[PD] Raspberry Pi USB2 audio fixed (apparently)

[Dan Wilcox]

Yeah I tried that out a few months ago when we started the thread. Jack adds some unnecessary overhead in my opinion and I'm surprised that a device that should be more than capable to handle this is just not setup correctly. I'm running a minimal commandline install and pd + realtime & straight alsa should work great ... it has for me in the past.

His jack setup basically uses *all* the cpu of the pi, so that cuts out the other parts of my setup altogether .. visual, device input, etc. Again, I was able to get good latency with a much lower resource machine (until it just wore out), so it *should* be possible.
On Jul 3, 2013, at 4:35 AM, Julian Brooks <jbeezez at gmail.com> wrote:

> Hey Dan,
> 
> Jeremy (autostatic), who setup the 'rpi and low latency, real time audio' thread has a UA-25 and seems to have full duplex working with jack (this was before the recent tweaks as well):
> http://www.raspberrypi.org/phpBB3/viewtopic.php?p=286222&sid=85c8b0a7cca69e35dcafaf58ff916eec#p286222
> 
> Could be worth asking him?
> 
> Julian
> 
> 
> On 3 July 2013 02:58, Dan Wilcox <danomatika at gmail.com> wrote:
> Yeah I tried the latest firmware with my Raspbian install and still have issues with my UA-25. Full stereo duplex = dropouts. :(
> 
> On Jul 2, 2013, at 5:52 PM, pd-list-request at iem.at wrote:
> 
>> From: Pierre Massat <pimassat at gmail.com>
>> Subject: Re: [PD] Raspberry Pi USB2 audio fixed (apparently)
>> Date: July 2, 2013 3:52:31 PM EDT
>> To: Julian Brooks <jbeezez at gmail.com>
>> Cc: PD List <pd-list at iem.at>
>> 
>> 
>> Hi all,
>> 
>> I did a fresh install of Raspbian using the NOOBS installer. The pd-extended package from puredata.info doesn't work with my soundcard (it wasn't working before). And Pd vanilla installed from the Raspbian repositories doesn't work with it either (although it was working fine before). My soundcard is an old EMU 0404 USB. By "doesn't work" I mean that it either throws an "Audio stuck/closing audio" error, or simply freezes everything (Pd, LXDE, mouse, everything) and all I can do is unplug the power chord.
>> 
>> So for me not only did it not fix anything, but i'm actually worse off and left with the inability to use Pd at all on my Pi. 
>> 
>> I haven't tried Miller's compiled version of Vanilla yet (I still don't know how it is different from the one available in the Raspbian repos). The recent Planet CCRMA Satelite for the RPi is also an option.
>> 
>> Pierre.
> 
> --------
> Dan Wilcox
> @danomatika
> danomatika.com
> robotcowboy.com
> 
> 
> 
> 
> 
> 
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--------
Dan Wilcox
@danomatika
danomatika.com
robotcowboy.com





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