Subgroup temperaments: Difference between revisions
m only has one entry... and the entry clearly should be somewhere else |
FilterNashi (talk | contribs) Seventeen-cot temperament |
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Scales: [[Oceanfront scales]] | Scales: [[Oceanfront scales]] | ||
=== Seventeen-cot === | |||
Seventeen-cot is a rank-2 temperament in the 2.3.13/5 and 2.3.11/5.13/5 subgroups.It tempers out the [[Tendoartisma]] in the 2.3.13/5 subgroup. It can be generated with a ~2/1 octave and a ~2250/2197 or ~169/165 generator which is a 17th of a ~3/2 perfect fifth. It can be described as the 29 & 146 temperament in these subgroups. | |||
====2.3.13/5 subgroup==== | |||
Comma basis: {{monzo| -6 -11 17 }} | |||
edo join: 29 & 146 | |||
{{Mapping|legend=2| 1 1 1 | 0 17 11 }} | |||
: mapping generators: ~2, ~2250/2197 | |||
Optimal tunings: | |||
* WE: ~2 = 1200.000{{c}}, ~2250/2197 = 41.291{{c}} | |||
: error map: {{val| 0.000 0.001 -0.007}} | |||
* CWE: ~2 = 1200.000{{c}}, ~2250/2197 = 41.292{{c}} | |||
: error map: {{val| 0.000 0.001 -0.007}} | |||
edos: 29, 465, 494, 436, 523, 407, 378, 349, 30[-3], 28[+3], 320, 291, 59[-3], 262 | |||
Badness (Sintel): 0.064 | |||
====2.3.11/5.13/5 subgroup==== | |||
Comma basis: 225000/224939, 43940/43923 | |||
edo join: 29 & 146 | |||
{{Mapping|legend=2| 1 1 1 1 | 0 17 4 11 }} | |||
: mapping generators: ~2, ~2250/2197 | |||
Optimal tunings: | |||
* WE: ~2 = 1199.993{{c}}, ~169/165 = 41.292{{c}} | |||
: error map: {{val| -0.007 -0.000 0.157 -0.010}} | |||
* CWE: ~2 = 1200.000{{c}}, ~169/165 = 41.292{{c}} | |||
: error map: {{val| 0.000 0.005 0.163 -0.005}} | |||
edos: 29, 465, 494, 436, 523, 407, 378, 349, 320, 291, 30[-3], 262, 28[+3], 233 | |||
Badness (Sintel): 0.080 | |||
== 2.….49/5.… subgroups == | == 2.….49/5.… subgroups == | ||