Septimal diatonic semitone
| Inverse | major seventh |
|---|---|
| Name | |
| Other names | Septimal diatonic semitone |
| Size | |
| Semitones | 1 |
| Interval class | 1 |
| Just interval | 15:14 |
| Cents | |
| Equal temperament | 100 |
| 24 equal temperament | 100 |
| Just intonation | 119.44 |
In music, a septimal diatonic semitone (or major diatonic semitone[1]) is the interval 15:14 
Play . It is about 119.44 cents. The septimal diatonic semitone may be derived from the harmonic series as the interval between the fourteenth and fifteenth harmonics (B7b and B).
The septimal diatonic semitone equals a just diatonic semitone Play (16:15, or 111.73 cents) plus a septimal kleisma (the interval 225:224, or 7.71 cents).
Septimal diatonic semitone (15/14) on C Play
Play 
Septimal diatonic semitone on C, as in the harmonic series.
See also
- Major diatonic semitone (5-limit, 16:15)
- Minor diatonic semitone (or septendecimal diatonic semitone, 17:16).
Sources
- ↑ Haluska, Jan (2003). The Mathematical Theory of Tone Systems, p.xxiv & 25. ISBN 0-8247-4714-3.
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