25:30:36:45: Difference between revisions

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{{Infobox Chord}}
{{Infobox Chord|ColorName=gu-7 gugu-5 or g7(gg5)}}
 
'''25:30:36:45''' is a [[half-diminished seventh chord]] found on iii<sup>ø7</sup> ({{Frac|5|4}}) and vi<sup>ø7</sup> ({{Frac|5|3}}) in the [[duodene]].


[[Category:Half-diminished seventh chords|##]]
[[Category:Half-diminished seventh chords|##]]


{{stub}}
{{chord edo approximation}}

Latest revision as of 04:54, 26 May 2026

Chord information
Harmonics 25:30:36:45
Subharmonics 1/(36:30:25:20)
Intervals from root 1/16/536/259/5
Cents from root 316¢631¢1018¢
Step intervals 6/5, 6/5, 5/4
Step cents 316¢, 316¢, 386¢
Color name gu-7 gugu-5 or g7(gg5)
Prime limit 5
Genus 3252 (225)
Intervallic odd limit 25
Otonal odd limit 45
Utonal odd limit 25
Consistent edos (d ≥ 2) 19edo**, 34edo*, 38edo*, 46edo*, …

25:30:36:45 is a half-diminished seventh chord found on iiiø7 (54) and viø7 (53) in the duodene.


Edo approximations for 25:30:36:45 
intervals: 6/5, 36/25, 9/5 · ≤ 60edo, RMS rel. error ≤ 15%
  Edo Steps Cents (¢) Absolute errors (¢) RMS (¢) RMS (%)
7 0  2  4  6 0.00 342.86 685.71 1028.57 0.00 +27.22 +54.43 +10.98 20.49 11.95
12 0  3  6 10 0.00 300.00 600.00 1000.00 0.00 -15.64 -31.28 -17.60 11.09 11.09
15 0  4  8 13 0.00 320.00 640.00 1040.00 0.00  +4.36  +8.72 +22.40 8.40 10.50
19 0  5 10 16 0.00 315.79 631.58 1010.53 0.00  +0.15  +0.30  -7.07 3.13 4.95
26 0  7 14 22 0.00 323.08 646.15 1015.38 0.00  +7.44 +14.87  -2.21 6.72 14.55
27 0  7 14 23 0.00 311.11 622.22 1022.22 0.00  -4.53  -9.06  +4.63 5.10 11.47
31 0  8 16 26 0.00 309.68 619.35 1006.45 0.00  -5.96 -11.93 -11.14 4.78 12.34
34 0  9 18 29 0.00 317.65 635.29 1023.53 0.00  +2.01  +4.01  +5.93 2.21 6.27
38 0 10 20 32 0.00 315.79 631.58 1010.53 0.00  +0.15  +0.30  -7.07 3.13 9.90
46 0 12 24 39 0.00 313.04 626.09 1017.39 0.00  -2.60  -5.20  -0.20 2.11 8.08
53 0 14 28 45 0.00 316.98 633.96 1018.87 0.00  +1.34  +2.68  +1.27 0.95 4.19
57 0 15 30 48 0.00 315.79 631.58 1010.53 0.00  +0.15  +0.30  -7.07 3.13 14.85