# 6afdo

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**6afdo** (arithmetic frequency division of the octave), or **6odo** (otonal division of the octave), divides the octave into six parts of 1/6 each. As a scale it may be known as mode 6 of the harmonic series or the Over-6 scale. It is an effective system that contains several useful intervals such as 7/6, 4/3 and 3/2 although it lacks a major third on its root position.

Budjarn Lambeth calls it the Freeway scale.

## Intervals

# | Cents | Ratio | Decimal | Interval name | Audio |
---|---|---|---|---|---|

0 | 0 | 1/1 | 1.000 | perfect unison | |

1 | 266.9 | 7/6 | 1.1667 | subminor third | |

2 | 498.0 | 4/3 | 1.3333 | just perfect fourth | |

3 | 702.0 | 3/2 | 1.5000 | just perfect fifth | |

4 | 884.5 | 5/3 | 1.6667 | just major sixth | |

5 | 1049.4 | 11/6 | 1.8333 | undecimal neutral seventh | |

6 | 1200.0 | 2/1 | 2.0000 | perfect octave |

## Scales

Geode: 7/6-8/6-9/6-11/6-12/6