[PD] DIO errors with freebob
altern2 at gmail.com
Sat Dec 22 18:49:32 CET 2007
it seems to be a bit better playing around with -audiobuf and other
startup flags. thanks for tip, i assumed it was something to do with the
PD version I was using or something like that.
11h11 at 11h11.com(e)k dio:
> i am testing freebob with pd. the soundcard is a presonus firepod on a macbook
> pro. in gutsy, with linux-rt it's working for 1 minute and then the latency goes
> up (with some glitches in the dsp). pd have nothing to do with this.
> i tried 64studio (debian flavor) and the firepod is working out of the box
> without glitches: jackd -Dfreebob -p64 -n2 -D -r48000. pd is working without
> glitch (pd -rt -jack -audiobuf 64 -r 48000 -channels 10).
> will post back some results (like the latency calculated by jdelay (for now it's
> 355 samples @ 48000).
> Selon altern <altern2 at gmail.com>:
>> i am getting quite a lot of DIO errors and clicks using PD with jack via
>> freebob. This does not happen using the internal sndcard with alsa, i
>> sometimes got some click but not all the time like i do now. Btw, i dont
>> get xruns at all from jack.
>> I have installed pd 0.40.3-extended-20071210 to see if this makes any
>> difference but it is the same. I checked the mailing list and there are
>> some posts about similar issues
>> but I did not get a clear picture since i am using freebob. I know its
>> likely to be the PD GUI taking too much CPU. I need to be able to use
>> both pd input and output so i cannot stop any of those.
>> I am using a terratec phase x24 on Ubuntu Studio Gutsy with kernel
>> 2.6.20-16-lowlatency on a IBM x34 laptop 1.6ghz, 500M of ram. The same
>> set up under Puredyne does work great, no clicks at all. I am wondering
>> what is the difference. CPU-wise both seem pretty much the same and the
>> PD version is pretty similar, around 0.40.3. I am always curious about
>> the reasons of this small differences between similar systems...
>> any ideas? thanks
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