Calabi-Yau Manifold: Difference between revisions

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== Tuning ==
== Tuning ==
Sevish used the "JI-11" preset on his Camel Audio Alchemy synthesizer. This tuning represents an 11-note scale in the 2.3.7 just intonation [[subgroup]].
Sevish used the "JI-11" preset on his Camel Audio Alchemy synthesizer. This tuning represents an 11-note scale in the 2.9.7 just intonation [[subgroup]].
{| class="wikitable"
{| class="wikitable"
! degree
! degree
! [[ratio]]
! [[ratio]]
!Factorization
2.9.7 subgroup
! [[cent]]s (¢)
! [[cent]]s (¢)
|-
|-
| 1
| 1
| [[343/324]]
| [[343/324]]
|2<sup>-2</sup> × 7<sup>3</sup> × 9<sup>-2</sup>
| 98.6577159458251
| 98.6577159458251
|-
|-
| 2
| 2
| [[9/8]]
| [[9/8]]
|2<sup>-3</sup> × 9
| 203.910001730775
| 203.910001730775
|-
|-
| 3
| 3
| [[98/81]]
| [[98/81]]
|2 × 7<sup>2</sup> × 9<sup>-2</sup>
| 329.8318094767
| 329.8318094767
|-
|-
| 4
| 4
| [[9/7]]
| [[9/7]]
|7<sup>-1</sup> × 9
| 435.08409526165
| 435.08409526165
|-
|-
| 5
| 5
| [[49/36]]
| [[49/36]]
|2<sup>-2</sup> × 7<sup>2</sup> × 9<sup>-1</sup>
| 533.741811207475
| 533.741811207475
|-
|-
| 6
| 6
| [[72/49]]
| [[72/49]]
|2<sup>3</sup> × 7<sup>-2</sup> × 9
| 666.258188792525
| 666.258188792525
|-
|-
| 7
| 7
| [[14/9]]
| [[14/9]]
|2 × 7 × 9<sup>-1</sup>
| 764.91590473835
| 764.91590473835
|-
|-
| 8
| 8
| [[81/49]]
| [[81/49]]
|7<sup>-2</sup> × 9<sup>2</sup>
| 870.1681905233
| 870.1681905233
|-
|-
| 9
| 9
| [[16/9]]
| [[16/9]]
|2<sup>4</sup> × 9<sup>-1</sup>
| 996.089998269225
| 996.089998269225
|-
|-
| 10
| 10
| [[648/343]]
| [[648/343]]
|2<sup>3</sup> × 7<sup>-3</sup> × 9<sup>2</sup>
| 1101.34228405417
| 1101.34228405417
|-
|-
| 11
| 11
| [[2/1]]
| [[2/1]]
|2
| 1200
| 1200
|}
|}

Latest revision as of 07:47, 9 February 2026

Calabi-Yau Manifold is a drum and bass track by Sevish that uses just intonation tuning. It was released on his album Golden Hour in 2010.

Audio

Tuning

Sevish used the "JI-11" preset on his Camel Audio Alchemy synthesizer. This tuning represents an 11-note scale in the 2.9.7 just intonation subgroup.

degree ratio Factorization

2.9.7 subgroup

cents (¢)
1 343/324 2-2 × 73 × 9-2 98.6577159458251
2 9/8 2-3 × 9 203.910001730775
3 98/81 2 × 72 × 9-2 329.8318094767
4 9/7 7-1 × 9 435.08409526165
5 49/36 2-2 × 72 × 9-1 533.741811207475
6 72/49 23 × 7-2 × 9 666.258188792525
7 14/9 2 × 7 × 9-1 764.91590473835
8 81/49 7-2 × 92 870.1681905233
9 16/9 24 × 9-1 996.089998269225
10 648/343 23 × 7-3 × 92 1101.34228405417
11 2/1 2 1200