Interval size measure: Difference between revisions
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| [[43edo|43]] | | [[43edo|43]] | ||
| PRIME | | PRIME | ||
| Proposed by Joseph Sauveur, as 7 heptaméride units | | Proposed by [[Joseph Sauveur]], as 7 heptaméride units<ref>[http://tonalsoft.com/enc/m/meride.aspx Tonalsoft | ''Méride / 43-ed2 / 43-edo / 43-ET / 43-tone equal-temperament'']</ref> | ||
|- | |- | ||
| [[Holdrian comma]] | | [[Holdrian comma]] | ||
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| [[72edo|72]] | | [[72edo|72]] | ||
| 2<sup>3</sup> × 3<sup>2</sup> | | 2<sup>3</sup> × 3<sup>2</sup> | ||
| | | See dedicated page. | ||
|- | |- | ||
| [[Farab]] | | [[Farab]] | ||
| [[144edo|144]] | | [[144edo|144]] | ||
| 2<sup>4</sup> × 3<sup>2</sup> | | 2<sup>4</sup> × 3<sup>2</sup> | ||
| 1/12 of [[12edo]] semitone; Proposed by al-Farabi in 10th century | | 1/12 of [[12edo]] semitone; Proposed by al-Farabi in 10th century<ref>[http://tonalsoft.com/enc/f/farab.aspx Tonalsoft | ''Farab''].</ref> | ||
|- | |- | ||
| [[Mem]] | | [[Mem]] | ||
| [[205edo|205]] | | [[205edo|205]] | ||
| 5 × 41 | | 5 × 41 | ||
| Unit used by [http://musictheory.zentral.zone/huntsystem1.html H-Pi Instruments] | | Unit used by H-Pi Instruments<ref>[http://musictheory.zentral.zone/huntsystem1.html H-Pi Instruments | Hunt Theoretical System]</ref><ref>[http://tonalsoft.com/enc/m/mem.aspx Tonalsoft | ''Mem, 205-edo'']</ref> | ||
|- | |- | ||
| [[Tredek]] | | [[Tredek]] | ||
| [[270edo|270]] | | [[270edo|270]] | ||
| 2 × 3<sup>3</sup> × 5 | | 2 × 3<sup>3</sup> × 5 | ||
| | | Proposed by [[Joe Monzo]] (2013)<ref>[http://tonalsoft.com/enc/t/tredek.aspx Tonalsoft | ''Tredek, 270-edo'']</ref>. | ||
|- | |- | ||
| [[Savart]]* | | [[Savart]]* | ||
| [[300edo|300]] | | [[300edo|300]] | ||
| 2<sup>2</sup> × 3 × 5<sup>2</sup> | | 2<sup>2</sup> × 3 × 5<sup>2</sup> | ||
| Alexander Wood's definition of the Savart | | [[Alexander Wood]]'s definition of the Savart<ref>''[https://books.google.com.au/books?id=NWZ8CgAAQBAJ&lpg=PT50&vq=savart&pg=PT51 The Physics of Music]'', Alexander Wood, 1944.</ref>, compatible with [[12edo]] system | ||
|- | |- | ||
| [[Heptaméride]]/[[ | | [[Heptaméride]] / [[eptaméride]] / [[savart]]* | ||
| [[301edo|301]] | | [[301edo|301]] | ||
| 7 × 43 | | 7 × 43 | ||
| 301 ≃ 1,000 | | 301 ≃ 1,000 × log<sub>10</sub>2; 1/7 of Méride unit; proposed by Joseph Sauveur (1701), advocated by [[Félix Savart]]<ref>[http://tonalsoft.com/enc/h/heptameride.aspx Tonalsoft | ''Heptaméride'']</ref>. | ||
|- | |- | ||
| [[Gene]] | | [[Gene]] | ||
| [[311edo|311]] | | [[311edo|311]] | ||
| PRIME | | PRIME | ||
| | | Proposed by Joe Monzo (2007)<ref>[http://tonalsoft.com/enc/g/gene.aspx Tonalsoft | ''Gene, 311-edo'']</ref>. | ||
|- | |- | ||
| [[Dröbisch Angle]] | | [[Dröbisch Angle]] | ||
| [[360edo|360]] | | [[360edo|360]] | ||
| 2<sup>3</sup> × 3<sup>2</sup> × 5 | | 2<sup>3</sup> × 3<sup>2</sup> × 5 | ||
| | | Proposed as ''angle'' by [[Moritz Dröbisch]] in the 19th century, later by [[Andrew Pikler]] as the current name in ''Logarithmic Frequency Systems'' (1966). | ||
|- | |- | ||
| [[Squb]] | | [[Squb]] | ||
| [[494edo|494]] | | [[494edo|494]] | ||
| 2 × 13 × 19 | | 2 × 13 × 19 | ||
| | | {{Citation needed}} | ||
|- | |- | ||
| Great [[ | | Great [[iring]] / [[centitone]] | ||
| [[500edo|500]] | | [[500edo|500]] | ||
| 2<sup>2</sup> × 5<sup>3</sup> | | 2<sup>2</sup> × 5<sup>3</sup> | ||
| {{Citation needed}} | | {{Citation needed}} | ||
|- | |- | ||
| [[Iring]]/[[ | | [[Iring]] / [[centitone]] | ||
| [[600edo|600]] | | [[600edo|600]] | ||
| 2<sup>3</sup> × 3 × 5<sup>2</sup> | | 2<sup>3</sup> × 3 × 5<sup>2</sup> | ||
| [[Relative cent]] of [[6edo]] ([[12edo]] tone); Proposed by Widogast Iring (1898), later by Joseph Yasser as a "centitone" (1932) | | [[Relative cent]] of [[6edo]] ([[12edo]] tone); Proposed by [[Widogast Iring]] (1898), later by [[Joseph Yasser]] as a "centitone" (1932)<ref>[http://www.tonalsoft.com/enc/c/centitone.aspx Tonalsoft | ''Centitone, iring'']</ref>. | ||
|- | |- | ||
| [[Skisma]] | | [[Skisma]] | ||
| [[612edo|612]] | | [[612edo|612]] | ||
| 2<sup>2</sup> × 3<sup>2</sup> × 17 | | 2<sup>2</sup> × 3<sup>2</sup> × 17 | ||
| Edo representation of [[Sagittal notation|Sagittal]]'s Ultra (Herculean) precision level JI notation (58eda), where it is known as an "ultrina" | | Edo representation of [[Sagittal notation|Sagittal]]'s Ultra (Herculean) precision level JI notation (58eda), where it is known as an "ultrina"<ref>[http://tonalsoft.com/enc/s/sk.aspx Tonalsoft | ''Sk, 612-edo'']</ref>. | ||
|- | |- | ||
| [[Delfi]] | | [[Delfi]] | ||
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| | | | ||
|- | |- | ||
| Small [[ | | Small [[iring]] / [[centitone]] | ||
| [[700edo|700]] | | [[700edo|700]] | ||
| 2<sup>2</sup> × 5<sup>2</sup> x 7 | | 2<sup>2</sup> × 5<sup>2</sup> x 7 | ||
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| [[730edo|730]] | | [[730edo|730]] | ||
| 2 × 5 × 73 | | 2 × 5 × 73 | ||
| Proposed by Wesley S.B. Woolhouse | | Proposed by [[Wesley S.B. Woolhouse]] (1835)<ref>[https://archive.org/details/essayonmusicali00woolgoog/page/n34/mode/2up ''Essay on musical intervals, harmonics, and the temperament of the musical scale, &c'']</ref> | ||
|- | |- | ||
| [[millioctave]] (moct) | | [[millioctave]] (moct) | ||
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| [[Wikipedia: Metric prefix|SI-prefix]] division of octave | | [[Wikipedia: Metric prefix|SI-prefix]] division of octave | ||
|- | |- | ||
| [[ | | [[Cent]] (¢) | ||
| 1200 | | 1200 | ||
| 2<sup>4</sup> × 3 × 5<sup>2</sup> | | 2<sup>4</sup> × 3 × 5<sup>2</sup> | ||
| | | See the dedicated page. | ||
|- | |- | ||
| | | Greater muon | ||
| [[1224edo|1224]] | | [[1224edo|1224]] | ||
| 2<sup>3</sup> × 3<sup>2</sup> × 17 | | 2<sup>3</sup> × 3<sup>2</sup> × 17 | ||
| {{Citation needed}} | | {{Citation needed}} | ||
|- | |- | ||
| | | Triangular cent | ||
| [[1260edo|1260]] | | [[1260edo|1260]] | ||
| 2<sup>2</sup> × 3<sup>2</sup> × 5 × 7 | | 2<sup>2</sup> × 3<sup>2</sup> × 5 × 7 | ||
| {{Citation needed}} | | {{Citation needed}} | ||
|- | |- | ||
| | | [[Pion]] | ||
| [[1272edo|1272]] | | [[1272edo|1272]] | ||
| 2<sup>3</sup> × 3 × 53 | | 2<sup>3</sup> × 3 × 53 | ||
| {{Citation needed}} | | {{Citation needed}} | ||
|- | |- | ||
| | | Pound | ||
| [[1344edo|1344]] | | [[1344edo|1344]] | ||
| 2<sup>6</sup> × 3 × 7 | | 2<sup>6</sup> × 3 × 7 | ||
| {{Citation needed}} | | {{Citation needed}} | ||
|- | |- | ||
| | | Neutron | ||
| [[1392edo|1392]] | | [[1392edo|1392]] | ||
| 2<sup>4</sup> × 3 × 29 | | 2<sup>4</sup> × 3 × 29 | ||
| {{Citation needed}} | | {{Citation needed}} | ||
|- | |- | ||
| | | Lesser muon | ||
| [[1428edo|1428]] | | [[1428edo|1428]] | ||
| 2<sup>2</sup> × 3 × 7 × 17 | | 2<sup>2</sup> × 3 × 7 × 17 | ||
| {{Citation needed}} | | {{Citation needed}} | ||
|- | |- | ||
| | | Decifarab | ||
| [[1440edo|1440]] | | [[1440edo|1440]] | ||
| 2<sup>5</sup> × 3<sup>2</sup> × 5 | | 2<sup>5</sup> × 3<sup>2</sup> × 5 | ||
| 1/10 of [[Farab]] unit{{Citation needed}} | | 1/10 of [[Farab]] unit{{Citation needed}} | ||
|- | |- | ||
| | | Quadratic cent | ||
| [[1452edo|1452]] | | [[1452edo|1452]] | ||
| 2<sup>2</sup> × 3 × 11<sup>2</sup> | | 2<sup>2</sup> × 3 × 11<sup>2</sup> | ||
| {{Citation needed}} | | {{Citation needed}} | ||
|- | |- | ||
| | | Ksion | ||
| [[1476edo|1476]] | | [[1476edo|1476]] | ||
| 2<sup>2</sup> × 3<sup>2</sup> × 41 | | 2<sup>2</sup> × 3<sup>2</sup> × 41 | ||
| {{Citation needed}} | | {{Citation needed}} | ||
|- | |- | ||
| | | Cubic cent | ||
| [[1500edo|1500]] | | [[1500edo|1500]] | ||
| 2<sup>2</sup> × 3 × 5<sup>3</sup> | | 2<sup>2</sup> × 3 × 5<sup>3</sup> | ||
| {{Citation needed}} | | {{Citation needed}} | ||
|- | |- | ||
| | | [[7mu]] or [[Heptamu]] | ||
| [[1536edo|1536]] | | [[1536edo|1536]] | ||
| 2<sup>9</sup> × 3 | | 2<sup>9</sup> × 3 | ||
| | | Seventh MIDI-resolution unit, 1/128 (1/(2<sup>7</sup>)) of [[12edo]] semitone<ref>[http://tonalsoft.com/enc/number/7mu.aspx Tonalsoft | ''7mu / heptamu'']</ref> | ||
|- | |- | ||
| | | Rhoon | ||
| [[1560edo|1560]] | | [[1560edo|1560]] | ||
| 2<sup>3</sup> × 3 × 5 × 13 | | 2<sup>3</sup> × 3 × 5 × 13 | ||
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| From Sanskrit ''śatam'': hundred; [[Relative cent]] of Armodue 16edo Theory{{Citation needed}} | | From Sanskrit ''śatam'': hundred; [[Relative cent]] of Armodue 16edo Theory{{Citation needed}} | ||
|- | |- | ||
| | | Tile | ||
| [[1632edo|1632]] | | [[1632edo|1632]] | ||
| 2<sup>5</sup> × 3 × 17 | | 2<sup>5</sup> × 3 × 17 | ||
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| [[1\1700_octave|1700]] | | [[1\1700_octave|1700]] | ||
| 2<sup>2</sup> × 5<sup>2</sup> × 17 | | 2<sup>2</sup> × 5<sup>2</sup> × 17 | ||
| [[Relative cent]] of [[17edo]]; proposed by [[Margo Schulter]] ( | | [[Relative cent]] of [[17edo]]; proposed by [[Margo Schulter]] (2002) and [[George Secor]] | ||
|- | |- | ||
| [[Harmos]] | | [[Harmos]] | ||
| [[1728edo|1728]] | | [[1728edo|1728]] | ||
| 2<sup>6</sup> × 3<sup>3</sup> | | 2<sup>6</sup> × 3<sup>3</sup> | ||
| 1728 = 12<sup>3</sup>; 1/144 of [[12edo]] semitone; Proposed by Paul Beaver | | 1728 = 12<sup>3</sup>; 1/144 of [[12edo]] semitone; Proposed by [[Paul Beaver]]<ref>[http://tonalsoft.com/enc/e/equal-temperament.aspx Tonalsoft | ''Equal temperaments'']</ref> | ||
|- | |- | ||
| Hind śat / Indian cent | | Hind śat / Indian cent | ||
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| [[2460edo|2460]] | | [[2460edo|2460]] | ||
| 2<sup>2</sup> × 3 × 5 × 41 | | 2<sup>2</sup> × 3 × 5 × 41 | ||
| Abbreviation of "schismina", edo representation of [[Sagittal notation|Sagittal]]'s Extreme (Olympian) precision level JI notation (233eda) | | Abbreviation of "schismina", edo representation of [[Sagittal notation|Sagittal]]'s Extreme (Olympian) precision level JI notation (233eda)<ref>[http://tonalsoft.com/enc/m/mina.aspx Tonalsoft | ''Mina'']</ref> | ||
|- | |- | ||
| Centidiesis | | Centidiesis | ||
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| [[8539edo|8539]] | | [[8539edo|8539]] | ||
| PRIME | | PRIME | ||
| Provides good approximations for 41-limit primes except 37 | | Provides good approximations for 41-limit primes except 37; named by [[Dave Keenan]] and [[George Secor]]; edo representation of [[Sagittal notation|Sagittal]]'s Insane (Magrathean) precision level JI notation (809eda)<ref>[http://tonalsoft.com/enc/t/tina.aspx Tonalsoft | ''Tina'']</ref>. | ||
|- | |- | ||
| [[Purdal]] | | [[Purdal]] | ||
| [[9900edo|9900]] | | [[9900edo|9900]] | ||
| 2<sup>2</sup> × 3<sup>2</sup> × 5<sup>2</sup> × 11 | | 2<sup>2</sup> × 3<sup>2</sup> × 5<sup>2</sup> × 11 | ||
| [[Relative cent]] of [[99edo]]; Suggested by [[Osmiorisbendi]], advocated by [[Tútim Dennsuul Wafiil]] | | [[Relative cent]] of [[99edo]]; Suggested by [[Osmiorisbendi]], advocated by [[Tútim Dennsuul Wafiil]]. | ||
|- | |- | ||
| [[Türk sent]] / [[Turkish cent]] | | [[Türk sent]] / [[Turkish cent]] | ||
| [[10600edo|10600]] | | [[10600edo|10600]] | ||
| 2<sup>3</sup> × 5<sup>2</sup> × 53 | | 2<sup>3</sup> × 5<sup>2</sup> × 53 | ||
| [[Relative cent]] of [[106edo]], 1/200 of [[53edo]]; invented by [http://www.tonalsoft.com/enc/t/turk-sent.aspx | | [[Relative cent]] of [[106edo]], 1/200 of [[53edo]]; invented by [[M. Ekrem Karadeniz]] (1965), influenced by [[Abdülkadir Töre]]<ref>[http://www.tonalsoft.com/enc/t/turk-sent.aspx Tonalsoft | ''Türk-sent'']</ref><ref>''79-Tone Tuning & Theory for Turkish Maqam Music'', Ozan Yarman. </ref> | ||
|- | |- | ||
| [[Prima]] | | [[Prima]] | ||
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| [[16808edo|16808]] | | [[16808edo|16808]] | ||
| 2<sup>3</sup> × 11 × 191 | | 2<sup>3</sup> × 11 × 191 | ||
| | | See the dedicated page. | ||
|- | |- | ||
| [[Jot]] | | [[Jot]] | ||
| [[30103edo|30103]] | | [[30103edo|30103]] | ||
| PRIME | | PRIME | ||
| 30103 ≃ 100,000 | | 30103 ≃ 100,000 × log<sub>10</sub>2; Proposed by [[Augustus de Morgan]] (1864)<ref>[http://www.tonalsoft.com/enc/j/jot.aspx Tonalsoft | ''Jot'']</ref> | ||
|- | |- | ||
| [[Imp]] | | [[Imp]] | ||
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| [[46032edo|46032]] | | [[46032edo|46032]] | ||
| 2<sup>4</sup> × 3 × 7 × 137 | | 2<sup>4</sup> × 3 × 7 × 137 | ||
| | | Proposed by [[Gene Ward Smith]] (2005)<ref>[http://tonalsoft.com/enc/f/flu.aspx Tonalsoft | ''Flu'']</ref> | ||
|- | |- | ||
| [[MIDI Tuning Standard unit]] | | [[MIDI Tuning Standard unit]] (14mu) | ||
| [[196608edo|196608]] | | [[196608edo|196608]] | ||
| 2<sup>16</sup> × 3 | | 2<sup>16</sup> × 3 | ||
| | | Fourteenth MIDI-resolution unit, 1/16384 (1/(2<sup>14</sup>)) of [[12edo]] semitone | ||
|- | |- | ||
| [[Mean free path]] | | [[Mean free path]] | ||
| ~216,608,494 | | ~216,608,494 | ||
| | | 2 × 41 × 2641567 | ||
| | | | ||
|} | |} | ||