44ed5/2

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← 43ed5/2 44ed5/2 45ed5/2 →
Prime factorization 22 × 11
Step size 36.0526¢ 
Octave 33\44ed5/2 (1189.74¢) (→3\4ed5/2)
Twelfth 53\44ed5/2 (1910.79¢)
Consistency limit 2
Distinct consistency limit 2

44 equal divisions of 5/2 (abbreviated 44ed5/2) is a nonoctave tuning system that divides the interval of 5/2 into 44 equal parts of about 36.1 ¢ each. Each step represents a frequency ratio of (5/2)1/44, or the 44th root of 5/2.

Notation

A possible notation system takes a 7-note 11-tone system and adds eighth-tone accidentals. The 11 basic tones would be: A A#/Bb B C C#/Db D D#/Eb E F F#/Gb G A. A major chord on A would be spelled A C- D-.

Intervals

Steps Cents Approximate ratios
0 0 1/1
1 36.053
2 72.105 25/24, 26/25
3 108.158
4 144.21 12/11, 13/12
5 180.263
6 216.316 17/15, 25/22
7 252.368 15/13, 22/19
8 288.421 13/11
9 324.473
10 360.526 21/17
11 396.578 29/23
12 432.631
13 468.684 17/13, 25/19
14 504.736
15 540.789 15/11, 26/19
16 576.841 7/5
17 612.894 10/7
18 648.947
19 684.999
20 721.052
21 757.104 17/11
22 793.157 19/12, 30/19
23 829.209 21/13, 29/18
24 865.262
25 901.315
26 937.367 12/7, 31/18
27 973.42 7/4
28 1009.472 25/14
29 1045.525 11/6, 31/17
30 1081.578
31 1117.63 19/10, 21/11
32 1153.683
33 1189.735
34 1225.788
35 1261.84 31/15
36 1297.893
37 1333.946 13/6
38 1369.998 11/5
39 1406.051
40 1442.103 30/13
41 1478.156
42 1514.209 12/5
43 1550.261
44 1586.314 5/2

Harmonics

Approximation of harmonics in 44ed5/2
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) -10.3 +8.8 +15.5 -10.3 -1.4 -15.9 +5.3 +17.7 +15.5 -5.3 -11.7
Relative (%) -28.5 +24.5 +43.1 -28.5 -4.0 -44.2 +14.6 +49.0 +43.1 -14.6 -32.4
Steps
(reduced)
33
(33)
53
(9)
67
(23)
77
(33)
86
(42)
93
(5)
100
(12)
106
(18)
111
(23)
115
(27)
119
(31)
Approximation of harmonics in 44ed5/2
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) -6.1 +9.9 -1.4 -5.0 -1.8 +7.4 -14.1 +5.3 -7.1 -15.5 +15.7
Relative (%) -16.8 +27.3 -4.0 -13.9 -5.0 +20.5 -39.1 +14.6 -19.7 -43.1 +43.5
Steps
(reduced)
123
(35)
127
(39)
130
(42)
133
(1)
136
(4)
139
(7)
141
(9)
144
(12)
146
(14)
148
(16)
151
(19)


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