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
