ok bad news... what about using another sound card ? UGM6 has 2 hi-Z input (but without no phantom) and 2 outputs it may fit your needs
+ a -- do it yourself http://antoine.villeret.free.fr 2013/5/4 Dan Wilcox <[email protected]> > Yes. Ethernet turbo disabled and Ethernet disabled. Disabled cpu freq > scaling. Pd set with realtime permissions: > > sudo chmod 4755 /usr/bin/pd-extended > sudo chmod 4755 /usr/bin/pd > > Setting dwc_otg.speed=1 dosen't work for this card and yields an unstable > system. > > This is pretty disappointing as my old setup was on an embedded 500Mhz > Celeron with half the RAM and almost no video memory, yet (so far) was > running Pd + alsa better than the superiorly specced PI. The main reason > I'm not using the wearable anymore is it's just worn out and trying to fix > flexxed pcbs and the resultant random glitches was getting old years ago. > > On May 4, 2013, at 12:31 PM, Antoine Villeret <[email protected]> > wrote: > > 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 <[email protected]> > >> 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 <[email protected]> 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 >> >> >> >> >> >> >> _______________________________________________ >> [email protected] mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> >> >> >> -------- >> Dan Wilcox >> @danomatika >> danomatika.com >> robotcowboy.com >> >> >> >> >> >> >> _______________________________________________ >> [email protected] mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> >> > > -------- > Dan Wilcox > @danomatika > danomatika.com > robotcowboy.com > > > > > >
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