3-odd-limit: Difference between revisions

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Density of edos consistent to distance d
 
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{{odd-limit navigation}}
{{Odd-limit navigation}}
This is a list of '''3-[[odd-limit]]''' intervals. To [[1-odd-limit]], it adds 1 interval pair involving 3. See also [[3-limit]]
{{Odd-limit intro|3}}


* [[1/1]]
* [[1/1]]
* '''[[4/3]], [[3/2]]'''
* '''[[4/3]], [[3/2]]'''
[[Category:Just interval]]
[[Category:Odd limit]]


{| class="wikitable center-all right-2 left-5"
{| class="wikitable center-all right-2 left-5"
Line 18: Line 15:
| w4
| w4
| wa 4th
| wa 4th
| just perfect forth
| just perfect fourth
|-
|-
| [[3/2]]
| [[3/2]]
Line 27: Line 24:
|}
|}


[[Category:Just interval]]
All edos are [[consistent]] in the 3-odd-limit, since there are only two [[pitch class]]es besides the octave. The {{w|natural density|density}} of edos consistent in the 3-odd-limit to distance ''d'' is expected to be 1/''d'' for {{nowrap| ''d'' ≥ 1 }}.
[[Category:Odd limit]]
 
== See also ==
* [[3-limit]] ([[prime limit]])
 
[[Category:3-odd-limit| ]] <!-- main article -->

Latest revision as of 09:47, 15 August 2025

The 3-odd-limit is the set of all rational intervals which can be written as 2k(a/b) where a, b ≤ 3 and k is an integer. To the 1-odd-limit, it adds 1 pairs of octave-reduced interval involving 3.

Below is a list of all octave-reduced intervals in the 3-odd-limit.

Ratio Size (¢) Color name Name
4/3 498.045 w4 wa 4th just perfect fourth
3/2 701.955 w5 wa 5th just perfect fifth

All edos are consistent in the 3-odd-limit, since there are only two pitch classes besides the octave. The density of edos consistent in the 3-odd-limit to distance d is expected to be 1/d for d ≥ 1.

See also