[PD] UA-25 on RPI

[Antoine Villeret]

Hi dan,

Did you try to disable Ethernet turbo or to disable Ethernet at all
as describe on linuxaudio.org [1] ?
it gives me good result with ESI sound card (UGM-6, see my post on the list
from Thursday).

Cheers

a
[1] http://wiki.linuxaudio.org/wiki/raspberrypi

--
do it yourself
http://antoine.villeret.free.fr


2013/5/4 Dan Wilcox <danomatika at gmail.com>

> For what it's worth, output did work using:
>
> pd-extended -nogui -noadc -audiooutdev 3 test.pd
>
> with 3 being the direct alsa interface as opposed to the alsa plug
> interface.
>
> It's when I enable the audioindev that I get crackles. I know there are
> people out there using the UA-25 + jack, but I never needed jack before
> with an embedded setup.
>
> Part of the issue might be the RPI's real-time kernel. My old wearable
> setup was far more unstable with a realtime kernel and using a regular
> kernel with realtime permissions for PD worked far better.
>
> On May 4, 2013, at 11:52 AM, Miller Puckette <msp at ucsd.edu> wrote:
>
> HI Dan -
>
> I tried and got even less far than you apparently did, and gave up.  It's
> too
> bad - the UA 25 is the best USB-powered interface I've found so far.  For
> the
> Pi I now use small, cheap, recent-vintage ones like the Griffin iMic. (but
> there are even cheaper ones :)  If you have low-impedance mics, my best
> guess would be to use an impedance matching transformer (lo to hi) and then
> a "PC mic" (high impedance) interface.
>
> cheers
> M
>
> On Sat, May 04, 2013 at 10:57:35AM -0400, Dan Wilcox wrote:
>
> Howdy everyone,
>
> Anyone had luck with a Roland/Edirol UA-25 with PD on a RaspberryPi? I've
> gotten it working fine with output, but enabling input gives me crackles
> and bad cpu usage. Ideally, I want 2 in / 2 out and this audio interface
> has worked wonderfully with Linux on older/slower machines in the past. The
> RPI should have no problem spec-wise to run this with PD using only alsa ...
>
> --------
> Dan Wilcox
> @danomatika
> danomatika.com
> robotcowboy.com
>
>
>
>
>
>
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>  --------
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>
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