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See Everything an Expression Pedal is ‘Mapped to’ or What All it’s Controlling
Hi,
I use Xsonic’s Xtone as an audio interface for my violin into my iPad. Xtone also provides MIIDI CC messages to control various settings - I use AUM.
The Xtone has a jack for an expression pedal which I use, to control the volume or the fader of the main channel I use for my violin Fx.
PROBLEM: When I press down on the expression pedal, or pull it back….I get a lot of unwanted audio sounds /fx coming out of my iPad. I am not playing the instrument when I press or depress the expression pedal, I actually palm mute the instrument.
QUESTION: Is there a way in AUM; I can see all of the ‘things’ or the controls the expression pedal is mapped to?
I “suspect” it’s somehow mapped to something else (other than a fader/volume control); something I didn’t map it to, or didn’t know it was mapped to control.
Thanks
Comments
You need a MIDI Observability tool... I like "MIDI Spy" and "MIDI Wrench", They can list all the
MIDI events coming from a particular source. There are more such tools/apps.
but MIDISpy would only tell him what the pedal sends, but not to which destinations it is mapped...
First go to midi routing (arrow button top right) to see which targets your pedal/interface is bound to, then I guess you have to check these individually, but it already helps narrowing it down...
When you exit the midi routing screen and tap on the channel name, and then in the following window on the sliders button on the top left it brings up the MIDI binding window. In this window in the top left you can filter for "assigned".
If the expression pedal is sending CC# 7 ("Volume"), some apps may respond to it directly, without explicit mapping. Worse yet, they may be receiving it from CoreMIDI, independent of AUM. You may need to remove Xtone from AUM's MIDI routing and try to find what is still affected by the expression pedal.
Edit: Of course, it could be any CC# that's hard-coded in an app, which receives it from either AUM routing or CoreMIDI.