Microtonal guitar

Entasis

Entasis

Inspired
This is more of a proof of concept rather than the ultimate synth sound, but you can, using the pitch follower, turn a "12 fret" guitar into a "24 fret" guitar.

Scene 1 is the 24 equal division of octave (EDO).
Scene 2 is a regularly tuned synth, but with a bit of portamento
Scene 3 guitar and regular synth tuning
Scene 4 only guitar
Scene 5 the second synth block is engaged to hear an E note an octave higher than the 6th string to tune to other EDOs...

You can subdivide the octave into, say 16 notes, (Steve Vai's Xavian scale) by tuning your 16th fret to the E in scene 5. You now have an octave repeating every 16 semi-tones. The exercise is left to the reader!

24 EDO takes enough getting used to... it's as if a fret has been added between the existing frets!
The fretted chromatic scale sounds the quarter tone scale.
The fretted whole tone scale sounds a chromatic scale.
The four octaves of your guitar are now only two.
And this is what a 2 octave E major scale looks like

E |----------------------8-10-14-18-22-24-|​
B |-----------------9-13------------------|​
G |-------------7-9-----------------------|​
D |-----------8---------------------------|​
A |-------5-9-----------------------------|​
e |-0-4-8---------------------------------|​

Have fun!
 

Attachments

  • Microtonal.syx
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Another idea: reverse the start and end of the frequency modifier... now you can play guitar like some people play air guitar: low notes on the 1st string and high notes on the 6th string.
 
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You can also throw a pitch block into any preset. Change the following values:
Detune 1: -50c​
Level 1: 100​
Level 2: 0​
and then add a modifier to the mix controlled by a momentary control switch that goes from 0% - 100% when engaged.

If you want a quarter tone up, bend the string. For a quarter tone down, hit the control switch.
Gets you into 24 EDO with your favorite guitar sound.
 
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