倍音 - 0b5vr

倍音

表

code:overtone

1 | 0.000 |

2 | 12.000 | 1 oct

3 | 19.020 | 1 oct + 5 + 1.955 cent

4 | 24.000 | 2 oct

5 | 27.863 | 2 oct + Maj3 - 13.686 cent

6 | 31.020 | 2 oct + 5 + 1.955 cent

7 | 33.688 | 2 oct + min7 - 31.174 cent

8 | 36.000 | 3 oct

9 | 38.039 | 3 oct + Maj2 + 3.910 cent

10 | 39.863 | 3 oct + Maj3 - 13.686 cent

11 | 41.513 | 3 oct + Aug4 - 48.682 cent

12 | 43.020 | 3 oct + 5 + 1.955 cent

13 | 44.405 | 3 oct + min6 + 40.528 cent

14 | 45.688 | 3 oct + min7 - 31.174 cent

15 | 46.883 | 3 oct + Maj7 - 11.731 cent

16 | 48.000 | 4 oct

code:js

...Array(16).map((_, i) => {

const p = Math.log2(i + 1) * 12;

return [

i + 1,

p.toFixed(3),

'min2', 'Maj2', 'min3', 'Maj3', '4', 'Aug4', '5', 'min6', 'Maj6', 'min7', 'Maj7'Math.round(p) % 12,

(((p + 0.5) % 1 - 0.5) * 100).toFixed(3),

];

});