Diminished octave
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| Inverse | augmented unison | |
|---|---|---|
| Name | ||
| Other names | - | |
| Abbreviation | d8 | |
| Size | ||
| Semitones | 11 | |
| Interval class | 1 | |
| Just interval | 48:25 | |
| Cents | ||
| Equal temperament | 1100 | |
| Just intonation | 1129 | |
In music, a diminished octave is an interval that spans eight diatonic scale degrees.
It is one semitone less than a perfect octave.
It is less than a perfect octave by a chromatic semitone.
[edit] References
Music theory in Practice, Grade 4
Intervals | |
|---|---|
| Perfect | unison (0) · fourth (5) · fifth (7) · octave (12) |
| Major | second (2) · third (4) · sixth (9) · seventh (11) |
| Minor | second (1) · third (3) |
| Augmented | unison (1) · second (3) · third (5) · fourth (6) · fifth (8) · sixth (10) · seventh (12) |
| Diminished | second (0) · third (2) · fourth (4) · fifth (6) · sixth (7) · seventh (9) · octave (11) |
| Semitones are given in brackets | |
