[PD] PD, Linux and USB multichannel interface

Olivier Baudu lamouraupeuple at gmail.com
Wed Nov 24 21:45:22 CET 2010


Hi...

The M-Audio Fast Track Ultra 8R (8 in / 8 out) USB 2.0 works directly on
Ubuntu 10.10 ( Jack 2 + Alsa 1.0.23) in 48kHz.
But if there is no problem with audio in/out, I failed to use the MIDI
interface...

Good luck

01ivier

2010/11/19 <errordeveloper at gmail.com>

> Most of USB audio devices out there are basic stereo in // stereo out
> and they can do up to 48kHz sampling rate.
>
> What you need is USB audio 2.0, which is firly recent, despite the
> fact that most of other USB devices use the capabilities of 2.0 standard,
> the audio products didn't catch up just yet.
>
> There very few implementation out there, if you find any thing decent - let
> every one know!
> I haven't looked it up very recently, so there may be something already :)
> The latest ALSA driver should have quite good support for it,
> I would advise you to browse ALSA dveloper's mailing list.
>
> for example I can see from back in August:
> "[alsa-devel] Problem with USB Class 2 Audio Driver"
>
> Good Luck,
> --
> Ilya
>
> On Thu, Nov 18, 2010 at 09:42:51PM +0100, Carlo Benzi wrote:
> > Hi!
> > I have a question:
> > is there a USB multichannel interface (for example 8 in - 8 out) running
> > under ubuntustudio or studio64 (processor:  Intel Pentium M 740 with 1 GB
> > ram)?
> > I'd like to buy it in order to use Pure Data with this equipment.
> > Thanks a lot for your help!
> > Best greetings
> > Carlo
>
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