Tetrameantone: Difference between revisions
Dummy index (talk | contribs) →Tetrameantone on tritave: 3.5.13 subgroup temperament and its comma |
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| Ratio = 531441/528125 | | Ratio = 531441/528125 | ||
| Name = dinos comma | | Name = dinos comma | ||
| Color name = L3uug^51, lathuthuquingu 1sn | |||
| Comma = yes | | Comma = yes | ||
}} | }} | ||
'''531441/528125''', the '''dinos comma''', is a small 13-limit comma. It can be expressed as (9/5)/(325/243)<sup>2</sup>. | '''531441/528125''', the '''dinos comma''', is a small 13-limit comma. It can be expressed as (9/5)/(325/243)<sup>2</sup>, (9/5)/(4/3)<sup>2</sup>/(325/324)<sup>2</sup> and (81/80)/(325/324)<sup>2</sup>, among other expressions. | ||
==== Temperaments ==== | ==== Temperaments ==== | ||
Tempering out this comma means equating two 325/243 (tridecimal marvelous fourth) with 9/5. This comma is | Tempering out this comma means equating a stack of two 325/243 (tridecimal marvelous fourth) with 9/5. This comma is tempered out in some 13-limit temperaments, e.g. flattone. | ||
==== Etymology ==== | ==== Etymology ==== | ||
The name "dinos" is proposed by Dummy index in 2024. It means: "miNOr Seventh is divided into 2 equal parts". | The name "dinos" is proposed by Dummy index in 2024. It means: "miNOr Seventh is divided into 2 equal parts". | ||