Spazzing Controls.

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the apostate
Posts: 1
Joined: Sat Oct 29, 2011 2:41 pm

Spazzing Controls.

Post by the apostate » Sun Oct 30, 2011 12:52 pm

My rig thus far:

Hardware:
TouchOSC 1.7.4 on iPhone 4S w/iOS 5
Evolution UC-33e

Protocols/Transports:
ASIO4All v2.10
PureData 0.45.2-extended
PureData Patch Generator 1.2 (from hexler.net)
MidiYoke or LoopBe Internal MIDI

Software Environment:
Ableton Live v8.2.x
Windows 7 x64

The problem:

One or more of the faders will always be completely schizophrenic, as if the MIDI data range were inverted and super-sensitive to adjustment, jumping from 0 to 1/3 to halfway to full on before I even finish moving the slider all the way. I forked a [print] block off the [dumposc] object in PureData and monitored changing fader values on the console to verify OSC messages are being sent smoothly and properly, and they are. I’m unable to isolate where the problem lies.

Things I’ve tried:

Different phones with different iOS versions (3G running iOS 4.x)
Different MIDI routing drivers (MidiYoke vs. LoopBe)
Different versions of Ableton Live 8.2.x
Different versions of ASIO4All (2.9 and 2.10)
Recreating the malfunctioning widgets in TouchOSC Editor
Recreating many individual faders as a multifader in TouchOSC Editor
Reassigning the MIDI mapping to another control and then back again

Other details:

Occasionally recreating the widgets in the Editor will fix the issue, but it will hop to another widget. Occasionally toggling the MIDI mapping to something else and back in Live will fix the issue, but that’s not really a viable long-term solution. When the issue is affecting a multifader it affects every fader on the widget.

I’m losing my freakin’ mind trying to figure out what the problem is and have spent about 9 days troubleshooting this problem and searching for a resolution path. If anyone could help me out here I’d really appreciate it, this is a blocker for being able to use TouchOSC.

inb4 get a mac

Warrior Bob
Posts: 841
Joined: Mon Apr 06, 2009 5:10 pm
Location: Central Coast, California
Contact:

Re: Spazzing Controls.

Post by Warrior Bob » Wed Nov 02, 2011 4:52 pm

get a mac

Kidding aside, this kind of sounds like a problem I had where I was moving an absolute control on my hardware device, but Live was interpreting the signal as some kind of relative control. The assigned parameter wasn't useful in any meaningful way, and I was never quite sure why it moved where it did.

I forget where you can set this (MIDI mapping browser I think?) but assigning the proper control type relieved the issue.

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