra)
>> Edirol UA-100
>> I have gathered from other postings that the Fast Track will work.
> I use an M-Audio Fast Track Pro. You will only have the hardware knobs to
> control anything. There isn't any software mixer. After 10 hours or so of
> being on it begins to take on an overdrivin distortion and the only thing
> that clears it up is rebooting your the system. Once I got up and running
> with the PlanetCCRMA repo on Fedora 10, I immediately needed more inputs
> coming into some hardware easily. I have a few external sound producing
> modules that I would love to take the output from individually and further
> patch them into the effects in the DAW, but i am limited to the two ins. I
> really don't like not having some sort of software mixer for it either. I
> have no idea how ALSA knows how and how much to use of the input signal. In
> highnsight I would have tried to get a firewire interface(you have to make
> sure your firewire chipset will work) that has a supported mixer. I would
> definately go with something that others say has more support. I have yet to
> get the monitor outs to work. It shows up as two sound cards under ALSA. The
> second one is the only one with an audio input. As far as I can tell you can
> only use one of those devices at a time. The one other person who I know
> using  one reported the strange distortion and inability to use the monitor
> outs as well. Once I got it going I was basically discovering what that
> person had descrided to me as I went along. But it does work and sounds
> really good. If anyone has gotten further with one, please let me know.
> --Sean
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