Interval Overview

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Interval Relative string length   Difference in cents Intervalstørrelse i Cent A-dur Frequency (A=440 Hz base) One octave below
.         Pure G streng   195,55
Same note (Unisone)         Tempered G-string   195,9977
Unison 1:1 1     A 440 220
Comma of Dydimusous 80 : 81 0,9877 22 22 A 445,5 222,75
Comma of Pythagoras 524288 : 531441 0,9865 24 24 G## 446,003 223,0015
Half tone              
Leadtone Pythagoreic 243 : 256 0,9492 -10 90 Bb 463,5391 231,7695
Semitone Tempered 0,9439 - 100 Bb / A# 466,1638 233,0819
Semotone: Harmonic 16/15 0,9375 11 111 A# 469,3333 234,6667
Semitone Pythagorian 2048 : 2187 0,9364 14 114 A# 469,8633 234,9316
Diminished triad: Pythagorian 59049 : 65536 0,901 -20 180 Cbb 488,3375 244,1687
Whole tone              
Smaller step minor tone 9 : 10 0,9 -18 182 B 488,8889 244,4444
Tempered half tone 0,8909 - 200 B 493,8833 246,9417
Greater step major tone tone 8 : 9 0,8889 4 204 B 495 247,5
Minor third              
Minor Third : Pythagorian 27 : 32 0,8438 -6 294 C 521,4815 260,7407
Minor third: Tempered 0,8409 - 300 C 523,2511 261,6256
Minor third: Natural 5 : 6 0,8333 16 316 C 528 264
Major Third              
Major third : Natural 4 : 5 0,8 -14 386 C# 550 275
Major third: Tempered 0,7937 - 400 C# 554,3653 277,1826
Major third : Pythagorian 64 : 81 0,7901 8 408 C# 556,875 278,4375
Fourth              
Perfect Forth. Natural 3 : 4 0,75 -2 498 D 586,6667 293,3333
Fourth: Temperered 0,7492 - 500 D 587,3295 293,6648
Tritone              
Diminished Fifth : Pythagorian 729 : 1024 0,7119 -17 583 Eb 618,0521 309,0261
Diminished Fifth : Natural 5 : 7 0,7143 -12 588 Eb 616 308
Tritone : tempered 0,7071 - 600 D#/Eb 622,254 311,127
Tritone : Pythagorian 512 : 729 0,7023 12 612 D# 626,4844 313,2422
Tritonus : Naturlig overstigende kvart 7 : 10 0,7 17 617 D# 628,5714 314,2857
Kvint              
Kvint: Tempered 0,6674 - 700 E 659,2551 329,6276
Kvint: Naturlig og Pythagorian 2 : 3 0,6667 2 702 E 660 330
Minor Sixth              
Minor Sixth : Pythagorian 81 : 128 0,6328 -8 792 F 695,3086 347,6543
Minor Sixth: Tempered 0,63 - 800 F 698,4565 349,2282
Minor Sixth : Harmonisk 5 : 8 0,625 14 814 F 704 352
Major Sixth              
Major Sixth : Harmonisk 3 : 5   -16 884 F# 733,3333 366,6667
Major Sixth : Tempered 0,5946 - 900 F# 739,9888 369,9944
Major Sixth : Pythagorian 16 : 27 0,5926 6 906 F# 742,5 371,25
Minor septim              
Minor septim : Naturtone 4 : 7 0,5714 -31 969 G 770 385
Minor septim: Harmonisk 5 : 9 0,5556 22 1022 G 792 396
Minor septim : Pythagorian 9 : 16 0,5625 -4 996 G 782,2222 391,1111
Minor Seventh : Tempered 0,5612 - 1000 G 783,9909 391,9954
Major Septim              
Harmonic Seventh 8 : 15 0,5333 -11 1089 G# 825 412,5
Major Seventh : Tempered 0,5297 - 1100 G# 830,6094 415,3047
Major Seventh :x Pythagorean 128 : 243 0,5267 10 1110 G# 835,3125 417,6562

kilde: Svensson, Sven E - Noreen, Erik: BONNIERS ILLUSTRERADE MUSIKLEXIKON , Stockholm 1946