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Mapping the Key of a "Twin Harmony" Block to MIDI Values


mitchellisdumb
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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.

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