313edo: Difference between revisions

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The '''313 equal divisions of the octave''' ('''313edo''') is the [[EDO|equal division of the octave]] into 313 parts of 3.83387 [[cent]]s each.
{{EDO intro|313}}


== Theory ==
== Theory ==
313edo provides the [[optimal patent val]] for 11- and 13-limit [[hemischis]] temperament and the 13-limit rank-3 temperaments [[madagascar]] and [[hera]]. It tempers out the [[schisma]], 32805/32768, in the 5-limit; [[6144/6125]] and [[19683/19600]] in the 7-limit; [[540/539]], [[5632/5625]], [[8019/8000]] and [[16384/16335]] in the 11-limit; [[351/350]], [[676/675]], [[729/728]], [[1001/1000]], [[2080/2079]] and [[4096/4095]] in the 13-limit.
313edo provides the [[optimal patent val]] for 11- and 13-limit [[hemischis]] temperament and the 13-limit rank-3 temperaments [[madagascar]] and [[hera]]. It tempers out the [[schisma]], 32805/32768, in the 5-limit; [[6144/6125]] and [[19683/19600]] in the 7-limit; [[540/539]], [[5632/5625]], [[8019/8000]] and [[16384/16335]] in the 11-limit; [[351/350]], [[676/675]], [[729/728]], [[1001/1000]], [[2080/2079]] and [[4096/4095]] in the 13-limit.


313edo is the 65th [[prime EDO]].
313edo is the 65th [[prime edo]].


=== Prime harmonics ===
=== Prime harmonics ===
{{Primes in edo|313}}
{{Harmonics in equal|313}}


== Regular temperament properties ==
== Regular temperament properties ==
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|-
|-
| 2.3
| 2.3
| {{monzo| -496 313 }}
| {{monzo| -496 313 }}
| [{{val| 313 496 }}]
| [{{val| 313 496 }}]
| +0.113
| +0.113
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| [[9/8]] (-0.715 ¢)
| [[9/8]] (-0.715 ¢)
|-
|-
| 12 (65\313)
| 12 (65\313)
| 249.201
| 249.201
| [[15/13]] (+1.46 ¢)
| [[15/13]] (+1.46 ¢)
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| [[13/10]] (-1,818 ¢)
| [[13/10]] (-1,818 ¢)
|-
|-
| 12 (130\313)
| 12 (130\313)
| 498.403
| 498.403
| [[4/3]] (+0.358 ¢)
| [[4/3]] (+0.358 ¢)
|-
|-
| 53 (183\313)
| 53 (183\313)
| 701.597
| 701.597
| [[3/2]] (-0.358 ¢)
| [[3/2]] (-0.358 ¢)
|-
|-
| 12 (195\313)
| 12 (195\313)
| 747.604
| 747.604
| [[20/13]] (+1.818 ¢)
| [[20/13]] (+1.818 ¢)
|-
|-
| 53 (248\313)
| 53 (248\313)
| 950.799
| 950.799
| [[26/15]] (-1.46 ¢)
| [[26/15]] (-1.46 ¢)
|-
|-
| 12 (260\313)
| 12 (260\313)
| 996.805
| 996.805
| [[16/9]] (+0.715 ¢)
| [[16/9]] (+0.715 ¢)
|-
|-
| 53 (313\313)
| 53 (313\313)
| 1200.000
| 1200.000
| [[2/1]] (±0 ¢)
| [[2/1]] (±0 ¢)
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[[Category:Equal divisions of the octave]]
[[Category:Equal divisions of the octave]]
[[Category:Prime EDO]]
[[Category:Prime EDO]]
[[Category:Hemischis]]
[[Category:Hera]]
[[Category:Albus]]

Revision as of 13:23, 31 March 2022

Template:EDO intro

Theory

313edo provides the optimal patent val for 11- and 13-limit hemischis temperament and the 13-limit rank-3 temperaments madagascar and hera. It tempers out the schisma, 32805/32768, in the 5-limit; 6144/6125 and 19683/19600 in the 7-limit; 540/539, 5632/5625, 8019/8000 and 16384/16335 in the 11-limit; 351/350, 676/675, 729/728, 1001/1000, 2080/2079 and 4096/4095 in the 13-limit.

313edo is the 65th prime edo.

Prime harmonics

Approximation of prime harmonics in 313edo
Harmonic 2 3 5 7 11 13 17 19 23 29 31
Error Absolute (¢) +0.00 -0.36 +0.91 +1.14 +0.76 -0.91 -1.44 +1.53 +0.48 +1.73 +1.29
Relative (%) +0.0 -9.3 +23.7 +29.8 +19.8 -23.8 -37.6 +39.9 +12.5 +45.2 +33.7
Steps
(reduced)
313
(0)
496
(183)
727
(101)
879
(253)
1083
(144)
1158
(219)
1279
(27)
1330
(78)
1416
(164)
1521
(269)
1551
(299)

Regular temperament properties

Subgroup Comma list Mapping Optimal
8ve stretch (¢)
Tuning error
Absolute (¢) Relative (%)
2.3 [-496 313 [313 496]] +0.113 0.113 2.94
2.3.5 32805/32768, [-1 49 -33 [313 496 727]] -0.055 0.254 6.64
2.3.5.7 6144/6125, 19683/19600, 40500000/40353607 [313 496 727 879]] -0.143 0.268 6.99
2.3.5.7.11 540/539, 5632/5625, 8019/8000, 43923/43904 [313 496 727 879 1083]] -0.158 0.242 6.30
2.3.5.7.11.13 351/350, 540/539, 676/675, 4096/4095, 43923/43904 [313 496 727 879 1083 1158]] -0.091 0.267 6.97

Scales

Madagascar[9] (or Barbados[9]) scale
Step Cents JI Interpretation
53 (53\313) 203.195 9/8 (-0.715 ¢)
12 (65\313) 249.201 15/13 (+1.46 ¢)
53 (118\313) 452.396 13/10 (-1,818 ¢)
12 (130\313) 498.403 4/3 (+0.358 ¢)
53 (183\313) 701.597 3/2 (-0.358 ¢)
12 (195\313) 747.604 20/13 (+1.818 ¢)
53 (248\313) 950.799 26/15 (-1.46 ¢)
12 (260\313) 996.805 16/9 (+0.715 ¢)
53 (313\313) 1200.000 2/1 (±0 ¢)

Music