404edo: Difference between revisions
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{{Infobox ET}} | {{Infobox ET}} | ||
{{EDO intro|404}} | {{EDO intro|404}} | ||
==Theory== | ==Theory== | ||
404et tempers out [[703125/702464]], 1959552/1953125, 65625/65536, [[2401/2400]], [[2100875/2097152]] and 201768035/201326592 in the 7-limit and [[4000/3993]], [[540/539]], [[441/440]], [[8019/8000]], [[9801/9800]] and 160083/160000 in the 11-limit. | |||
{{Harmonics in equal|404}} | {{Harmonics in equal|404}} | ||
==Regular temperament properties== | |||
{| class="wikitable center-4 center-5 center-6" | |||
! rowspan="2" |[[Subgroup]] | |||
! rowspan="2" |[[Comma list|Comma List]] | |||
! rowspan="2" |[[Mapping]] | |||
! rowspan="2" |Optimal<br>8ve Stretch (¢) | |||
! colspan="2" |Tuning Error | |||
|- | |||
![[TE error|Absolute]] (¢) | |||
![[TE simple badness|Relative]] (%) | |||
|- | |||
|2.3 | |||
|{{monzo| -160 101}} | |||
|{{val| 404 640}} | |||
| +0.3044 | |||
| 0.3045 | |||
| 10.25 | |||
|- | |||
|2.3.5 | |||
|{{monzo| -13 17 -6}}, {{monzo| 23 6 -14}} | |||
|{{val| 404 640 938}} | |||
| +0.2280 | |||
| 0.2710 | |||
| 9.12 | |||
|- | |||
|2.3.5.7 | |||
|2401/2400, 19683/19600, 65625/65536 | |||
|{{val| 404 640 938 1134}} | |||
| +0.2164 | |||
| 0.2356 | |||
| 7.93 | |||
|- | |||
|2.3.5.7.11 | |||
|441/440, 540/539, 8019/8000, 65625/65536 | |||
|{{val| 404 640 938 1134 1398}} | |||
| +0.1061 | |||
| 0.3049 | |||
| 10.26 | |||
|- | |||
|2.3.5.7.11.13 | |||
|441/440, 540/539, 8019/8000, 4225/4224, 86625/86528 | |||
|{{val| 404 640 938 1134 1398 1495}} | |||
| +0.0854 | |||
| 0.2821 | |||
| 9.50 | |||
|} | |||
==Music== | ==Music== | ||
* [https://www.youtube.com/watch?v=CDQMtcI542U ''Error 404: Tuning Not Found''] by Francium | * [https://www.youtube.com/watch?v=CDQMtcI542U ''Error 404: Tuning Not Found''] by Francium | ||
[[Category:Listen]] | [[Category:Listen]] | ||
Revision as of 19:54, 26 March 2023
| ← 403edo | 404edo | 405edo → |
Theory
404et tempers out 703125/702464, 1959552/1953125, 65625/65536, 2401/2400, 2100875/2097152 and 201768035/201326592 in the 7-limit and 4000/3993, 540/539, 441/440, 8019/8000, 9801/9800 and 160083/160000 in the 11-limit.
| Harmonic | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | -0.96 | -0.18 | -0.51 | +1.04 | +1.16 | +0.07 | -1.14 | -1.00 | -0.48 | -1.47 | +1.43 |
| Relative (%) | -32.5 | -5.9 | -17.1 | +35.0 | +39.0 | +2.2 | -38.4 | -33.5 | -16.3 | -49.6 | +48.1 | |
| Steps (reduced) |
640 (236) |
938 (130) |
1134 (326) |
1281 (69) |
1398 (186) |
1495 (283) |
1578 (366) |
1651 (35) |
1716 (100) |
1774 (158) |
1828 (212) | |
Regular temperament properties
| Subgroup | Comma List | Mapping | Optimal 8ve Stretch (¢) |
Tuning Error | |
|---|---|---|---|---|---|
| Absolute (¢) | Relative (%) | ||||
| 2.3 | [-160 101⟩ | ⟨404 640] | +0.3044 | 0.3045 | 10.25 |
| 2.3.5 | [-13 17 -6⟩, [23 6 -14⟩ | ⟨404 640 938] | +0.2280 | 0.2710 | 9.12 |
| 2.3.5.7 | 2401/2400, 19683/19600, 65625/65536 | ⟨404 640 938 1134] | +0.2164 | 0.2356 | 7.93 |
| 2.3.5.7.11 | 441/440, 540/539, 8019/8000, 65625/65536 | ⟨404 640 938 1134 1398] | +0.1061 | 0.3049 | 10.26 |
| 2.3.5.7.11.13 | 441/440, 540/539, 8019/8000, 4225/4224, 86625/86528 | ⟨404 640 938 1134 1398 1495] | +0.0854 | 0.2821 | 9.50 |
Music
- Error 404: Tuning Not Found by Francium