4ed6: Difference between revisions
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4ed6, notably, approximates the [[23/1|23rd harmonic]] with incredible accuracy, less than 0.15 cents off. | 4ed6, notably, approximates the [[23/1|23rd harmonic]] with incredible accuracy, less than 0.15 cents off. | ||
{{Harmonics in equal|4|6|1|columns=15}} | {{Harmonics in equal|4|6|1|columns=15}} | ||
{{Harmonics in equal|4|6|1|prec= | {{Harmonics in equal|4|6|1|prec=1|intervals=prime}} | ||
{{Stub}} | {{Stub}} | ||
Revision as of 12:37, 26 September 2024
| ← 3ed6 | 4ed6 | 5ed6 → |
4 equal divisions of the 6th harmonic (abbreviated 4ed6) is a nonoctave tuning system that divides the interval of 6/1 into 4 equal parts of about 775 ¢ each. Each step represents a frequency ratio of 61/4, or the 4th root of 6.
Harmonics
4ed6, notably, approximates the 23rd harmonic with incredible accuracy, less than 0.15 cents off.
| Harmonic | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | +351 | -351 | -74 | +316 | +0 | -267 | +277 | +74 | -109 | -274 | +351 | +212 | +84 | -35 | -147 |
| Relative (%) | +45.3 | -45.3 | -9.5 | +40.7 | +0.0 | -34.4 | +35.8 | +9.5 | -14.0 | -35.3 | +45.3 | +27.4 | +10.8 | -4.6 | -19.0 | |
| Steps (reduced) |
2 (2) |
2 (2) |
3 (3) |
4 (0) |
4 (0) |
4 (0) |
5 (1) |
5 (1) |
5 (1) |
5 (1) |
6 (2) |
6 (2) |
6 (2) |
6 (2) |
6 (2) | |
| Harmonic | 2 | 3 | 5 | 7 | 11 | 13 | 17 | 19 | 23 | 29 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | +351.0 | -351.0 | +315.6 | -266.9 | -273.9 | +212.4 | -252.0 | +330.9 | +0.1 | +374.3 | +258.9 |
| Relative (%) | +45.3 | -45.3 | +40.7 | -34.4 | -35.3 | +27.4 | -32.5 | +42.7 | +0.0 | +48.3 | +33.4 | |
| Steps (reduced) |
2 (2) |
2 (2) |
4 (0) |
4 (0) |
5 (1) |
6 (2) |
6 (2) |
7 (3) |
7 (3) |
8 (0) |
8 (0) | |
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