65edo: Difference between revisions

Godtone (talk | contribs)
m Theory: removing the brackets changed the meaning to suggest that 65edo has the primes that 53edo has
Yourmusic Productions (talk | contribs)
m Music: fix formatting
 
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| D
| D
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<references group="note" />


== Notation ==
== Notation ==
=== Ups and downs notation ===
=== Ups and downs notation ===
Using [[Helmholtz–Ellis]] accidentals, 65edo can also be notated using [[ups and downs notation]]:
65edo can be notated with ups and downs, spoken as up, dup, trup, dudsharp, downsharp, sharp, upsharp etc. and down, dud, trud, dupflat etc.
{{Sharpness-sharp6a}}
 
Half-sharps and half-flats can be used to avoid triple arrows:
{{Sharpness-sharp6b}}
 
[[Alternative symbols for ups and downs notation#Sharp-6| Alternative ups and downs]] have arrows borrowed from extended [[Helmholtz–Ellis notation]]:
{{Sharpness-sharp6}}
{{Sharpness-sharp6}}


In some cases, certain notes may be best notated using semi- and sesquisharps and flats with arrows:
If double arrows are not desirable, arrows can be attached to quarter-tone accidentals:
{{Sharpness-sharp6-qt}}
{{Sharpness-sharp6-qt}}


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== Approximation to JI ==
== Approximation to JI ==
=== Zeta peak index ===
=== Zeta peak index ===
{| class="wikitable center-all"
{{ZPI
|-
| zpi = 334
! colspan="3" | Tuning
| steps = 65.0158450885860
! colspan="3" | Strength
| step size = 18.4570391781413
! colspan="2" | Closest edo
| tempered height = 7.813349
! colspan="2" | Integer limit
| pure height = 7.642373
|-
| integral = 1.269821
! ZPI
| gap = 16.514861
! Steps per octave
| octave = 1199.70754657919
! Step size (cents)
| consistent = 6
! Height
| distinct = 6
! Integral
}}
! Gap
! Edo
! Octave (cents)
! Consistent
! Distinct
|-
| [[334zpi]]
| 65.0158450885860
| 18.4570391781413
| 7.813349
| 1.269821
| 16.514861
| 65edo
| 1199.70754657919
| 6
| 6
|}


== Regular temperament properties ==
== Regular temperament properties ==
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| 498.46
| 498.46
| 4/3
| 4/3
| [[Helmholtz]] / [[nestoria]] / [[photia]]
| [[Helmholtz (temperament)|Helmholtz]] / [[nestoria]] / [[photia]]
|-
|-
| 1
| 1
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[[Lumatone mapping for 65edo]]
[[Lumatone mapping for 65edo]]


== Notes ==
== Music ==
<references group="note" />
; [[Bryan Deister]]
* [https://www.youtube.com/shorts/W5PXWFduPco ''microtonal improvisation in 65edo''] (2025).


[[Category:Listen]]
[[Category:Listen]]