Fix fret ruler extension parsing scales

2022-11-15 00:10:52 +01:00
parent 2c84a21c64
commit caad1d4a57
5179 changed files with 115934 additions and 43 deletions
--- a/extensions/fablabchemnitz/fret_ruler/scales/dudon_werckmeister3_eb.scl
+++ b/extensions/fablabchemnitz/fret_ruler/scales/dudon_werckmeister3_eb.scl
@ -0,0 +1,21 @@
+! dudon_werckmeister3_eb.scl
+!
+Harmonic equal-beating version of the famous well-temperament (2006)
+ 12
+!
+ 256/243
+ 21995/19683
+ 32/27
+ 2740/2187
+ 4/3
+ 1024/729
+ 9808/6561
+ 128/81
+ 10960/6561
+ 16/9
+ 1370/729
+ 2/1
+! achieved with Comptine recurrent sequence x^3 = (3/5)x^2 + 2
+! (x = 1.494929263  or 696.09266484 c.), Dudon 2006
+! triple equal-beating property :  3A - 5C  =  4E - 5C  =  3D - 2A
+! (and actually a pertinent verification when tuning WIII by ear)