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==== Octave-based fine measures ==== | ==== Octave-based fine measures ==== | ||
The following table demonstrates a list of measures derived from the logarithmic division of the octave | The following table demonstrates a list of measures derived from the logarithmic division of the octave: | ||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
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| [[16edo|16]] | | [[16edo|16]] | ||
| 2<sup>4</sup> | | 2<sup>4</sup> | ||
| From Sanskrit ''eka'': one, unit; chromatic unit of Armodue 16edo Theory | | From Sanskrit ''eka'': one, unit; chromatic unit of Armodue 16edo Theory{{Citation needed}}. | ||
|- | |- | ||
| [[Normal diesis]] | | [[Normal diesis]] | ||
| [[31edo|31]] | | [[31edo|31]] | ||
| PRIME | | PRIME | ||
| | | See the dedicated page. | ||
|- | |- | ||
| [[Méride]] | | [[Méride]] | ||
| [[43edo|43]] | | [[43edo|43]] | ||
| PRIME | | PRIME | ||
| 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> | | Proposed by [[Joseph Sauveur]], as 7 heptaméride units<ref name="measure">[http://www.huygens-fokker.org/docs/measures.html Stichting Huygens-Fokker: Logarithmic Interval Measures]</ref><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]] | ||
| [[53edo|53]] | | [[53edo|53]] | ||
| PRIME | | PRIME | ||
| | | <ref name="measure"/> | ||
|- | |- | ||
| [[Morion]] | | [[Morion]] | ||
| Line 51: | Line 51: | ||
| [[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<ref>[http://tonalsoft.com/enc/f/farab.aspx Tonalsoft | ''Farab''].</ref> | | 1/12 of [[12edo]] semitone; Proposed by [[al-Farabi]] in 10th century<ref name="measure"/><ref>[http://tonalsoft.com/enc/f/farab.aspx Tonalsoft | ''Farab''].</ref>. | ||
|- | |- | ||
| [[Mem]] | | [[Mem]] | ||
| [[205edo|205]] | | [[205edo|205]] | ||
| 5 × 41 | | 5 × 41 | ||
| 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> | | Unit used by H-Pi Instruments<ref name="measure"/><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]] | ||
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| [[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<ref>''[https://books.google.com.au/books?id=NWZ8CgAAQBAJ&lpg=PT50&vq=savart&pg=PT51 The Physics of Music]'', Alexander Wood, 1944.</ref>, | | [[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>, containing [[12edo]]. | ||
|- | |- | ||
| [[Heptaméride]] / [[eptaméride]] / [[savart]]* | | [[Heptaméride]] / [[eptaméride]] / [[savart]]* | ||
| [[301edo|301]] | | [[301edo|301]] | ||
| 7 × 43 | | 7 × 43 | ||
| 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>. | | 301 ≃ 1,000 × log<sub>10</sub>2; 1/7 of Méride unit; proposed by Joseph Sauveur (1701), advocated by [[Félix Savart]]<ref name="measure"/><ref>[http://tonalsoft.com/enc/h/heptameride.aspx Tonalsoft | ''Heptaméride'']</ref>. | ||
|- | |- | ||
| [[Gene]] | | [[Gene]] | ||
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| [[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). | | Proposed as ''angle'' by [[Moritz Dröbisch]] in the 19th century, later by [[Andrew Pikler]] as the current name in ''Logarithmic Frequency Systems'' (1966)<ref name="measure"/>. | ||
|- | |- | ||
| [[Squb]] | | [[Squb]] | ||
| Line 96: | Line 96: | ||
| [[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)<ref>[http://www.tonalsoft.com/enc/c/centitone.aspx Tonalsoft | ''Centitone, iring'']</ref>. | | [[Relative cent]] of [[6edo]] ([[12edo]] tone); Proposed by [[Widogast Iring]] (1898), later by [[Joseph Yasser]] as a "centitone" (1932)<ref name="measure"/><ref>[http://www.tonalsoft.com/enc/c/centitone.aspx Tonalsoft | ''Centitone, iring'']</ref>. | ||
|- | |- | ||
| [[Skisma]] | | [[Skisma]] (Sk) | ||
| [[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"<ref>[http://tonalsoft.com/enc/s/sk.aspx Tonalsoft | ''Sk, 612-edo'']</ref>. | | Edo representation of [[Sagittal notation|Sagittal]]'s Ultra (Herculean) precision level JI notation (58eda), where it is known as an "ultrina"<ref name="measure"/><ref>[http://tonalsoft.com/enc/s/sk.aspx Tonalsoft | ''Sk, 612-edo'']</ref>. | ||
|- | |- | ||
| [[Delfi]] | | [[Delfi]] | ||
| [[665edo|665]] | | [[665edo|665]] | ||
| 5 × 7 × 19 | | 5 × 7 × 19 | ||
| | | <ref name="measure"/> | ||
|- | |- | ||
| Small [[iring]] / [[centitone]] | | Small [[iring]] / [[centitone]] | ||
| Line 116: | Line 116: | ||
| [[730edo|730]] | | [[730edo|730]] | ||
| 2 × 5 × 73 | | 2 × 5 × 73 | ||
| 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> | | 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''], Wesley S.B. Woolhouse. </ref>. | ||
|- | |- | ||
| [[ | | [[Millioctave]] (moct) | ||
| [[1000edo|1000]] | | [[1000edo|1000]] | ||
| 2<sup>3</sup> × 5<sup>3</sup> | | 2<sup>3</sup> × 5<sup>3</sup> | ||
| | | See the dedicated page. | ||
|- | |- | ||
| [[Cent]] (¢) | | [[Cent]] (¢) | ||
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| [[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 | | 1/10 of [[Farab]] unit<ref name="measure"/>. | ||
|- | |- | ||
| Quadratic cent | | Quadratic cent | ||
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| {{Citation needed}} | | {{Citation needed}} | ||
|- | |- | ||
| | | [[Heptamu]] (7mu) | ||
| [[1536edo|1536]] | | [[1536edo|1536]] | ||
| 2<sup>9</sup> × 3 | | 2<sup>9</sup> × 3 | ||
| Line 201: | Line 201: | ||
| [[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]] (2002) and [[George Secor]] | | [[Relative cent]] of [[17edo]]; proposed by [[Margo Schulter]] (2002) and [[George Secor]]<ref name="measure"/>. | ||
|- | |- | ||
| [[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]]<ref>[http://tonalsoft.com/enc/e/equal-temperament.aspx Tonalsoft | ''Equal temperaments'']</ref> | | 1728 = 12<sup>3</sup>; 1/144 of [[12edo]] semitone; Proposed by [[Paul Beaver]]<ref name="measure"/><ref name="equal">[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)<ref>[http://tonalsoft.com/enc/m/mina.aspx Tonalsoft | ''Mina'']</ref> | | Abbreviation of "schismina", edo representation of [[Sagittal notation|Sagittal]]'s Extreme (Olympian) precision level JI notation (233eda)<ref name="measure"/><ref>[http://tonalsoft.com/enc/m/mina.aspx Tonalsoft | ''Mina'']</ref>. | ||
|- | |- | ||
| Centidiesis | | Centidiesis | ||
| Line 231: | Line 231: | ||
| [[8539edo|8539]] | | [[8539edo|8539]] | ||
| PRIME | | PRIME | ||
| 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>. | | 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 name="measure"/><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]]. See the dedicated page. | ||
|- | |- | ||
| [[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 [[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> | | [[Relative cent]] of [[106edo]], 1/200 of [[53edo]]; invented by [[M. Ekrem Karadeniz]] (1965), influenced by [[Abdülkadir Töre]]<ref name="measure"/><ref>[http://www.tonalsoft.com/enc/t/turk-sent.aspx Tonalsoft | ''Türk-sent'']</ref><ref>[http://www.ozanyarman.com/files/doctorate_thesis.pdf ''79-Tone Tuning & Theory for Turkish Maqam Music''], Ozan Yarman. </ref>. | ||
|- | |- | ||
| [[Prima]] | | [[Prima]] | ||
| [[12276edo|12276]] | | [[12276edo|12276]] | ||
| 2<sup>2</sup> × 3<sup>2</sup> × 11 × 31 | | 2<sup>2</sup> × 3<sup>2</sup> × 11 × 31 | ||
| | | Proposed by [[Erv Wilson]], [[Gene Ward Smith]] and [[Gavin Putland]]<ref name="measure"/>. | ||
|- | |- | ||
| [[Jinn]] | | [[Jinn]] | ||
| Line 256: | Line 256: | ||
| [[30103edo|30103]] | | [[30103edo|30103]] | ||
| PRIME | | PRIME | ||
| 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> | | 30103 ≃ 100,000 × log<sub>10</sub>2; Proposed by [[Augustus de Morgan]] (1864)<ref name="measure"/><ref>[http://www.tonalsoft.com/enc/j/jot.aspx Tonalsoft | ''Jot'']</ref><ref name="equal"/>. | ||
|- | |- | ||
| [[Imp]] | | [[Imp]] | ||
| [[31920edo|31920]] | | [[31920edo|31920]] | ||
| 2<sup>4</sup> × 3 × 5 × 7 × 19 | | 2<sup>4</sup> × 3 × 5 × 7 × 19 | ||
| | | <ref name="measure"/> | ||
|- | |- | ||
| [[Flu]] | | [[Flu]] | ||
| [[46032edo|46032]] | | [[46032edo|46032]] | ||
| 2<sup>4</sup> × 3 × 7 × 137 | | 2<sup>4</sup> × 3 × 7 × 137 | ||
| Proposed by | | Proposed by Gene Ward Smith (2005)<ref name="measure"/><ref>[http://tonalsoft.com/enc/f/flu.aspx Tonalsoft | ''Flu'']</ref>. | ||
|- | |- | ||
| [[MIDI Tuning Standard unit]] (14mu) | | [[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 | | Fourteenth MIDI-resolution unit, 1/16384 (1/(2<sup>14</sup>)) of [[12edo]] semitone<ref name="measure"/>. | ||
|- | |- | ||
| [[Mean free path]] | | [[Mean free path]] | ||