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.
enrike
11h11@11h11.com(e)k dio:
hi,
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).
patrick
Selon altern altern2@gmail.com:
hi
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 http://lists.puredata.info/pipermail/pd-list/2005-07/029859.html 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
enrike
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altern