[L2Ork-dev] RPi3 l2ork installation

Tue Feb 14 16:25:23 UTC 2017

Ok great thanks - thanks for taking the time for all the replies!

I will order a pHat DAC anyway as I will surely make use of it at some
point - if you like I will report back on it.

Aidan

On Tue, Feb 14, 2017 at 4:09 PM, Ivica Bukvic <ico at vt.edu> wrote:

> No idea. I know USB soundcard works really well.  Beyond that I am not
> sure.
>
> --
> Ivica Ico Bukvic, D.M.A.
> Associate Professor
> Computer Music
> ICAT Senior Fellow
> Director -- DISIS, L2Ork
> Virginia Tech
> School of Performing Arts – 0141
> Blacksburg, VA 24061
> (540) 231-6139
> ico at vt.edu
> www.performingarts.vt.edu
> disis.icat.vt.edu
> l2ork.icat.vt.edu
> ico.bukvic.net
>
> On Feb 14, 2017 11:03, "Aidan Taylor" <aidanrtaylor at googlemail.com> wrote:
>
>> Ok I will have a look tonight, I didn't try adjusting the buffer or
>> anything, just pressed go basically :) A quick question for you if you
>> don't mind - I was thinking about using a DAC expansion for the Pi like
>> this: https://shop.pimoroni.com/collections/raspberry-pi/products/
>> phat-dac#shopify-product-reviews - lots of people seem to think that
>> resolves the inherent noise issues that the Pi built in jack has- but is it
>> compatible with PD? I'm not sure if it behaves like a sound card per se.
>>
>> warm regards,
>>
>> Aidan
>>
>> On Tue, Feb 14, 2017 at 1:23 PM, Ivica Bukvic <ico at vt.edu> wrote:
>>
>>> Pd on RPi? If so, you may be using more ambitious default audio buffer
>>> settings, particularly if you are using visual shortcuts/icons to start
>>> pd-l2ork that come with ambitious audio flags embedded. Audio engine
>>> between the two is otherwise essentially identical.
>>>
>>> Best,
>>>
>>> --
>>> Ivica Ico Bukvic, D.M.A.
>>> Associate Professor
>>> Computer Music
>>> ICAT Senior Fellow
>>> Director -- DISIS, L2Ork
>>> Virginia Tech
>>> School of Performing Arts – 0141
>>> Blacksburg, VA 24061
>>> (540) 231-6139
>>> ico at vt.edu
>>> www.performingarts.vt.edu
>>> disis.icat.vt.edu
>>> l2ork.icat.vt.edu
>>> ico.bukvic.net
>>>
>>> On Feb 14, 2017 07:51, "Aidan Taylor" <aidanrtaylor at googlemail.com>
>>> wrote:
>>>
>>>> Sure - but the equivalent patch in PD plays a recognisable sinewave
>>>> (with a bit of background crunch) this wasn't recognisable as a sine -
>>>> after that I reran the unpacking script it didn't return any errors this
>>>> time, but I had to run off as I have a Max/MSP class to teach ;)
>>>>
>>>> Aidan
>>>>
>>>> On Tue, Feb 14, 2017 at 12:18 PM, Ivica Bukvic <ico at vt.edu> wrote:
>>>>
>>>>> RPi has a bad audio driver and/or chip. Best thing is to buy a $8 USB
>>>>> stick-like soundcard.
>>>>>
>>>>> --
>>>>> Ivica Ico Bukvic, D.M.A.
>>>>> Associate Professor
>>>>> Computer Music
>>>>> ICAT Senior Fellow
>>>>> Director -- DISIS, L2Ork
>>>>> Virginia Tech
>>>>> School of Performing Arts – 0141
>>>>> Blacksburg, VA 24061
>>>>> (540) 231-6139
>>>>> ico at vt.edu
>>>>> www.performingarts.vt.edu
>>>>> disis.icat.vt.edu
>>>>> l2ork.icat.vt.edu
>>>>> ico.bukvic.net
>>>>>
>>>>> On Feb 14, 2017 05:47, "Aidan Taylor" <aidanrtaylor at googlemail.com>
>>>>> wrote:
>>>>>
>>>>>> OK it now installed, and I was able to open the app. I just did a
>>>>>> super quick test [osc~ 440.] > [*~ 0.5] > [dac~] and the audio is very
>>>>>> broken up and choppy sounding, i'm just trying to run dpkg again as you
>>>>>> mentioned - won't be able to play properly until later on. Excited about
>>>>>> this now though!!
>>>>>>
>>>>>> many thanks,
>>>>>>
>>>>>> Aidan
>>>>>>
>>>>>> On Tue, Feb 14, 2017 at 10:20 AM, Aidan Taylor <
>>>>>> aidanrtaylor at googlemail.com> wrote:
>>>>>>
>>>>>>> Hi Ico, thanks a lot for the prompt (and Sunday!) reply - I am
>>>>>>> having a look today. One question, how do I tell if pd-l2ork partially
>>>>>>> installed? It doesn't seem to have unpacked anything in the folder that I
>>>>>>> was working in.
>>>>>>>
>>>>>>> Will let you know the results,
>>>>>>>
>>>>>>> Aidan
>>>>>>>
>>>>>>> On Sun, Feb 12, 2017 at 3:56 PM, Ivica Ico Bukvic <ico at vt.edu>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hi Aidan, and thank you for your interest in pd-l2ork. The old RPi
>>>>>>>> is arm6 and the new is arm7. If you are using Raspbian, I discovered it has
>>>>>>>> some issues pulling certain packages when they are a part of the
>>>>>>>> dependencies. For this reason, you may need to do the following:
>>>>>>>>
>>>>>>>> Please note these instructions apply to pd-l2ork not Purr-Data
>>>>>>>> a.k.a. pd-l2ork 2.0, although they may very well apply there, as well.
>>>>>>>>
>>>>>>>> 1) make sure pd-l2ork is not partially installed (as in installed
>>>>>>>> with an error and therefore left unconfigured)--if it is, the following
>>>>>>>> option may uninstall it first in which case the step 2 may need to be done
>>>>>>>> twice. You will need to have internet access via RPi for these steps to
>>>>>>>> work.
>>>>>>>>
>>>>>>>> 2) type:
>>>>>>>>
>>>>>>>> sudo apt-get install libstk0-dev libfluidsynth-dev librtaudio-dev
>>>>>>>> librtmidi-dev
>>>>>>>>
>>>>>>>> 3) after it has installed, try again (this is assuming you are in
>>>>>>>> the folder where pd-l2ork deb file is located):
>>>>>>>>
>>>>>>>> sudo dpkg -i pd-l2ork*deb
>>>>>>>>
>>>>>>>> 4) type:
>>>>>>>>
>>>>>>>> sudo apt-get -f install
>>>>>>>>
>>>>>>>> Let me know if this fixes your problem. Thank you.
>>>>>>>>
>>>>>>>> Best,
>>>>>>>>
>>>>>>>> Ico
>>>>>>>>
>>>>>>>> On 2/11/2017 10:07 AM, Aidan Taylor wrote:
>>>>>>>>
>>>>>>>> Oh, is it perhaps because the RPi3 uses ARMv8?
>>>>>>>>
>>>>>>>> On Sat, Feb 11, 2017 at 2:55 PM, Aidan Taylor <
>>>>>>>> aidanrtaylor at googlemail.com> wrote:
>>>>>>>>
>>>>>>>>> When I run sudo apt-get update && sudo apt-get -f install, after
>>>>>>>>> it runs the check it returns "the following packages will be REMOVED:
>>>>>>>>> pd-l20rk"
>>>>>>>>>
>>>>>>>>> Aidan
>>>>>>>>>
>>>>>>>>> On Sat, Feb 11, 2017 at 2:52 PM, Aidan Taylor <
>>>>>>>>> aidanrtaylor at googlemail.com> wrote:
>>>>>>>>>
>>>>>>>>>> Ok, actually I can see a string of errors when I run sudo dpkg -i
>>>>>>>>>> pd-l20rk*deb - it basically comes up with "dependency problems prevent
>>>>>>>>>> configuration of pd-l2ork..."
>>>>>>>>>>
>>>>>>>>>> Aidan
>>>>>>>>>>
>>>>>>>>>> On Sat, Feb 11, 2017 at 2:45 PM, Aidan Taylor <
>>>>>>>>>> aidanrtaylor at googlemail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> Hi there, I am having trouble running and/or possibly installing
>>>>>>>>>>> l2ork on my Raspberry Pi 3, I opted to just install it straight on my Pi as
>>>>>>>>>>> I have a touch screen attached.
>>>>>>>>>>>
>>>>>>>>>>> I approached it following the tutorial on the l2ork site using
>>>>>>>>>>> the following commands:
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> wget l2ork.music.vt.edu/data/pd/pd-l2ork-armv7l-20170119.deb
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> *I can see the package has downloaded to my home folder...*
>>>>>>>>>>>
>>>>>>>>>>> sudo dpkg -i pd-l2ork*deb
>>>>>>>>>>>
>>>>>>>>>>> *This takes a long time, but seems to be doing something.
>>>>>>>>>>>
>>>>>>>>>>> *
>>>>>>>>>>>
>>>>>>>>>>> sudo apt-get update && sudo apt-get -f install
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> *This runs as expected. I rebooted at this point.
>>>>>>>>>>>
>>>>>>>>>>> *
>>>>>>>>>>> pd-l2ork -version
>>>>>>>>>>>
>>>>>>>>>>> *This returns "*bash: pd-l2ork: command not found*" in the console.
>>>>>>>>>>>
>>>>>>>>>>> *
>>>>>>>>>>>
>>>>>>>>>>> It looks to me like the package isn't unpacking correctly perhaps? Please advise!
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> warm regards,
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Aidan Taylor
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
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>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
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