Sensi: Difference between revisions

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'''Sensi''', 19 & 27, is a rank-2 temperament generated by a sharpened 9/7 such that two of them are equated to 5/3. Distinctly from other sensamagic temperaments, 3/2 is also found at 7 generators, or equivalently the octave is found at 125/63. It is most accurately extended to add prime 31 (by equating the generator with 31/24), but less accurately prime 13 is canonically added (by equating the generator with 13/10).
'''Sensi''', 2.3.5.7[{{e|19}} & {{e|27}}], is a rank-2 temperament generated by a sharpened 9/7 such that two of them are equated to 5/3. Distinctly from other sensamagic temperaments, 3/2 is also found at 7 generators, or equivalently the octave is found at 125/63. It is most accurately extended to add prime 31 (by equating the generator with 31/24), but less accurately prime 13 is canonically added (by equating the generator with 13/10).


== Interval chain ==
== Interval chain ==
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|}
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<nowiki/>* In 2.3.5.7.13 CWE tuning
<nowiki/>* In 2.3.5.7.13 CWE tuning
== Patent vals ==
The following patent vals support 2.3.5.7 Sensi. Vals contorted in the 7-limit are not included.
{| class="wikitable sortable"
!|Edo!!13 extension!!Generator!!3/2 tuning!!5/4 tuning!!7/4 tuning!!13/8 tuning
|-
||19||19 & 27||442.105||694.737||378.947||947.368||821.053
|-
||65||||443.077||701.538||387.692||960.000||849.231
|-
||46||19 & 27||443.478||704.348||391.304||965.217||834.783
|-
||73||19 & 27||443.836||706.849||394.521||969.863||838.356
|-
||27||19 & 27||444.444||711.111||400.000||977.778||844.444
|}
{{Navbox regtemp}}
{{Navbox regtemp}}
{{Cat|temperaments}}
{{Cat|temperaments}}

Latest revision as of 14:08, 14 April 2026

Sensi
Subgroups 2.3.5.7
Reduced mapping ⟨1; 7 9 13]
ET join 19 & 27
Generators (CWE) ~9/7 = 443.3¢
MOS scales 3L 2s, 3L 5s, 8L 3s, 8L 11s
Ploidacot beta-heptacot
Comma basis 126/125, 245/243 (7-limit)
Minimax error 7-odd-limit: 7.5¢
Target scale size 7-odd-limit: 19 notes

Sensi, 2.3.5.7[​19 & ​27], is a rank-2 temperament generated by a sharpened 9/7 such that two of them are equated to 5/3. Distinctly from other sensamagic temperaments, 3/2 is also found at 7 generators, or equivalently the octave is found at 125/63. It is most accurately extended to add prime 31 (by equating the generator with 31/24), but less accurately prime 13 is canonically added (by equating the generator with 13/10).

Interval chain

In the following table, odd harmonics and subharmonics 1–21 are in bold.

# Cents* Approximate ratios
0 0.0 1/1
1 443.4 9/7, 13/10
2 886.7 5/3, 42/25
3 130.1 13/12, 14/13, 15/14, 27/25
4 573.4 7/5, 18/13, 25/18
5 1016.8 9/5
6 260.1 7/6, 15/13
7 703.5 3/2
8 1146.9 27/14, 35/18
9 390.2 5/4
10 833.6 13/8, 21/13
11 76.9 21/20, 25/24
12 520.3 27/20
13 963.7 7/4
14 207.0 9/8
15 650.4 35/24
16 1093.7 15/8
17 337.1 39/32
18 780.4 25/16
19 23.8 49/48, 65/64, 81/80
20 467.2 21/16

* In 2.3.5.7.13 CWE tuning

Patent vals

The following patent vals support 2.3.5.7 Sensi. Vals contorted in the 7-limit are not included.

Edo 13 extension Generator 3/2 tuning 5/4 tuning 7/4 tuning 13/8 tuning
19 19 & 27 442.105 694.737 378.947 947.368 821.053
65 443.077 701.538 387.692 960.000 849.231
46 19 & 27 443.478 704.348 391.304 965.217 834.783
73 19 & 27 443.836 706.849 394.521 969.863 838.356
27 19 & 27 444.444 711.111 400.000 977.778 844.444


ViewTalkEditRegular temperaments
Rank-2
Acot Blackwood (1/5-octave) • Whitewood (1/7-octave) • Compton (1/12-octave)
Monocot MeantoneSchismicGentle-fifth temperamentsArchy
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 Mabilic (alpha-triseph) • Orgone (trimech) • Didacus (diseph)
No-octaves Sensamagic (monogem)
Exotemperaments DicotMavilaFather
Higher-rank
Rank-3 HemifamityMarvelParapyth