mitchellisdumb Posted July 22, 2019 Share Posted July 22, 2019 Hey y'all, I've been building an iOS control template for my Helix, and wanted the ability to set the key of the harmonizer from my iPad. To do that, I needed to map the available keys to MIDI CC values. I did some experimentation and some quick math in Excel and came up with these values: Key MIDI Value C = 39 C#/Db = 51 D = 63 D#/Eb = 75 E = 86 F = 98 F#/Gb = 110 G = 121 G#/Ab = 127 A = 4 A#/Bb = 16 B = 27 These are tested and work. Hoping this saves somebody a bit of time and aggravation. 1 Quote Link to comment Share on other sites More sharing options...
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