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'''[[Ed5|Division of the 5th harmonic]] into 28 equal parts''' ( | '''[[Ed5|Division of the 5th harmonic]] into 28 equal parts''' (28ED5) is related to [[12edo|12EDO]], but with the 5/1 rather than the 2/1 being just. The octave is about 5.8656 cents compressed and the step size is about 99.5112 cents. This tuning has a meantone fifth as the number of divisions of the 5th harmonic is multiple of 4. This tuning also has the perfect fourth which is more accurate for 4/3 than that of 12EDO, as well as 18/17, 19/16, and 24/17. | ||
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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. | |||
'''<font style="font-size: 1. | '''<font style="font-size: 1.35em">Quinsa-quingu (12&193)</font>'''<br> | ||
'''<font style="font-size: 1.2em">5-limit</font>'''<br> | |||
Comma: {{monzo|56 -28 -5}}<br> | |||
Mapping: [{{val|1 2 0}}, {{val|0 -5 28}}]<br> | |||
POTE generator: ~4428675/4194304 = 99.526<br> | |||
Vals: 12, 169, 181, 193, 205, 217, 422<br> | |||
Badness: 0.399849<br><br> | |||
'''<font style="font-size: 1.35em">Quintakwai (12&193)</font>'''<br> | |||
'''<font style="font-size: 1.2em">7-limit</font>'''<br> | |||
Comma list: 5120/5103, 9765625/9680832<br> | |||
Mapping: [{{val|1 2 0 -2}}, {{val|0 -5 28 58}}]<br> | |||
POTE generator: ~625/588 = 99.483<br> | |||
Vals: 12, 169, 181, 193<br> | |||
Badness: 0.155536<br><br> | |||
'''<font style="font-size: 1.2em">11-limit</font>'''<br> | |||
Comma list: 1375/1372, 4375/4356, 5120/5103<br> | |||
Mapping: [{{val|1 2 0 -2 -4}}, {{val|0 -5 28 58 90}}]<br> | |||
POTE generator: ~35/33 = 99.472<br> | |||
Vals: 12, 181, 193, 374, 567ce<br> | |||
Badness: 0.073158<br><br> | |||
'''<font style="font-size: 1.2em">13-limit</font>'''<br> | |||
Comma list: 325/324, 1375/1372, 1575/1573, 4096/4095<br> | |||
Mapping: [{{val|1 2 0 -2 -4 10}}, {{val|0 -5 28 58 90 -76}}]<br> | |||
POTE generator: ~35/33 = 99.468<br> | |||
Vals: 12, 181, 193, 374, 567ce, 941bce<br> | |||
Badness: 0.062737<br><br> | |||
'''<font style="font-size: 1.2em">17-limit</font>'''<br> | |||
Comma list: 325/324, 375/374, 595/594, 1275/1274, 4096/4095<br> | |||
Mapping: [{{val|1 2 0 -2 -4 10 5}}, {{val|0 -5 28 58 90 -76 -11}}]<br> | |||
POTE generator: ~18/17 = 99.469<br> | |||
Vals: 12, 181, 193, 374, 567ce, 941bceg<br> | |||
Badness: 0.037855<br><br> | |||
'''<font style="font-size: 1.2em">19-limit</font>'''<br> | |||
Comma list: 325/324, 375/374, 400/399, 595/594, 1216/1215, 1275/1274<br> | |||
Mapping: [{{val|1 2 0 -2 -4 10 5 4}}, {{val|0 -5 28 58 90 -76 -11 3}}]<br> | |||
POTE generator: ~18/17 = 99.469<br> | |||
Vals: 12, 181, 193, 374, 567ce, 941bcegh, 1508bccdeegghh<br> | |||
Badness: 0.025861<br><br> | |||
'''<font style="font-size: 1.35em">Quintoneum (12&217)</font>'''<br> | |||
'''<font style="font-size: 1.2em">7-limit</font>'''<br> | |||
Comma list: 3136/3125, 33554432/33480783<br> | |||
Mapping: [{{val|1 2 0 -3}}, {{val|0 -5 28 70}}]<br> | |||
POTE generator: ~200/189 = 99.555<br> | |||
Vals: 12, 217, 229, 446, 675c<br> | |||
Badness: 0.142897<br><br> | |||
'''<font style="font-size: 1.2em">11-limit</font>'''<br> | |||
Comma list: 441/440, 3136/3125, 7168000/7144929<br> | |||
Mapping: [{{val|1 2 0 -3 -5}}, {{val|0 -5 28 70 102}}]<br> | |||
POTE generator: ~35/33 = 99.539<br> | |||
Vals: 12, 205d, 217<br> | |||
Badness: 0.087157<br><br> | |||
'''<font style="font-size: 1.35em">Quintasandra (217&229)</font>'''<br> | |||
'''<font style="font-size: 1.2em">11-limit</font>'''<br> | |||
Comma list: 3136/3125, 19712/19683, 41503/41472<br> | |||
Mapping: [{{val|1 2 0 -3 13}}, {{val|0 -5 28 70 -115}}]<br> | |||
POTE generator: ~200/189 = 99.551<br> | |||
Vals: 12e, 217, 446<br> | |||
Badness: 0.109908<br><br> | |||
'''<font style="font-size: 1.2em">13-limit</font>'''<br> | |||
Comma list: 2080/2079, 3136/3125, 4096/4095, 19712/19683<br> | |||
Mapping: [{{val|1 2 0 -3 13 11}}, {{val|0 -5 28 70 -115 -88}}]<br> | |||
POTE generator: ~55/52 = 99.548<br> | |||
Vals: 12e, 217, 446, 663c<br> | |||
Badness: 0.067730<br><br> | |||
'''<font style="font-size: 1.2em">17-limit</font>'''<br> | |||
Comma list: 936/935, 1156/1155, 1377/1375, 3136/3125, 4096/4095<br> | |||
Mapping: [{{val|1 2 0 -3 13 11 5}}, {{val|0 -5 28 70 -115 -88 -11}}]<br> | |||
POTE generator: ~18/17 = 99.548<br> | |||
Vals: 12e, 217, 446, 663c<br> | |||
Badness: 0.038153<br><br> | |||
'''<font style="font-size: 1.2em">19-limit</font>'''<br> | |||
Comma list: 476/475, 936/935, 1156/1155, 1216/1215, 1377/1375, 1729/1728<br> | |||
Mapping: [{{val|1 2 0 -3 13 11 5 4}}, {{val|0 -5 28 70 -115 -88 -11 3}}]<br> | |||
POTE generator: ~18/17 = 99.547<br> | |||
Vals: 12e, 217, 446, 663ch<br> | |||
Badness: 0.026654<br><br> | |||
'''<font style="font-size: 1.35em">Quintasandroid (229&241)</font>'''<br> | |||
'''<font style="font-size: 1.2em">11-limit</font>'''<br> | |||
Comma list: 3136/3125, 8019/8000, 15488/15435<br> | |||
Mapping: [{{val|1 2 0 -3 -6}}, {{val|0 -5 28 70 114}}]<br> | |||
POTE generator: ~200/189 = 99.570<br> | |||
Vals: 12, 217e, 229, 470cd, 699cd<br> | |||
Badness: 0.093971<br><br> | |||
'''<font style="font-size: 1.2em">13-limit</font>'''<br> | |||
Comma list: 351/350, 2080/2079, 3136/3125, 10648/10647<br> | |||
Mapping: [{{val|1 2 0 -3 -6 -8}}, {{val|0 -5 28 70 114 141}}]<br> | |||
POTE generator: ~55/52 = 99.578<br> | |||
Vals: 12f, 217ef, 229, 241, 470cd, 711ccd<br> | |||
Badness: 0.065701<br><br> | |||
'''<font style="font-size: 1.2em">17-limit</font>'''<br> | |||
Comma list: 351/350, 442/441, 561/560, 3136/3125, 7744/7735<br> | |||
Mapping: [{{val|1 2 0 -3 -6 -8 5}}, {{val|0 -5 28 70 114 141 -11}}]<br> | |||
POTE generator: ~18/17 = 99.574<br> | |||
Vals: 12f, 217ef, 229, 241, 470cd<br> | |||
Badness: 0.046624<br><br> | |||
'''<font style="font-size: 1.2em">19-limit</font>'''<br> | |||
Comma list: 351/350, 442/441, 476/475, 561/560, 627/625, 6144/6137<br> | |||
Mapping: [{{val|1 2 0 -3 -6 -8 5 4}}, {{val|0 -5 28 70 114 141 -11 3}}]<br> | |||
POTE generator: ~18/17 = 99.575<br> | |||
Vals: 12f, 217ef, 229, 241, 470cd<br> | |||
Badness: 0.033145<br><br> | |||
'''<font style="font-size: 1.35em">Quintasand (12&229)</font>'''<br> | |||
'''<font style="font-size: 1.2em">13-limit</font>'''<br> | |||
Comma list: 1573/1568, 3136/3125, 4096/4095, 4459/4455<br> | |||
Mapping: [{{val|1 2 0 -3 -6 11}}, {{val|0 -5 28 70 114 -88}}]<br> | |||
POTE generator: ~200/189 = 99.556<br> | |||
Vals: 12, 217e, 229, 446e, 675ceef<br> | |||
Badness: 0.100195<br><br> | |||
'''<font style="font-size: 1.2em">17-limit</font>'''<br> | |||
Comma list: 561/560, 715/714, 1701/1700, 3136/3125, 4096/4095<br> | |||
Mapping: [{{val|1 2 0 -3 -6 11 5}}, {{val|0 -5 28 70 114 -88 -11}}]<br> | |||
POTE generator: ~18/17 = 99.556<br> | |||
Vals: 12, 217e, 229, 446e, 675ceef<br> | |||
Badness: 0.057851<br><br> | |||
'''<font style="font-size: 1.2em">19-limit</font>'''<br> | |||
Comma list: 286/285, 476/475, 561/560, 627/625, 1216/1215, 1729/1728<br> | |||
Mapping: [{{val|1 2 0 -3 -6 11 5 4}}, {{val|0 -5 28 70 114 -88 -11 3}}]<br> | |||
POTE generator: ~18/17 = 99.557<br> | |||
Vals: 12, 217e, 229, 446e, 675ceefh<br> | |||
Badness: 0.040410<br><br> | |||
'''<font style="font-size: 1.35em">Semiquindromeda (12&422)</font>''' | |||
'''<font style="font-size: 1.2em">7-limit</font>'''<br> | |||
Comma list: 102760448/102515625, 1220703125/1219784832<br> | |||
Mapping: [{{val|2 4 0 -5}}, {{val|0 -5 28 64}}]<br> | |||
POTE generator: ~1323/1250 = 99.521<br> | |||
Vals: 12, 398, 410, 422, 832, 1254d, 2086bd<br> | |||
Badness: 0.233140<br><br> | |||
'''<font style="font-size: 1.2em">11-limit</font>'''<br> | |||
Comma list: 5632/5625, 9801/9800, 85937500/85766121<br> | |||
Mapping: [{{val|2 4 0 -5 -10}}, {{val|0 -5 28 64 102}}]<br> | |||
POTE generator: ~1323/1250 = 99.525<br> | |||
Vals: 12, 410, 422<br> | |||
Badness: 0.093926<br><br> | |||
'''<font style="font-size: 1.2em">13-limit</font>'''<br> | |||
Comma list: 1716/1715, 2080/2079, 5632/5625, 831875/830466<br> | |||
Mapping: [{{val|2 4 0 -5 -10 -13}}, {{val|0 -5 28 64 102 123}}]<br> | |||
POTE generator: ~1323/1250 = 99.523<br> | |||
Vals: 12f, 410, 422, 1254df, 1676bdff, 2098bcddff<br> | |||
Badness: 0.053361<br><br> | |||
'''<font style="font-size: 1.2em">17-limit</font>'''<br> | |||
Comma list: 1716/1715, 2080/2079, 2500/2499, 5632/5625, 15895/15876<br> | |||
Mapping: [{{val|2 4 0 -5 -10 -13 10}}, {{val|0 -5 28 64 102 123 -11}}]<br> | |||
POTE generator: ~18/17 = 99.522<br> | |||
Vals: 12f, 410, 422, 832, 1254df, 1676bdff<br> | |||
Badness: 0.034659<br><br> | |||
'''<font style="font-size: 1.2em">19-limit</font>'''<br> | |||
Comma list: 1216/1215, 1445/1444, 1716/1715, 2080/2079, 2376/2375, 2500/2499<br> | |||
Mapping: [{{val|2 4 0 -5 -10 -13 10 8}}, {{val|0 -5 28 64 102 123 -11 3}}]<br> | |||
POTE generator: ~18/17 = 99.523<br> | |||
Vals: 12f, 410, 422, 1254dfhh, 1676bdffhh<br> | |||
Badness: 0.025439<br><br> | |||
'''<font style="font-size: 1.35em">Quindromeda (12&193)</font>'''<br> | |||
'''<font style="font-size: 1.2em">2.3.5.17.19 subgroup</font>'''<br> | |||
Comma list: 1216/1215, 1445/1444, 6144/6137<br> | |||
Mapping: [{{val|1 2 0 5 4}}, {{val|0 -5 28 -11 3}}]<br> | |||
POTE generator: ~18/17 = 99.524<br> | |||
Vals: 12, 169, 181, 193, 205, 422<br> | |||
== See also == | |||
* [[12edo]]: relative EDO | |||
* [[19ED3|19ed3]]: relative ED3 | |||
* [[31ed6]]: relative ED6 | |||
* [[34ed7]]: relative ED7 | |||
* [[40ed10]]: relative ED10 | |||
* [[42ed11]]: relative ED11 | |||
==See also== | |||
*[[12edo]]: relative EDO | |||
*[[19ED3|19ed3]]: relative ED3 | |||
*[[31ed6]]: relative ED6 | |||
*[[34ed7]]: relative ED7 | |||
*[[40ed10]]: relative ED10 | |||
*[[42ed11]]: relative ED11 | |||
[[Category:Ed5]] | [[Category:Ed5]] | ||
[[Category:Edonoi]] | [[Category:Edonoi]] | ||