3ifdo
Template:Infobox IDO 3ido (inverse-arithmetic division of the octave), or 3-UDO (utonal division of the octave), if the attempt is made to use it as an actual scale, would divide the octave into three inverse-arithmetically equal parts. The notes of this scale form a classic minor triad.
Intervals
| # | Cents | Ratio | Interval name | Audio |
|---|---|---|---|---|
| 0 | 0.00 | 1/1 | perfect unison | |
| 1 | 315.64 | 6/5 | just minor third | |
| 2 | 701.96 | 3/2 | just perfect fifth | |
| 3 | 1200.00 | 2/1 | perfect octave |