115edo
← 114edo | 115edo | 116edo → |
115 equal divisions of the octave (abbreviated 115edo or 115ed2), also called 115-tone equal temperament (115tet) or 115 equal temperament (115et) when viewed under a regular temperament perspective, is the tuning system that divides the octave into 115 equal parts of about 10.4 ¢ each. Each step represents a frequency ratio of 21/115, or the 115th root of 2.
115edo tempers out 1594323/1562500 (unicorn comma) and 2109375/2097152 (semicomma) in the 5-limit, as well as 43046721/41943040 and 30958682112/30517578125 (trisedodge comma); 225/224, 1728/1715, and 9920232/9765625 in the 7-limit. 115edo supports the newspeak temperament, tempering out 441/440, 1375/1372, and 1944/1925 in the 11-limit. The wizardharry comma, 4000/3993 is also tempered out in 115edo.
Odd harmonics
Harmonic | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21 | 23 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | absolute (¢) | -2.82 | -0.23 | +1.61 | +4.79 | +1.73 | +4.69 | -3.05 | -0.61 | +5.10 | -1.22 | -2.19 |
relative (%) | -27 | -2 | +15 | +46 | +17 | +45 | -29 | -6 | +49 | -12 | -21 | |
Steps (reduced) |
182 (67) |
267 (37) |
323 (93) |
365 (20) |
398 (53) |
426 (81) |
449 (104) |
470 (10) |
489 (29) |
505 (45) |
520 (60) |
Intervals
Steps | Cents | Ups and downs notation | Approximate ratios |
---|---|---|---|
0 | 0 | D | 1/1 |
1 | 10.4348 | ↑D, E♭♭ | |
2 | 20.8696 | ↑↑D, ↓8E♭ | 78/77 |
3 | 31.3043 | ↑3D, ↓7E♭ | 50/49, 56/55, 64/63 |
4 | 41.7391 | ↑4D, ↓6E♭ | 40/39 |
5 | 52.1739 | ↑5D, ↓5E♭ | 33/32 |
6 | 62.6087 | ↑6D, ↓4E♭ | 80/77 |
7 | 73.0435 | ↑7D, ↓3E♭ | 25/24 |
8 | 83.4783 | ↑8D, ↓↓E♭ | 21/20, 22/21 |
9 | 93.913 | D♯, ↓E♭ | 55/52 |
10 | 104.348 | ↑D♯, E♭ | 35/33, 52/49 |
11 | 114.783 | ↑↑D♯, ↓8E | 16/15 |
12 | 125.217 | ↑3D♯, ↓7E | 14/13 |
13 | 135.652 | ↑4D♯, ↓6E | |
14 | 146.087 | ↑5D♯, ↓5E | |
15 | 156.522 | ↑6D♯, ↓4E | 35/32 |
16 | 166.957 | ↑7D♯, ↓3E | 11/10 |
17 | 177.391 | ↑8D♯, ↓↓E | |
18 | 187.826 | D𝄪, ↓E | 39/35, 49/44 |
19 | 198.261 | E | 28/25, 55/49 |
20 | 208.696 | ↑E, F♭ | 44/39 |
21 | 219.13 | ↑↑E, ↓8F | 25/22 |
22 | 229.565 | ↑3E, ↓7F | 8/7 |
23 | 240 | ↑4E, ↓6F | |
24 | 250.435 | ↑5E, ↓5F | |
25 | 260.87 | ↑6E, ↓4F | 64/55, 65/56 |
26 | 271.304 | ↑7E, ↓3F | 75/64 |
27 | 281.739 | ↑8E, ↓↓F | 33/28 |
28 | 292.174 | E♯, ↓F | 13/11, 77/65 |
29 | 302.609 | F | 25/21 |
30 | 313.043 | ↑F, G♭♭ | 6/5 |
31 | 323.478 | ↑↑F, ↓8G♭ | 77/64 |
32 | 333.913 | ↑3F, ↓7G♭ | 40/33 |
33 | 344.348 | ↑4F, ↓6G♭ | 39/32 |
34 | 354.783 | ↑5F, ↓5G♭ | 49/40 |
35 | 365.217 | ↑6F, ↓4G♭ | |
36 | 375.652 | ↑7F, ↓3G♭ | |
37 | 386.087 | ↑8F, ↓↓G♭ | 5/4 |
38 | 396.522 | F♯, ↓G♭ | 44/35, 49/39, 63/50 |
39 | 406.957 | ↑F♯, G♭ | |
40 | 417.391 | ↑↑F♯, ↓8G | 14/11, 80/63 |
41 | 427.826 | ↑3F♯, ↓7G | 32/25, 50/39 |
42 | 438.261 | ↑4F♯, ↓6G | |
43 | 448.696 | ↑5F♯, ↓5G | |
44 | 459.13 | ↑6F♯, ↓4G | 64/49 |
45 | 469.565 | ↑7F♯, ↓3G | 21/16, 55/42 |
46 | 480 | ↑8F♯, ↓↓G | 33/25 |
47 | 490.435 | F𝄪, ↓G | 65/49 |
48 | 500.87 | G | 4/3 |
49 | 511.304 | ↑G, A♭♭ | 35/26 |
50 | 521.739 | ↑↑G, ↓8A♭ | |
51 | 532.174 | ↑3G, ↓7A♭ | |
52 | 542.609 | ↑4G, ↓6A♭ | |
53 | 553.043 | ↑5G, ↓5A♭ | 11/8 |
54 | 563.478 | ↑6G, ↓4A♭ | |
55 | 573.913 | ↑7G, ↓3A♭ | 39/28 |
56 | 584.348 | ↑8G, ↓↓A♭ | 7/5 |
57 | 594.783 | G♯, ↓A♭ | 55/39 |
58 | 605.217 | ↑G♯, A♭ | 78/55 |
59 | 615.652 | ↑↑G♯, ↓8A | 10/7 |
60 | 626.087 | ↑3G♯, ↓7A | 56/39 |
61 | 636.522 | ↑4G♯, ↓6A | |
62 | 646.957 | ↑5G♯, ↓5A | 16/11 |
63 | 657.391 | ↑6G♯, ↓4A | |
64 | 667.826 | ↑7G♯, ↓3A | |
65 | 678.261 | ↑8G♯, ↓↓A | 65/44, 77/52 |
66 | 688.696 | G𝄪, ↓A | 52/35 |
67 | 699.13 | A | 3/2 |
68 | 709.565 | ↑A, B♭♭ | |
69 | 720 | ↑↑A, ↓8B♭ | 50/33 |
70 | 730.435 | ↑3A, ↓7B♭ | 32/21 |
71 | 740.87 | ↑4A, ↓6B♭ | 49/32 |
72 | 751.304 | ↑5A, ↓5B♭ | 77/50 |
73 | 761.739 | ↑6A, ↓4B♭ | |
74 | 772.174 | ↑7A, ↓3B♭ | 25/16, 39/25 |
75 | 782.609 | ↑8A, ↓↓B♭ | 11/7, 63/40 |
76 | 793.043 | A♯, ↓B♭ | |
77 | 803.478 | ↑A♯, B♭ | 35/22, 78/49 |
78 | 813.913 | ↑↑A♯, ↓8B | 8/5 |
79 | 824.348 | ↑3A♯, ↓7B | |
80 | 834.783 | ↑4A♯, ↓6B | |
81 | 845.217 | ↑5A♯, ↓5B | 80/49 |
82 | 855.652 | ↑6A♯, ↓4B | 64/39 |
83 | 866.087 | ↑7A♯, ↓3B | 33/20 |
84 | 876.522 | ↑8A♯, ↓↓B | |
85 | 886.957 | A𝄪, ↓B | 5/3 |
86 | 897.391 | B | 42/25 |
87 | 907.826 | ↑B, C♭ | 22/13 |
88 | 918.261 | ↑↑B, ↓8C | 56/33 |
89 | 928.696 | ↑3B, ↓7C | |
90 | 939.13 | ↑4B, ↓6C | 55/32 |
91 | 949.565 | ↑5B, ↓5C | |
92 | 960 | ↑6B, ↓4C | |
93 | 970.435 | ↑7B, ↓3C | 7/4 |
94 | 980.87 | ↑8B, ↓↓C | 44/25 |
95 | 991.304 | B♯, ↓C | 39/22 |
96 | 1001.74 | C | 25/14 |
97 | 1012.17 | ↑C, D♭♭ | 70/39 |
98 | 1022.61 | ↑↑C, ↓8D♭ | |
99 | 1033.04 | ↑3C, ↓7D♭ | 20/11 |
100 | 1043.48 | ↑4C, ↓6D♭ | 64/35 |
101 | 1053.91 | ↑5C, ↓5D♭ | |
102 | 1064.35 | ↑6C, ↓4D♭ | |
103 | 1074.78 | ↑7C, ↓3D♭ | 13/7 |
104 | 1085.22 | ↑8C, ↓↓D♭ | 15/8 |
105 | 1095.65 | C♯, ↓D♭ | 49/26, 66/35 |
106 | 1106.09 | ↑C♯, D♭ | |
107 | 1116.52 | ↑↑C♯, ↓8D | 21/11, 40/21 |
108 | 1126.96 | ↑3C♯, ↓7D | 48/25 |
109 | 1137.39 | ↑4C♯, ↓6D | 77/40 |
110 | 1147.83 | ↑5C♯, ↓5D | 64/33 |
111 | 1158.26 | ↑6C♯, ↓4D | 39/20 |
112 | 1168.7 | ↑7C♯, ↓3D | 49/25, 55/28, 63/32 |
113 | 1179.13 | ↑8C♯, ↓↓D | 77/39 |
114 | 1189.57 | C𝄪, ↓D | |
115 | 1200 | D | 2/1 |