[PD] Re: pd with jack DIO errors

Roman Haefeli reduzierer at yahoo.de
Thu Feb 1 19:14:19 CET 2007

On Thu, 2007-02-01 at 17:07 +0200, ugur guney wrote:
> # Sorry, the cause of the problem was me. After I tried an another
> program amSynth, same distorted sounds appeared and I understood that
> the problem is not pd spesific. I played with the configuration of
> jackd and when I set the Periods/Buffer = 3 (rather than 2) everthing
> worked fine. I'm supposing that this is due to my non-real-time
> kernel. Sorry for occupying your inboxes. 
> -uğur-

hey man, no problem at all. cool, that you could solve your problem
anyway. i don't know if the needed period/buffer-number has anything to
do with realtime-kernel. what combinations of period/buffer-numbers and
framesizes in jackd work or not on a specific soundcard, is still a big
mysterium for me. from my experience, each audio device requires
absolutely different settings. in the worst case, only one combination


> On 2/1/07, ugur guney <ugurguney at gmail.com> wrote:
>         # Hi all,
>         # I've just compiled PD with ./configure --enable-jack
>         options. My jack version is:
>         jackd -V
>         jackd version 0.102.29 tmpdir /dev/shm protocol 16
>         # I'm using jack with freebob in order to use my M-Audio
>         Firewire Solo. (Freebob's version is 1.0.0) Jack runs without
>         problems and Xruns (with 10 ms latency.) but when I use Jack
>         as audio device I get many DIO errors, and the sound  comes
>         very distorded. In contrast OSS device works well. (OSS uses a
>         SoundBlaster Live! soundcard). (And I'm using Ubuntu 6.10)
>         # What may be the cause of this problem? I was never so close
>         to make music under Linux!
>         -ugur-
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