161/160: Difference between revisions
Created page with "{{Infobox Interval | Name = major kirnbergerisma | Color name = 23ozg2, twethozogu 2nd <br>Twethozogu comma | Comma = yes }} '''161/160''', the '''major kirnbergerisma''', is..." |
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'''161/160''', the '''major kirnbergerisma''', is a [[small comma|small]] [[23-limit]] [[superparticular]] comma about 10.79 [[cent]]s in size. It forms the difference between [[23/16]] and [[10/7]]. | '''161/160''', the '''major kirnbergerisma''', is a [[small comma|small]] [[23-limit]] [[superparticular]] comma about 10.79 [[cent]]s in size. It forms the difference between [[23/16]] and [[10/7]]. | ||
== Temperaments == | |||
Tempering out this comma in the 23-limit leads to the rank-8 '''major kirnbergerismic temperament'''. In the 2.5.7.23 subgroup, tempering it out leads to the rank-3 '''major kirnbergic temperament'''. | |||
=== Major kirnbergerismic === | |||
[[Subgroup]]: full 23-limit | |||
[[Comma list]]: 161/160 | |||
[[Mapping]]: <br><nowiki>[</nowiki>⟨1 0 0 0 0 0 0 0 5<nowiki>]</nowiki>, <br> ⟨0 1 0 0 0 0 0 0 0<nowiki>]</nowiki>, <br> ⟨0 0 1 0 0 0 0 0 1<nowiki>]</nowiki>, <br> ⟨0 0 0 1 0 0 0 0 -1<nowiki>]</nowiki>, <br> ⟨0 0 0 0 1 0 0 0 0<nowiki>]</nowiki>, <br> ⟨0 0 0 0 0 1 0 0 0<nowiki>]</nowiki>, <br> ⟨0 0 0 0 0 0 1 0 0<nowiki>]</nowiki>, <br> ⟨0 0 0 0 0 0 0 1 0<nowiki>]]</nowiki> | |||
: Mapping generators: ~2, ~3, ~5, ~7, ~11, ~13, ~17, ~19 | |||
[[Optimal tuning]] (POTE): ~2 = 1\1, ~3/2 = 700.5007, ~5/4 = 385.1726, ~7/4 = 964.8038, ~11/8 = 548.1438, ~13/8 = 837.1324, ~17/16 = 101.2050, ~19/16 = 293.6154 | |||
=== Major kirnbergic === | |||
Subgroup: 2.5.7.23 | |||
Comma list: 161/160 | |||
Mapping: <br><nowiki>[</nowiki>⟨1 0 0 5<nowiki>]</nowiki>, <br> ⟨0 1 0 1<nowiki>]</nowiki>, <br> ⟨0 0 1 -1<nowiki>]]</nowiki> | |||
: Mapping generators: ~2, ~5, ~7 | |||
Optimal tuning (POTE): ~2 = 1\1, ~5/4 = 385.1726, ~7/4 = 964.8038 | |||
== Etymology == | == Etymology == | ||
The name ''major kirnbergerisma'' is contrast to the ''minor kirnbergerisma'', [[162/161]], measuring about 10.72¢, which is the difference between [[23/18]] and [[9/7]]. The word ''kirnbergerisma'' was | The name ''major kirnbergerisma'' is contrast to the ''minor kirnbergerisma'', [[162/161]], measuring about 10.72¢, which is the difference between [[23/18]] and [[9/7]]. 161/160 is larger than 162/161 by a [[23-limit]] [[unnoticeable comma]], [[25921/25920]]. The word ''kirnbergerisma'' was introduced by [[User:Xenllium|Xenllium]] in 2023, for the following reason - 161/160 or 162/161 may be found in JI-approximated version of [[Kirnberger II]] as the difference between 1/2-comma-flattened fifth and pure fifth. | ||
== See also == | == See also == | ||
* [[Small comma]] | * [[Small comma]] | ||
* [[List of superparticular intervals]] | * [[List of superparticular intervals]] | ||
* [[161/108]] – a JI-approximated version of 1/2-comma-flattened fifth | |||
* [[161/120]] – a JI-approximated version of 1/2-comma-sharpened fourth | * [[161/120]] – a JI-approximated version of 1/2-comma-sharpened fourth | ||
* [[216/161]] – a JI-approximated version of 1/2-comma-sharpened fourth | * [[216/161]] – a JI-approximated version of 1/2-comma-sharpened fourth | ||
* [[240/161]] – a JI-approximated version of 1/2-comma-flattened fifth | * [[240/161]] – a JI-approximated version of 1/2-comma-flattened fifth | ||
[[Category:Kirnbergerismic]] | [[Category:Kirnbergerismic]] | ||
[[Category:Major kirnbergerismic]] | |||
[[Category:Commas named after music theorists]] | |||
[[Category:Commas named after composers]] | |||
Latest revision as of 01:04, 16 November 2024
| Interval information |
Twethozogu comma
reduced
161/160, the major kirnbergerisma, is a small 23-limit superparticular comma about 10.79 cents in size. It forms the difference between 23/16 and 10/7.
Temperaments
Tempering out this comma in the 23-limit leads to the rank-8 major kirnbergerismic temperament. In the 2.5.7.23 subgroup, tempering it out leads to the rank-3 major kirnbergic temperament.
Major kirnbergerismic
Subgroup: full 23-limit
Comma list: 161/160
Mapping:
[⟨1 0 0 0 0 0 0 0 5],
⟨0 1 0 0 0 0 0 0 0],
⟨0 0 1 0 0 0 0 0 1],
⟨0 0 0 1 0 0 0 0 -1],
⟨0 0 0 0 1 0 0 0 0],
⟨0 0 0 0 0 1 0 0 0],
⟨0 0 0 0 0 0 1 0 0],
⟨0 0 0 0 0 0 0 1 0]]
- Mapping generators: ~2, ~3, ~5, ~7, ~11, ~13, ~17, ~19
Optimal tuning (POTE): ~2 = 1\1, ~3/2 = 700.5007, ~5/4 = 385.1726, ~7/4 = 964.8038, ~11/8 = 548.1438, ~13/8 = 837.1324, ~17/16 = 101.2050, ~19/16 = 293.6154
Major kirnbergic
Subgroup: 2.5.7.23
Comma list: 161/160
Mapping:
[⟨1 0 0 5],
⟨0 1 0 1],
⟨0 0 1 -1]]
- Mapping generators: ~2, ~5, ~7
Optimal tuning (POTE): ~2 = 1\1, ~5/4 = 385.1726, ~7/4 = 964.8038
Etymology
The name major kirnbergerisma is contrast to the minor kirnbergerisma, 162/161, measuring about 10.72¢, which is the difference between 23/18 and 9/7. 161/160 is larger than 162/161 by a 23-limit unnoticeable comma, 25921/25920. The word kirnbergerisma was introduced by Xenllium in 2023, for the following reason - 161/160 or 162/161 may be found in JI-approximated version of Kirnberger II as the difference between 1/2-comma-flattened fifth and pure fifth.
See also
- Small comma
- List of superparticular intervals
- 161/108 – a JI-approximated version of 1/2-comma-flattened fifth
- 161/120 – a JI-approximated version of 1/2-comma-sharpened fourth
- 216/161 – a JI-approximated version of 1/2-comma-sharpened fourth
- 240/161 – a JI-approximated version of 1/2-comma-flattened fifth