User:TromboneBoi9/Extended Ups and Downs: Difference between revisions
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This is an extension on [[Kite Giedraitis]]'s [[Ups and | This is an extension on [[Kite Giedraitis]]'s [[Ups and downs notation|Ups and Downs notation system]]. | ||
Something I noticed in [[Ups and downs notation|regular EDO notation]] | Something I noticed in [[Ups and downs notation|regular EDO notation]], which rely on [[Pythagorean]] names with an extra layer of accidentals, is that the [[81/64|Pythagorean major third]] in a lot of EDO systems doesn't match the [[5/4|just major third 5/4]]. So, with some thought from common Just Intonation notations (really just [[HEJI]]), I came up with something that I think might be promising. | ||
In essence, instead of solely relying on Pythagorean names and arrows for edosteps in between (which can get unwieldy in larger EDOs, e.g. [[72edo#Intervals|72-EDO]]), I considered giving the [[syntonic comma]] a single symbol instead. That way you can emphasize the [[5-limit]] in your compositions more easily, and it | In essence, instead of solely relying on Pythagorean names and arrows for edosteps in between (which can get unwieldy in larger EDOs, e.g. [[72edo#Intervals|72-EDO]]), I considered giving the [[syntonic comma]] a single symbol instead. That way, you can emphasize the [[5-limit]] in your compositions more easily, and it also means that this system can be used just like any JI notation system up to the 5-limit. | ||
If your EDO has a different pitch for the just major third and the Pythagorean major third, then of course, it has a syntonic comma that hasn't been tempered out. This won't change much notation-wise for EDOs with a syntonic comma of 0 or 1 step, of course, but it could have an effect on even "sharper" systems like 37-EDO with a larger comma. | If your EDO has a different pitch for the just major third and the Pythagorean major third, then of course, it has a syntonic comma that hasn't been tempered out. This won't change much notation-wise for EDOs with a syntonic comma of 0 or 1 step, of course, but it could have an effect on even "sharper" systems like 37-EDO with a larger comma. | ||
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|}For systems with a negative syntonic comma (sub-meantone systems), use ''')''' (pitch up) and '''(''' (pitch down) instead of '''/''' and '''\'''. | |}For systems with a negative syntonic comma (sub-meantone systems), use ''')''' (pitch up) and '''(''' (pitch down) instead of '''/''' and '''\'''. | ||
For | For systems with fifths so flat so as to make them [[2L 5s|antidiatonic]] systems, the meantone-favoring flat and sharp symbols are not recommended, but use <u>harmonic notation</u> (where sharps and flats switch functions) should they be needed. | ||
An example in [[13edo|13b-EDO]] where the syntonic comma is -2 steps (technically): | An example in [[13edo|13b-EDO]] where the syntonic comma is -2 steps (technically): | ||
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|D | |D | ||
|D | |D | ||
|}For systems with describable quarter tones, you can optionally use ad-lib | |} | ||
[[File:Screenshot_2023-05-19_12.15.58_PM.png|thumb|A previous draft for quartertone accidentals: accidentals for [[5L 2s|diatonic]] systems on the top, accidentals for [[2L 5s|antidiatonic]] systems on the bottom]] | |||
For systems with describable quarter tones, you can optionally use ad-lib quartertone notation, though for many systems ([[10edo|10]], [[17edo|17]], [[24edo|24]], [[31edo|31]]), the previous symbols make quartertone notation redundant; perhaps it could be of use in larger systems like [[41edo|41]], [[48edo|48]], or [[72edo|72]]. | |||
An example in [[41edo|41-EDO]] with '''+''' for a quartertone sharp and '''d''' for a quartertone flat: | An example in [[41edo|41-EDO]] with '''+''' for a quartertone sharp and '''d''' for a quartertone flat: | ||