chromatone-theory/tunings.js

Music theory needed to create chromatone empowered apps

export const limit5 = {
  '1/1': 1,
  '16/15': 16 / 15,
  '9/8': 9 / 8,
  '6/5': 6 / 5,
  '5/4': 5 / 4,
  '4/3': 4 / 3,
  '45/32': 45 / 32,
  '3/2': 3 / 2,
  '8/5': 8 / 5,
  '5/3': 5 / 3,
  '9/5': 9 / 5,
  '15/8': 15 / 8,
}

export const pythagoras = [
  {
    two: 8,
    three: 5,
    inv: false,
  },
  {
    two: 3,
    three: 2,
    inv: true,
  },
  {
    two: 5,
    three: 3,
    inv: false,
  },
  {
    two: 6,
    three: 4,
    inv: true,
  },
  {
    two: 2,
    three: 1,
    inv: false,
  },
  {
    two: 9,
    three: 6,
    inv: true,
  },
  {
    two: 1,
    three: 1,
    inv: true,
  },
  {
    two: 7,
    three: 4,
    inv: false,
  },
  {
    two: 4,
    three: 3,
    inv: true,
  },
  {
    two: 4,
    three: 2,
    inv: false,
  },
  {
    two: 7,
    three: 5,
    inv: true,
  },
]