Delta: Difference between revisions

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Created page with "The delta of a ratio is simply the difference between the numerator and the denominator. Thus superparticular ratios like 9/8 are delta-1 ratios. Ratios of the form <m..."
 
Disambiguate two scales called delta scale, add definition found on Tonalsoft Enyclopedia
 
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The delta of a [[ratio]] is simply the difference between the numerator and the denominator. Thus [[superparticular]] ratios like 9/8 are delta-1 ratios. Ratios of the form <math>\frac{n+2}{n}</math> like 7/5 are delta-2.
'''Delta''' may refer to:
{| class="wikitable"
 
|+
== Theory ==
!delta-1 ratios
* Delta, the frequency difference represented by an interval relative to its root, used to classify [[rational interval]]s as [[delta-N ratio]]s
|2/1
* Delta, the frequency difference represented by an interval relative to other intervals of a chord, used to notate the [[delta signature]] of [[delta-rational chord]]s
|3/2
* δ (lowercase delta), a note name used in certain [[musical notation]] systems to designate a note near D, but having a different musical function<ref>[[Tonalsoft Encyclopedia]]. ''[http://www.tonalsoft.com/enc/d/delta.aspx Delta]''.</ref>
|4/3
 
|5/4
== Scales ==
|6/5
* Delta scale, a mode of the [[Lambda]] scale in [[Bohlen-Pierce]] tuning
|7/6
* Delta scale, a scale equivalent to [[8ed16/15]]
|etc.
 
|-
== References ==
!delta-2 ratios
<references/>
|3/1
 
|5/3
{{Disambiguation}}
|7/5
|9/7
|11/9
|13/11
|etc.
|-
!delta-3 ratios
|4/1
|5/2
|7/4
|8/5
|10/7
|11/8
|etc.
|-
!delta-4 ratios
|5/1
|7/3
|9/5
|11/7
|13/9
|15/11
|etc.
|}
The term delta was coined by [[Kite Giedraitis]].

Latest revision as of 01:48, 6 August 2025

Delta may refer to:

Theory

  • Delta, the frequency difference represented by an interval relative to its root, used to classify rational intervals as delta-N ratios
  • Delta, the frequency difference represented by an interval relative to other intervals of a chord, used to notate the delta signature of delta-rational chords
  • δ (lowercase delta), a note name used in certain musical notation systems to designate a note near D, but having a different musical function[1]

Scales

References

This disambiguation page lists pages associated with the title Delta.

If an internal link led you here, you may wish to change the link to point directly to the intended page.