475edo: Difference between revisions

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Regular temperament properties: + ragitritonic/garitritonic
 
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{{Infobox ET}}
{{Infobox ET}}
{{EDO intro|475}}
{{ED intro}}


== Theory ==
== Theory ==
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=== Subsets and supersets ===
=== Subsets and supersets ===
Since 475 factors into 5<sup>2</sup> × 19, 475edo has subset edos {{EDOs| 5, 19, 25, and 95 }}. [[950edo]], which doubles it, gives a good correction to the harmonic 7.
Since 475 factors into {{factorisation|475}}, 475edo has subset edos {{EDOs| 5, 19, 25, and 95 }}. [[950edo]], which doubles it, gives a good correction to the harmonic 7.


== Regular temperament properties ==
== Regular temperament properties ==
{{comma basis begin}}
{| class="wikitable center-4 center-5 center-6"
|-
! rowspan="2" | [[Subgroup]]
! rowspan="2" | [[Comma list]]
! rowspan="2" | [[Mapping]]
! rowspan="2" | Optimal<br>8ve stretch (¢)
! colspan="2" | Tuning error
|-
! [[TE error|Absolute]] (¢)
! [[TE simple badness|Relative]] (%)
|-
|-
| 2.3
| 2.3
| {{monzo| 753 -475 }}
| {{Monzo| 753 -475 }}
| {{mapping| 475 753 }}
| {{Mapping| 475 753 }}
| -0.1138
| −0.1138
| 0.1138
| 0.1138
| 4.50
| 4.50
|-
|-
| 2.3.5
| 2.3.5
| {{monzo| -14 -19 19 }}, {{monzo| 47 -15 -10 }}
| {{Monzo| -14 -19 19 }}, {{monzo| 47 -15 -10 }}
| {{mapping| 475 753 1103 }}
| {{Mapping| 475 753 1103 }}
| -0.1064
| −0.1064
| 0.0935
| 0.0935
| 3.70
| 3.70
{{comma basis end}}
|}


=== Rank-2 temperaments ===
=== Rank-2 temperaments ===
{{rank-2 begin}}
{| class="wikitable center-all left-5"
|+ style="font-size: 105%;" | Table of rank-2 temperaments by generator
|-
! Periods<br>per 8ve
! Generator*
! Cents*
! Associated<br>ratio*
! Temperaments
|-
|-
| 1
| 1
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| 98304/78125
| 98304/78125
| [[Squarschmidt]]
| [[Squarschmidt]]
|-
| 1
| 233\475
| 588.63
| 351/250
| [[Ragitritonic]] (475d) / [[garitritonic]] (475e)
|-
|-
| 5
| 5
| 329\475<br />(44\475)
| 329\475<br>(44\475)
| 831.16<br />(111.16)
| 831.16<br>(111.16)
| 160/99<br />(16/15)
| 160/99<br>(16/15)
| [[Quintosec]]
| [[Quintosec]]
|-
|-
| 19
| 19
| 197\475<br />(3\475)
| 197\475<br>(3\475)
| 497.68<br />(7.58)
| 497.68<br>(7.58)
| 4/3<br />(225/224)
| 4/3<br>(225/224)
| [[Enneadecal]] (475d)
| [[Enneadecal]] (475d)
{{rank-2 end}}
|}
{{orf}}
<nowiki/>* [[Normal forms #Equave-reduced-generator form|Octave-reduced form]], reduced to the first half-octave, and [[normal forms #Minimal-generator form|minimal form]] in parentheses if distinct