[PD] first trial,. but no sound

Stefan Thomas kontrapunktstefan at gmail.com
Thu Jul 5 23:03:41 CEST 2012


Dear Ivica,
thanks, I did as You suggested and it look at it could work.
But I will try it in deep tomorrow, it's a bit late now!

2012/7/5 Ivica Bukvic <ico at vt.edu>

> Start it from any folder by typing pd-l2ork, not pd.
> On Jul 5, 2012 4:08 PM, "Stefan Thomas" <kontrapunktstefan at gmail.com>
> wrote:
>
>> Dear Ivica,
>> I did as You suggested.
>> Make install installed a file pd in  /usr/local/lib/pd-l2ork
>> There I've executed ./pd but I've got
>>
>> sh: 1: /usr/local/lib/bin/pd-gui: not found
>>
>> What has been my mistake?
>> 2012/7/5 Ivica Bukvic <ico at vt.edu>
>>
>>> You don't need any. Just install the burrito supreme binary version by
>>> running sudo make install inside the folder (or sudo make uninstall to
>>> remove). You will need to install tkpng lib though by doing sudo apt-get
>>> install tkpng.
>>>
>>> Cheers!
>>> On Jul 5, 2012 12:04 PM, "Stefan Thomas" <kontrapunktstefan at gmail.com>
>>> wrote:
>>>
>>>> I coulnd't find debian packages on their site!
>>>>
>>>> 2012/7/5 Ivica Bukvic <ico at vt.edu>
>>>>
>>>>> FWIW You can try pd-l2ork. Those were built on Ubuntu.
>>>>>
>>>>> Best wishes,
>>>>>
>>>>> Ico
>>>>> On Jul 5, 2012 11:44 AM, "Stefan Thomas" <kontrapunktstefan at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Dear Kaj,
>>>>>> thanks for Your help.
>>>>>> I've installed the lowlatency kernel and I've also reinstalled
>>>>>> qjackctl and pd, from the ubuntu repositorys.
>>>>>> But I still do have the problem, that I don't hear any sound.
>>>>>> I opened Your patch signal-example and I can see the "cables".
>>>>>> But I can't hear any sound!
>>>>>> I don't have the option "compute" audio.
>>>>>> When I click DSP, nothing happens.
>>>>>> Shall I install a newer or older version from source?
>>>>>>
>>>>>> 2012/7/4 Kaj Ailomaa <kaj.ailomaa at mousike.me>
>>>>>>
>>>>>>> On Wed, 2012-07-04 at 08:20 +0200, Stefan Thomas wrote:
>>>>>>> > Dear Iain,
>>>>>>> > I did as You suggested, the problem remains the same.
>>>>>>> > One problem might be:
>>>>>>> > When I reinstall PD some of the other PD-related packages will be
>>>>>>> > reinstalled to.
>>>>>>> > But I've read in the meantime, that my problem could be a bug,
>>>>>>> related
>>>>>>> > to my version of PD.
>>>>>>> > It seems to be the same problem like the one, I have read on this
>>>>>>> > site:
>>>>>>> > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=645041
>>>>>>> >
>>>>>>>
>>>>>>> Yep. It seems to be a bug with that release.
>>>>>>>
>>>>>>> I've added an example as an attachment. Should be enough to check if
>>>>>>> everything works.
>>>>>>>
>>>>>>> Alsa works for me, but it doesn't work well at lower latencies. Jack
>>>>>>> is
>>>>>>> preferred for that.
>>>>>>> Only, to get lower latencies with jack, you'll need to install
>>>>>>> linux-lowlatency (low latency capable linux kernel) and set up
>>>>>>> realtime
>>>>>>> privilege (all this is done if you installed Ubuntu Studio).
>>>>>>>
>>>>>>> To set up realtime privilege, you'll need to do a few things.
>>>>>>>
>>>>>>> First, install linux-lowlatency: sudo apt-get install
>>>>>>> linux-lowlatency
>>>>>>>
>>>>>>> Second, you need to answer yes when asked about this when installing
>>>>>>> jack. If unsure, see that the file /etc/security/limits.d/audio.conf
>>>>>>> is
>>>>>>> not named /etc/security/limits.d/audio.conf.disabled. To rename it,
>>>>>>> do
>>>>>>> this in a terminal:
>>>>>>> sudo mv /etc/security/limits.d/audio.conf.disabled
>>>>>>> /etc/security/limits.d/audio.conf
>>>>>>> Inside that file, you need to have these two lines uncommented (they
>>>>>>> should be by default):
>>>>>>>
>>>>>>> @audio   -  rtprio     95
>>>>>>> @audio   -  memlock    unlimited
>>>>>>>
>>>>>>> If the file doesn't exist, just create it: sudo nano
>>>>>>> /etc/security/limits.d/audio.conf
>>>>>>> ..and add the two lines above.
>>>>>>>
>>>>>>> The third thing to do is to add yourself to audio group: sudo
>>>>>>> usermod -a
>>>>>>> -G audio $USER
>>>>>>>
>>>>>>> Then, reboot.
>>>>>>>
>>>>>>> Latency is adjusted separately for both jack and pd. I believe jack
>>>>>>> handles audio latency when used with pd, while pd handles its'
>>>>>>> internal
>>>>>>> data latency.
>>>>>>> Good latency for me is 64 frames/period in qjackctl settings, and
>>>>>>> around
>>>>>>> 5-10 ms in pd jack settings.
>>>>>>>
>>>>>>>
>>>>>>> |----------------
>>>>>>>   kaj.ailomaa at mousike.me
>>>>>>>      ---------------------|
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Pd-list at iem.at mailing list
>>>>>>> UNSUBSCRIBE and account-management ->
>>>>>>> http://lists.puredata.info/listinfo/pd-list
>>>>>>>
>>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Pd-list at iem.at mailing list
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>>>>>>
>>>>>>
>>>>
>>
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