19 Apr
2013
19 Apr
'13
11:11 a.m.
Il 18/04/2013 19:26, Jeremy Jongepier ha scritto:
yeah, that's what happened to me and i still don't know
why.
I'll try to increase the rtprio as well, good tip, thanks!
"Unbinding" the device to the controller
it's not a good idea i
suppose,the PI shares both usb ports with same controller...
Maybe
there's no need to install Ubuntu.
I found out that there are 2 apps: "Connectbot" and "X server" in the
market that that may do the job with android.
Connectbot doesn't provide the "-X" option so we should set up the
DISPLAY variable accordingly with the ip-port on the X server app.
Maybe i'm just wasting my time but i will give it a try...
On 04/18/2013 02:59 PM, Nicola wrote:
That's
great, "keep it simple" i should say...that's why i think it's
brilliant!
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].
Hi Nicola,
You're welcome! To me the RPi is just another device running Linux.
And if it runs Linux it can run JACK and some of my favorite software.
I'm sometimes baffled by the immense detour people are taking just to
get 8 note polyphony out of the RPi for instance. Or using some
real-time effects. Or building a drum sequencer. All the stuff is
already there! But no, apparently they prefer to reinvent the wheel. 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.
So if you don't run it in the background sound is lousy and glitchy?
That's weird as it shouldn't make a difference? I did find that
raising JACK's rtprio even more (I'm now using 84) decreases the
number of glitches. 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?
At the moment, no. I don't have any experience with WiFi dongles and
the RPi. I should give it a try. 4)I really
love the tubescreamer in guitarix, it sounds GREAT!
It sure does. I for one can't do without the Treble Booster though :)
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!!!
Great idea! I've got a bricked tablet lying around too and supposedly
it can run Ubuntu too. Keep us posted on anything that comes out of this!
Jeremy
--
"Happiness only real when shared"
C. J. McCandless
[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
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