7:9:11: Difference between revisions

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{{Infobox Chord|ColorName=ru loru 5, r(1or5)}}7:9:11 is a chord. It sort of sounds like an augmented fifth chord, including two types of third, a [[9/7]] supermajor third, and a [[11/9]] hyperminor third.
{{Infobox chord|ColorName = ru loru 5, r(1or5)}}
'''7:9:11''' is a chord. It sort of sounds like an augmented fifth chord, including two types of third, a [[9/7]] supermajor third, and a [[11/9]] neutral third.


It is one of the simplest chords that truly sounds xenharmonic. [[6:7:9:11]] and variants are another such simple xen chords.
It is one of the simplest chords that truly sounds xenharmonic. [[6:7:9:11]] and variants are another such simple xen chords.
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== Notable voicings ==
== Notable voicings ==
{| class="wikitable"
{| class="wikitable"
!Voices
! Voices
![[EFR]]
! [[EFR]]
![[Kite's thoughts on hi-lo notation|Hi-lo name]]
! [[Kite's thoughts on hi-lo notation|Hi-lo name]]
!Special properties
! Special properties
|-
|-
| rowspan="4" |3 voices
| rowspan="4" | 3 voices
|7:9:11
| 7:9:11
|basic
| basic
|AOV, isoharmonic, root position
| AOV, isoharmonic, root position
|-
|-
|7:11:18
| 7:11:18
|hi3
| hi3
|
|  
|-
|-
|9:11:14
| 9:11:14
|hiR
| hiR
|1st inversion
| 1st inversion
|-
|-
|11:14:18
| 11:14:18
|lo5
| lo5
|2nd inversion
| 2nd inversion
|-
|-
| rowspan="2" |4 voices
| rowspan="2" | 4 voices
|7:9:11:'''14'''
| 7:9:11:'''14'''
|add8
| add8
|
|  
|-
|-
|7:11:18:28
| 7:11:18:28
|lo5Radd8
| lo5Radd8
|
|  
|}
|}


== Related chords ==
== Related chords ==
Plausible [[Chord homonym|homonyms]]: all, min6 no5 or aug5 chords.
Plausible [[chord homonym|homonyms]]: all, min6 no5 or aug5 chords.


Notable extensions:
Notable extensions:
* [[7:9:11:13]]
* [[7:9:11:13]]
* [[7:9:11:13:15]]
* [[7:9:11:13:15]]
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Similar chords:
Similar chords:
* [[6:7:9|7:9:12]] (substitutes [[11/7]] for [[12/7]])
* [[6:7:9|7:9:12]] (substitutes [[11/7]] for [[12/7]])
* [[14:18:21]] (substitutes 11/7 for 3/2)
* [[14:18:21]] (substitutes 11/7 for 3/2)


Lower limit soundalikes:
Lower limit soundalikes:
* [[20:25:32:40]] (5-limit)
* [[20:25:32:40]] (5-limit)


Higher limit soundalikes:
Higher limit soundalikes:
* [[8:10:13]] (13-limit)
* [[8:10:13]] (13-limit)
* [[11:14:17:20|11:14:17]] (17-limit)
* [[11:14:17]] (17-limit)

Revision as of 14:52, 19 February 2026

Chord information
Harmonics 7:9:11
Subharmonics 1/(99:77:63)
Intervals from root 1/19/711/7
Cents from root 435¢782¢
Step intervals 9/7, 11/9
Step cents 435¢, 347¢
Color names ru loru 5
r(1or5)
Prime limit 11
Genus 32711 (693)
Intervallic odd limit 11
Otonal odd limit 11
Utonal odd limit 99
Consistent edos (d ≥ 2) 3edo*, 11edo*, 14edo*, 17edo*, …

7:9:11 is a chord. It sort of sounds like an augmented fifth chord, including two types of third, a 9/7 supermajor third, and a 11/9 neutral third.

It is one of the simplest chords that truly sounds xenharmonic. 6:7:9:11 and variants are another such simple xen chords.

Audio of close voicings

7:9:11
9:11:14
11:14:18

Notable voicings

Voices EFR Hi-lo name Special properties
3 voices 7:9:11 basic AOV, isoharmonic, root position
7:11:18 hi3
9:11:14 hiR 1st inversion
11:14:18 lo5 2nd inversion
4 voices 7:9:11:14 add8
7:11:18:28 lo5Radd8

Related chords

Plausible homonyms: all, min6 no5 or aug5 chords.

Notable extensions:

Similar chords:

Lower limit soundalikes:

Higher limit soundalikes: