Harmonics 5–10: Difference between revisions

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{{Infobox AFDO|steps=5}}
{{Infobox harmonics|5}}
[[File:5ado scale.wav|thumb]]
[[File:5ado scale.wav|thumb]]


'''5afdo''' ([[AFDO|arithmetic frequency division of the octave]]), or '''5odo''' ([[otonal division]] of the octave), divides the octave into five parts of 1/5 each. It is a superset of [[4afdo]] and a subset of [[6afdo]]. As a scale it may be known as [[Harmonic mode|mode 5 of the harmonic series]] or the [[Overtone scale #Over-n scales|Over-5]] scale. As 5 is a small odd number, this afdo does not contain a perfect fifth or any reasonable approximation to it over the root, and it is relatively poor for its size at creating traditional tonal music compared to 4afdo and 6afdo (again only if over the root, the modes have more to offer).
{{Harmonics intro|5}} As 5 is a small odd number, this scale does not contain a perfect fifth or any reasonable approximation to it over the root, and it is relatively poor for its size at creating traditional tonal music compared to [[Harmonics 4–8|harmonics 4–8]] and [[Harmonics 6–12|harmonics 6–12]] (again only if over the root, the modes have more to offer).


== Intervals ==
== Intervals ==
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* [[Otonalpentad]] – this file starts with 8/5
* [[Otonalpentad]] – this file starts with 8/5


[[Category:African music]]
{{Navbox harmonics}}

Latest revision as of 23:50, 10 October 2026

Harmonics 5–10
Prime factorization 5 (prime)
Dual sharp fifth 8/5 (813.686c)
Dual flat fifth 7/5 (582.512c)

The harmonic segment 5::10 (also harmonics 5–10) consists of harmonics 5 through 10 (5:6:7:8:9:10) and spans one octave above the root. Used as a scale, it is also called mode 5 of the harmonic series. As 5 is a small odd number, this scale does not contain a perfect fifth or any reasonable approximation to it over the root, and it is relatively poor for its size at creating traditional tonal music compared to harmonics 4–8 and harmonics 6–12 (again only if over the root, the modes have more to offer).

Intervals

# Cents Ratio Decimal Interval name Audio
0 0 1/1 1.0000 perfect unison
1 315.6 6/5 1.2000 just minor third
2 582.5 7/5 1.40000 narrow tritone
3 813.7 8/5 1.6000 just minor sixth
4 1017.6 9/5 1.8000 just minor seventh
5 1200.0 2/1 2.0000 perfect octave

Scala files

View • Talk • EditOvertone scales 
Small modes 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24
Larger modes 30 • 32 • 36 • 48 • 60 • 128
Families /2: 2 • 4 • 8 • 16 • 32 • 128
/3: 3 • 6 • 9 • 12 • 15 • 18 • 21 • 24
/5: 5 • 10 • 15 • 20 • 25 • 30 • 35 • 60 • 80
/7: 7 • 14 • 21 • 28 • 35 • 56
/11: 11 • 22 • 33
/13: 13 • 26
Related Harmonic series • Subharmonic series • Carlos harmonic scale • Ringer scale • Primodality