Date: Thu, 26 Nov 2009 09:57:48 +0100 Subject: Re: [PD] problem with MIDI (linux) From: reduzierer@yahoo.de To: c_cb@hotmail.it; zmoelnig@iem.at CC: pd-list@iem.at
Hi Chi
Am 26.11.09 01:49 schrieb "chi ball" unter c_cb@hotmail.it:
Now, running some patch in pd, happen this:
1)in a audio patch (for example a simple oscillator with a slide..) *I can listen sound correctly* (even if with a fastidious background noise) and I can change frequency well with the slide.
From the audio I/O errors you mention below, i can tell you that you're still running pd with alsa, but not with jackd. After having made sure, that your jackd is running correctly, try this in a terminal:
pd -rt -jack -channels 2
With this jack run correctly! ..sound is clean, without noise. Thank you! :)
Usually, you don't need even to manually connect pd to the soundcard in the connection window of qjackctl, but the connection should happen automatically.
When I run pd, in "media" I see: "jack" and "default midi" already setted. I change only "default midi" in "alsa midi".
Then I open "qjackctl" panel, and I found 3 windows:
- in the first ("audio") I must connect manually "pure_data_0" with "system".
-in the second window (midi) I don't set anything. -in the thrd window ("Alsa") I found already all connected.
2)in a midi patch (a patch certainly correct, tested in o.s. Windows..!) *I can't listen anything*. I see numbers change, but *no sound*.
Ok, i think, i kind of understand now, what you mean. If you send in windows MIDI to your SB Live, it'll produce GeneralMidi synthesizer sounds. I don't know how this works in details, i guess in some cases it is simply a software synthesizer in the driver. Probably some soundcards have this capability built into the hardware. The fact, that you don't hear anything in linux, when sending MIDI from pd, doesn't mean, that your Pd MIDI doesn't work, it simply means, that you're lacking a similar setup with some kind of synth. There are a lot of synths available also in linux, you might find one, that suits your needs. You would then need to connect Pd to 'yourSynth' in the connection window in the MIDI tab.
Now I listen also MIDI notes, and this is due to a connection between "puredata" and "timididy" in "Alsa" window of qjackctl.
But I have a little *problem*:
- if I make a patch to generate midi notes repeated, with a metro (for example [metro 200]) I listen the rithm irregular (instead in Windows -on the same pc- the rithm is perfect..)
-if in the same patch I change [metro 200] in [metro 10] the midi notes output goes in crash, is'n possible play midi notes speadily (instead in Windows this is possible).
Any suggestion for this problem? Thanks, c
P.S.: my o.s. is Mandriva 2010.0
:)
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