Hemifamity: Difference between revisions

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== Supporting edos ==
== Supporting edos ==
=== Comma resolution ===
=== Comma resolution ===
[[41edo]], [[46edo]], [[48edo]], [[53edo]], [[58edo]]
The following edos map both 81/80 and 64/63 to one edostep: [[41edo]], [[46edo]], [[48edo]], [[53edo]], [[58edo]].
 
=== Half-comma resolution ===
=== Half-comma resolution ===
[[87edo]], [[94edo]], [[99edo]], [[111edo]]
The following edos map both 81/80 and 64/63 to two edosteps: [[87edo]], [[94edo]], [[99edo]], [[111edo]].
=== Third-comma resolution ===
=== Third-comma resolution ===
[[128edo]], [[133edo]], [[135edo]], [[140edo]], [[145edo]], [[147edo]], [[152edo]], [[157edo]]
The following edos map both 81/80 and 64/63 to three edosteps: [[128edo]], [[133edo]], [[135edo]], [[140edo]], [[145edo]], [[147edo]], [[152edo]], [[157edo]].
 
== Supporting rank-2 temperaments ==
== Supporting rank-2 temperaments ==
* 2.3.5.7[41 & 46]: [[Rodan]]
* 2.3.5.7[41 & 46]: [[Rodan]]

Revision as of 22:21, 3 April 2026

Hemifamity or Aberschismic, 2.3.5.7[41 & 46 & 53], is a 7-limit rank-3 temperament that tempers out 5120/5103 (known as the hemifamiton or the aberschisma), which manifests in several different ways:

  1. equates the 3-spine prime commas for 5 and 7, 81/80 and 64/63
  2. equates the limma 256/243 with 21/20
  3. equates the apotome 2187/2048 with 15/14
  4. equates the Pythagorean augmented fourth 729/512 with 10/7
  5. splits 36/35 into two equal parts each representing the "comma" 81/80 ~ 64/63

Structural theory

Aberschismic may be notated with diatonic notation and a comma symbol representing 81/80 ~ 64/63.

Supporting edos

Comma resolution

The following edos map both 81/80 and 64/63 to one edostep: 41edo, 46edo, 48edo, 53edo, 58edo.

Half-comma resolution

The following edos map both 81/80 and 64/63 to two edosteps: 87edo, 94edo, 99edo, 111edo.

Third-comma resolution

The following edos map both 81/80 and 64/63 to three edosteps: 128edo, 133edo, 135edo, 140edo, 145edo, 147edo, 152edo, 157edo.

Supporting rank-2 temperaments

Extensions

  • Prime 11 may be added by tempering out either 385/384 (thus equating 36/35 with 33/32; this is called Akea) or 896/891 (thus equating 81/64 with 14/11; this is called Pele).
  • Prime 13 may be added by tempering out 4096/4095 (which is the square-superparticular S64); this is the most efficient extension that adds prime 13 and is supported by edos as big as 140edo.

List of patent vals

Main article: Hemifamity/Patent vals


ViewTalkEditRegular temperaments
Rank-2
Acot Blackwood (1/5-octave) • Whitewood (1/7-octave) • Compton (1/12-octave)
Monocot MeantoneSchismicLeapdayArchy
Complexity 2 Diaschismic (diploid monocot) • Pajara (diploid monocot) • Injera (diploid monocot) • Rastmatic (dicot) • Mohajira (dicot) • Intertridecimal (dicot) • Interseptimal (alpha-dicot)
Complexity 3 Augmented (triploid) • Misty (triploid) • Slendric (tricot) • Porcupine (omega-tricot)
Complexity 4 Diminished (tetraploid) • Tetracot (tetracot) • Buzzard (alpha-tetracot) • Squares (beta-tetracot) • Negri (omega-tetracot)
Complexity 5-6 Magic (alpha-pentacot) • Amity (gamma-pentacot) • Kleismic (alpha-hexacot) • Miracle (hexacot)
Higher complexity Orwell (alpha-heptacot) • Sensi (beta-heptacot) • Octacot (octacot) • Wurschmidt (beta-octacot) • Valentine (enneacot) • Ammonite (epsilon-enneacot) • Myna (beta-decacot) • Ennealimmal (enneaploid dicot)
Straddle-3 A-Team (alter-tricot) • Machine (alter-monocot)
No-3 Trismegistus (alpha-triseph) • Orgone (trimech) • Didacus (diseph)
No-octaves Sensamagic (monogem)
Exotemperament DicotMavilaFather
Higher-rank
Rank-3 HemifamityMarvelParapyth