[PD] midi problem under osx

Jean-Marie Adrien jma at jeanmarie-adrien.net
Mon Feb 6 21:57:12 CET 2012

i would try to force synchronization of incoming midi streams inside pure data according to my needs, ie downsampling a little if necessary so that MSB and LSB are consistent ... and give a call to interface-z for feedback.

Le 6 févr. 2012 à 21:15, Nicolas Montgermont a écrit :

> Hello list,
> I run into a special problem with MIDI input under osx...
> I am getting some MIDI inside Pd, the MIDI is coming from an interface-z card that is transducing a sensor.
> The midi info is on two control number for higher (12bit) precision. Sometimes the MSB value is not updated well, but the LSB is, and that gives me weird behaviors.
> I have tested the same patch with Pd-extended 0.42.5 under mac osx lion and on another computer with osx snow leopard, both have the same problem, but the same patch on a third computer with windows xp is working well.
> I have tested as well two midi->usb interface (a basic one and a motu micro lite) with the same behavior.
> So it seems to me that the problem looks like Pd midi driver on osx.
> I have tested to modify the audio latency, to change the MIDI latency, but that gives me no better result.
> Do you have an idea of where i can look, or a workaround i can find?
> Best,
> n
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