hi dan, tried your setup/instructions. thanks, it now works down to 15ms. at 12ms i start to get clicks here and there…
your script has some “errors” (missing instructions a novice would not understand how to deal with). do you want me to post them, or do you overdo it anyway? thanks again simon On 13 Mar 2014, at 05:21, Dan Wilcox <danomat...@gmail.com> wrote: > Thanks. I was just waiting to redo my website, edit the video, put the pics > together, etc etc but life and freelance work get in the way. Man, I could > use a clone right about now :P > > On Mar 13, 2014, at 12:19 AM, Richie Cyngler <glitch...@gmail.com> wrote: > >> Also interested in the UDOO setup instructions so thank you. A bit OT but, >> Dan, love your work (that "onward to mars patch" is awesome) thanks for the >> links. I think people should post more of this sort of thing to the list, >> celebrate what we make. =) >> >> >> On Thu, Mar 13, 2014 at 11:09 AM, Dan Wilcox <danomat...@gmail.com> wrote: >> FWIW: here's a picture of my UDOO setup inside my Mars space suit backpack: >> http://www.flickr.com/photos/danomatika/13115604285/ >> >> Media of the backpack in use >> https://twitter.com/danomatika/status/433273394122207232/photo/1 & >> https://vimeo.com/86670103 (not my video, I'll put out a different edit soon) >> >> On Mar 12, 2014, at 10:28 AM, Dan Wilcox <danomat...@gmail.com> wrote: >> >>> I will do that later tonight when I boot the udoo and pull my run scripts >>> off of it. I'll post everything to GitHub so we can share resources. >>> >>> On Mar 12, 2014, at 5:44 AM, Jamie Bullock <ja...@jamiebullock.com> wrote: >>> >>>> >>>> Hi Dan, >>>> >>>> Thanks for sharing these notes. They arrived in my inbox to coincide >>>> nicely with the delivery of my quad Udoo this morning! It would be great >>>> to see a full writeup of your Udoo setup at some point as I think many >>>> people will want to be doing a similar thing. >>>> >>>> All best, >>>> >>>> Jamie >>>> >>>> >>>> On 11 Mar 2014, at 14:14, Dan Wilcox <danomat...@gmail.com> wrote: >>>> >>>>> Heres a trim of my notes: >>>>> >>>>> Enable realtime audio priority (if you haven't done it already): >>>>> >>>>> sudo su -c 'echo @audio - rtprio 99 >> /etc/security/limits.conf' >>>>> sudo su -c 'echo @audio - memlock 250000 >> /etc/security/limits.conf' >>>>> sudo su -c 'echo @audio - nice -10 >> /etc/security/limits.conf' >>>>> >>>>> I disable pulseaudio. Make sure pulseaudio does not respawn itself (from >>>>> http://voices.canonical.com/david.henningsson/2012/07/13/top-five-wrong-ways-to-fix-your-audio): >>>>> >>>>> echo autospawn=no > ~/.pulse/client.conf >>>>> >>>>> Also add the following to ~/.bash_login to kill pulse audio if it's >>>>> running on login: >>>>> >>>>> # kill pulse audio if it was spawned >>>>> pulseaudio -k >>>>> >>>>> I'm not looking at the udoo run script, but I'm pretty sure I'm using the >>>>> following with the US-25EX USB soudcard: >>>>> >>>>> pd -rt -nogui -alsa -audiodev 5 >>>>> >>>>> Use pd -listdev to get the device list from alsa. I chose 5 as the first >>>>> 4 (from memory) are 1-2 (built in hardware & plugin) & 2-3 (HDMI audio >>>>> hardware & plugin). 5 is the USB hardware alsa dev. >>>>> >>>>> On Mar 11, 2014, at 4:05 AM, Simon Iten <itensi...@gmail.com> wrote: >>>>> >>>>>> without jack i should add... >>>>>> On 11 Mar 2014, at 08:55, Simon Iten <itensi...@gmail.com> wrote: >>>>>> >>>>>>> hey dan, >>>>>>> >>>>>>> unfortunately i’m in switzerland :-) >>>>>>> >>>>>>> would be great if you could post your setup somewhere or send the >>>>>>> infos! i compiled pd from source as well. i start it from console (with >>>>>>> -rt) and it works without problems with the builtin sound card. maybe >>>>>>> the cheap card from dx.com just does not work properly with udoo. >>>>>>> but please post your setup. >>>>>>> >>>>>>> thanks >>>>>>> >>>>>>> On 09 Mar 2014, at 22:26, Dan Wilcox <danomat...@gmail.com> wrote: >>>>>>> >>>>>>>> I've tried my both Roland Edirol UA-25 & UA-25EX and both work great. >>>>>>>> The dedicated USB controller makes these guys work as compared to an >>>>>>>> RPI where I can't get full duplex without tons of dropouts. I'm using >>>>>>>> a Linaro install which boots to the console and runs the PD through >>>>>>>> scripting. The speed is great as compared to my old wearable computer. >>>>>>>> 4 cores makes a difference. >>>>>>>> >>>>>>>> I had to recompile my kernel to add midi support, but that's working >>>>>>>> great. It's not too bad, actually. I also built Pd-vanilal from source >>>>>>>> which was pretty easy using ./configure + make. I also have a script >>>>>>>> which fetches externals and builds/installs the agains vanilla so I >>>>>>>> have the few externals I need. >>>>>>>> >>>>>>>> As with my previous experience running Pd + embedded Ubuntu, I get >>>>>>>> great performance with RT permissions, the -rt startup flag, and ALSA. >>>>>>>> Jack is needless overheard unless you want to work with other >>>>>>>> Jack-enabeld apps. Same with X windows, although my setup was running >>>>>>>> great in X with pd + ALSA in testing. >>>>>>>> >>>>>>>> From your description, it sounds like your main issue is jack & pd are >>>>>>>> probably not running in realtime. >>>>>>>> >>>>>>>> I can sent you my install notes if you want (or put them online, as >>>>>>>> I've been meaning to). Also, are based in the NE within driving >>>>>>>> distance to Pittsburgh? We could do a patching circle/UDOO setup >>>>>>>> afternoon :D >>>>>>>> >>>>>>>> On Mar 9, 2014, at 5:14 PM, pd-list-requ...@iem.at wrote: >>>>>>>> >>>>>>>>> From: Miller Puckette <m...@ucsd.edu> >>>>>>>>> Subject: Re: [PD] udoo board sound issues >>>>>>>>> Date: March 9, 2014 at 5:07:54 PM EDT >>>>>>>>> To: Simon Iten <itensi...@gmail.com> >>>>>>>>> Cc: PD list <pd-list@iem.at> >>>>>>>>> >>>>>>>>> >>>>>>>>> H iSimon - >>>>>>>>> >>>>>>>>> I haven't tried any but the built-in yet but I have a few USB >>>>>>>>> interfaces >>>>>>>>> around here that I can try. I'm about to go on an intense trip but >>>>>>>>> should >>>>>>>>> be able to do some tests when I get back, assuming nobody else has >>>>>>>>> figured >>>>>>>>> this out first. >>>>>>>>> >>>>>>>>> cheers >>>>>>>>> Miller >>>>>>>>> >>>>>>>>> On Sun, Mar 09, 2014 at 09:57:45PM +0100, Simon Iten wrote: >>>>>>>>>> hey list, >>>>>>>>>> >>>>>>>>>> does anybody that uses an udoo board have any recommendations on a >>>>>>>>>> usb-soundcard? should be very compact. >>>>>>>>>> i tried a cheap one from dx and i could not get any good results >>>>>>>>>> (loads of xruns even with periods 3 and 1024 and up frames in >>>>>>>>>> qjackctl) this is on the ubuntu version from udoo. >>>>>>>>>> are there some tweaks i can do to improve usb-sound capabilities? i >>>>>>>>>> thought maybe recompile the kernel with only usb-1 support since >>>>>>>>>> there is no option as on the pi to disable usb-2 via config, or am i >>>>>>>>>> missing something? >>>>>>>>>> is it better to use the usb-soundcard without jack (pd does not like >>>>>>>>>> the usb-soundcard either when i tried briefly)? >>>>>>>>>> >>>>>>>>>> the internal sound-input is to noisy for my application (guitar >>>>>>>>>> effect) >>>>>>>>>> >>>>>>>>>> cheers. >>>>>>>>>> _______________________________________________ >>>>>>>>>> Pd-list@iem.at mailing list >>>>>>>>>> UNSUBSCRIBE and account-management -> >>>>>>>>>> http://lists.puredata.info/listinfo/pd-list >>>>>>>> >>>>>>>> -------- >>>>>>>> Dan Wilcox >>>>>>>> @danomatika >>>>>>>> danomatika.com >>>>>>>> robotcowboy.com >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>> >>>>> -------- >>>>> Dan Wilcox >>>>> @danomatika >>>>> danomatika.com >>>>> robotcowboy.com >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> Pd-list@iem.at mailing list >>>>> UNSUBSCRIBE and account-management -> >>>>> http://lists.puredata.info/listinfo/pd-list >>>> >>> >>> -------- >>> Dan Wilcox >>> @danomatika >>> danomatika.com >>> robotcowboy.com >>> >>> >>> >>> >>> >> >> -------- >> Dan Wilcox >> @danomatika >> danomatika.com >> robotcowboy.com >> >> >> >> >> >> >> _______________________________________________ >> Pd-list@iem.at mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> >> >> >> >> -- >> Richie >> >> www.glitchpop.com > > -------- > Dan Wilcox > @danomatika > danomatika.com > robotcowboy.com > > > > > > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list
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