164edt

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← 163edt164edt165edt →
Prime factorization 22 × 41
Step size 11.5973¢ 
Octave 103\164edt (1194.52¢)
Consistency limit 2
Distinct consistency limit 2

164 equal divisions of the tritave, perfect twelfth, or 3rd harmonic (abbreviated 164edt or 164ed3), is a nonoctave tuning system that divides the interval of 3/1 into 164 equal parts of about 11.6 ¢ each. Each step represents a frequency ratio of 31/164, or the 164th root of 3.

Harmonics

Approximation of harmonics in 164edt
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) -5.48 +0.00 +0.64 -2.96 -5.48 -5.61 -4.84 +0.00 +3.15 +0.51 +0.64
Relative (%) -47.2 +0.0 +5.5 -25.6 -47.2 -48.4 -41.7 +0.0 +27.2 +4.4 +5.5
Steps
(reduced)
103
(103)
164
(0)
207
(43)
240
(76)
267
(103)
290
(126)
310
(146)
328
(0)
344
(16)
358
(30)
371
(43)
Approximation of harmonics in 164edt
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +1.23 +0.51 -2.96 +1.28 +0.70 -5.48 +5.29 -2.33 -5.61 -4.97 -0.74
Relative (%) +10.6 +4.4 -25.6 +11.0 +6.0 -47.2 +45.6 -20.1 -48.4 -42.8 -6.4
Steps
(reduced)
383
(55)
394
(66)
404
(76)
414
(86)
423
(95)
431
(103)
440
(112)
447
(119)
454
(126)
461
(133)
468
(140)