Re: [LAU] Raspberry Pi and real-time, low-latency audio

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To: <linux-audio-user@...>
Date: Thursday, April 18, 2013 - 12:59 pm

Hi, thanks for sharing.
The idea is simply brilliant and it works quite smoothly following the
wiki[1] (Thanks again Jeremy!), i've got a UA25EX[2] and a Terratec
Aureon dual-usb[3].
Just a couple of things i noticed:

1)Using the nexus7 power adaptor everything works fine, it's a 5w 2.0A.
2)if you run jack with following command as the wiki suggested "jackd
-P70 -p16 -t2000 -dalsa -dhw:UA25 -p128 -n3 -r44100 -s" make sure to add
the background "&" at the end of the line, without this the sound was
lousy and glitchy, at least for my UA25EX.
3)Using this usb wireless adapter[4], so in a headless fashion, i had
many jack's disconnection no matter what frames/periods i choose.Any
suggestion to improve it?
4)I really love the tubescreamer in guitarix, it sounds GREAT!
5)I've got my PI amp now saved in a separate sd card, now i'm able to
switch my pi from a server into an amp by just replacing the sd card,
how lovely it is!?

p.s. I was thinking to install Ubuntu on my nexus7 to control Guitarix
(headless through ssh -X) with the touch screen!!!

[1]http://wiki.linuxaudio.org/wiki/raspberrypi
[2]http://www.rolandus.com/products/details/970
[3]http://www.amazon.co.uk/Terratec-Aureon-Dual-USB-Notebook/dp/B000WL23KC/ref=sr_1_1?ie=UTF8&qid=1366289839&sr=8-1&keywords=terratec+aureon+dual+usb
[4]http://www.edimax.co.uk/en/produce_detail.php?pd_id=328&pl1_id=1&pl2_id=44

Nicola

On 04/18/2013 01:12 PM, Carlos sanchiavedraz wrote:

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Messages in current thread:
[LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Fri Feb 15, 8:33 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Daniel Worth, (Wed Apr 17, 2:56 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Thu Apr 18, 8:23 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Sun Apr 14, 12:58 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, michael noble, (Mon Apr 15, 3:07 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Apr 15, 7:11 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Apr 15, 7:27 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Mon Apr 15, 8:14 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Apr 15, 8:22 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Mon Apr 15, 8:40 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Apr 15, 12:03 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Wed Apr 17, 7:49 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Wed Apr 17, 9:21 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Thu Apr 18, 12:13 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Thu Apr 18, 6:14 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Nicola, (Thu Apr 18, 12:59 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Thu Apr 18, 6:26 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Apr 15, 7:10 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Apr 15, 2:59 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Wed Mar 13, 8:42 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Wed Mar 13, 11:55 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Wed Apr 3, 10:35 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Robert Jonsson, (Mon Feb 18, 5:25 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Tue Feb 19, 10:17 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Wed Feb 27, 8:07 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Carlos sanchiavedraz, (Fri Mar 1, 11:28 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Robert Jonsson, (Wed Feb 27, 9:40 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Mon Feb 18, 9:15 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Robert Jonsson, (Mon Feb 18, 9:24 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Wed Feb 27, 8:01 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Harry van Haaren, (Sat Feb 16, 12:45 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Sat Feb 16, 1:31 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Marije Baalman, (Mon Feb 18, 10:20 am)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Sat Feb 16, 7:00 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Hans Wilmers, (Sat Feb 16, 2:45 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Sat Feb 16, 7:00 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Julien Claassen, (Fri Feb 15, 8:52 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Fri Feb 15, 9:08 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Julien Claassen, (Fri Feb 15, 9:12 pm)
Re: [LAU] Raspberry Pi and real-time, low-latency audio, Jeremy Jongepier, (Fri Feb 15, 8:45 pm)