[PD] usb midi device

IOhannes m zmoelnig zmoelnig at iem.at
Thu Oct 30 11:25:05 CET 2008

cyrille henry wrote:
> hello,
> IOhannes m zmoelnig a écrit :
>> cyrille henry wrote:
>>> hello,
>>> thanks all for your answer.
>>> i fact, i've got only 1 /dev/midi* device when i plug my interface.
>>> so the problem does not really come from pd.
>>> did anyone succesfully using multiple in / out usb/midi interface 
>>> under linux (ubuntu)?
>> yes i am (i think)
>> my solution is:
>> - use alsa-midi (forget about /dev/midi*)
> ok.
> aconnect -o and -i can see both output and input of my BCF, so it's 
> certainly the way to go.
>> - open 2 alsa-midi ports from Pd
> i don't really understand. did you mean that i should create 2 virtual 
> midi device, and open them with pd?
> or should i have something in my pd midi configuration.

the latter.
starting Pd with "pd -alsamidi 1,1" (apologies for the weird syntax), 
should give you 2 midi-in ports and 2 midi-out ports.
you can also select "alsamidi" via the media-menu, and chose the number 
of ports you want.


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