28ed5: Difference between revisions
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== 28ed5 as a generator == | == 28ed5 as a generator == | ||
28ED5 can also be thought of as a [[generator]] of the 2.3.5.17.19 [[Subgroup temperaments|subgroup temperament]] which tempers out 1216/1215, 1445/1444, and 6144/6137, which is a [[cluster temperament]] with 12 clusters of notes in an octave. The small chroma interval between adjacent notes in each cluster is very versatile, representing 1088/1083 ~ 256/255 ~ 289/288 ~ 324/323 ~ 361/360 all tempered together. This temperament is supported by [[12edo|12EDO]], [[205edo|205EDO]], and [[217edo|217EDO]] among others. | 28ED5 can also be thought of as a [[generator]] of the 2.3.5.17.19 [[Subgroup temperaments|subgroup temperament]] which tempers out 1216/1215, 1445/1444, and 6144/6137, which is a [[cluster temperament]] with 12 clusters of notes in an octave (''quindromeda'' temperament). The small chroma interval between adjacent notes in each cluster is very versatile, representing 1088/1083 ~ 256/255 ~ 289/288 ~ 324/323 ~ 361/360 all tempered together. This temperament is supported by [[12edo|12EDO]], [[205edo|205EDO]], and [[217edo|217EDO]] among others. | ||
Equating 225/224 with 256/255 leads ''quintakwai'' (12&193), which tempers out 400/399 in the 2.3.5.7.17.19 subgroup, and 361/360 with 400/399 leads ''quintoneum'' (12&217), which tempers out 476/475 in the 2.3.5.7.17.19 subgroup. | |||
'''<font style="font-size: 1.35em">Quindromeda (12&193)</font>'''<br> | '''<font style="font-size: 1.35em">Quindromeda (12&193)</font>'''<br> | ||
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Comma list: 364/363, 441/440, 3136/3125, 13720/13689<br> | Comma list: 364/363, 441/440, 3136/3125, 13720/13689<br> | ||
Mapping: [{{val|1 2 0 -3 -5 -7}}, {{val|0 -5 28 70 102 129}}]<br> | Mapping: [{{val|1 2 0 -3 -5 -7}}, {{val|0 -5 28 70 102 129}}]<br> | ||
POTE generator: ~ | POTE generator: ~35/33 = 99.541<br> | ||
Vals: 12f, 205df, 217<br> | Vals: 12f, 205df, 217<br> | ||
Badness: 0.052361<br><br> | Badness: 0.052361<br><br> | ||
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Vals: 12f, 205df, 217<br> | Vals: 12f, 205df, 217<br> | ||
Badness: 0.025782<br><br> | Badness: 0.025782<br><br> | ||
'''<font style="font-size: 1.35em">Quintasandra (217&229)</font>'''<br> | '''<font style="font-size: 1.35em">[[Hemimean clan #Quintoneum|Quintoneoid]] (12&217)</font>'''<br> | ||
'''<font style="font-size: 1.2em">13-limit</font>'''<br> | |||
Comma list: 441/440, 1001/1000, 3136/3125, 59150/59049<br> | |||
Mapping: [{{val|1 2 0 -3 -5 11}}, {{val|0 -5 28 70 102 -88}}]<br> | |||
POTE generator: ~35/33 = 99.537<br> | |||
Vals: 12, 205d, 217<br> | |||
Badness: 0.072826<br><br> | |||
'''<font style="font-size: 1.2em">17-limit</font>'''<br> | |||
Comma list: 441/440, 595/594, 1001/1000, 2601/2600, 3136/3125<br> | |||
Mapping: [{{val|1 2 0 -3 -5 11 5}}, {{val|0 -5 28 70 102 -88 -11}}]<br> | |||
POTE generator: ~18/17 = 99.537<br> | |||
Vals: 12, 205d, 217<br> | |||
Badness: 0.042339<br><br> | |||
'''<font style="font-size: 1.2em">19-limit</font>'''<br> | |||
Comma list: 441/440, 476/475, 595/594, 1001/1000, 1216/1215, 2601/2600<br> | |||
Mapping: [{{val|1 2 0 -3 -5 11 5 4}}, {{val|0 -5 28 70 102 -88 -11 3}}]<br> | |||
POTE generator: ~18/17 = 99.537<br> | |||
Vals: 12, 205d, 217<br> | |||
Badness: 0.028983<br><br> | |||
'''<font style="font-size: 1.35em">[[Hemimean clan #Quintoneum|Quintasandra]] (217&229)</font>'''<br> | |||
'''<font style="font-size: 1.2em">11-limit</font>'''<br> | '''<font style="font-size: 1.2em">11-limit</font>'''<br> | ||
Comma list: 3136/3125, 19712/19683, 41503/41472<br> | Comma list: 3136/3125, 19712/19683, 41503/41472<br> | ||
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Vals: 12e, 217, 446, 663ch<br> | Vals: 12e, 217, 446, 663ch<br> | ||
Badness: 0.026654<br><br> | Badness: 0.026654<br><br> | ||
'''<font style="font-size: 1.35em">Quintasandroid (229&241)</font>'''<br> | '''<font style="font-size: 1.35em">[[Hemimean clan #Quintoneum|Quintasandroid]] (229&241)</font>'''<br> | ||
'''<font style="font-size: 1.2em">11-limit</font>'''<br> | '''<font style="font-size: 1.2em">11-limit</font>'''<br> | ||
Comma list: 3136/3125, 8019/8000, 15488/15435<br> | Comma list: 3136/3125, 8019/8000, 15488/15435<br> | ||
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Vals: 12f, 217ef, 229, 241, 470cd<br> | Vals: 12f, 217ef, 229, 241, 470cd<br> | ||
Badness: 0.033145<br><br> | Badness: 0.033145<br><br> | ||
'''<font style="font-size: 1.35em">Quintasand (12&229)</font>'''<br> | '''<font style="font-size: 1.35em">[[Hemimean clan #Quintoneum|Quintasand]] (12&229)</font>'''<br> | ||
'''<font style="font-size: 1.2em">13-limit</font>'''<br> | '''<font style="font-size: 1.2em">13-limit</font>'''<br> | ||
Comma list: 1573/1568, 3136/3125, 4096/4095, 4459/4455<br> | Comma list: 1573/1568, 3136/3125, 4096/4095, 4459/4455<br> |