Cents Table for ¼ Syntonic Comma Mean-Tone
| C# | Eb | F# | G# | Bb |
| 75.5 | 310.5 | 579 | 772 | 1007 |
| 0 | 193 | 386 | 503.5 | 696.5 | 889.5 | 1082.5 | 1200 |
| C | D | E | F | G | A | B | C |
Size of 3rds
(Pure 3rd = 386 cents)
CE,DF#,EbG,EG#,FA,GB,AC#,BbD = 386 cents
(Pythagorean 3rds = 408 cents)
C#F,F#Bb,G#C,BEb = 428 cents
Beats per second and frequencys for ¼ Comma Mean-Tone
at A=440 hz
| These are approximate. | F4 | 351.999 | |||||||
| Lower Note | 3rd above | 4th above | 5th above | You may get different | E4 | 328.977 | |||
| Eb4 | numbers on your calculator. | Eb4 | 314.8372 | ||||||
| D4 | D4 | 294.2456 | |||||||
| C#4 | C#4 | 275.0006 | |||||||
| C4 | 0 | middle C >>>>>> | C4 | 263.1809 | |||||
| B3 | 3.0602 | B3 | 245.9677 | ||||||
| Bb3 | The difference will | Bb3 | 235.3958 | ||||||
| A3 | 2.7368 | 2.046 | usually be somewhere in | A3 | 220 | ||||
| G#3/Ab3 | the decimal and will not | G#3/Ab3 | 205.611 | ||||||
| G3 | 0 | 2.4479 | 1.8299 | effect figuring out beats | G3 | 196.7737 | |||
| F#3 | per second since these | F#3 | 183.9039 | ||||||
| F3 | 0 | 2.1894 | 1.6367 | are rounded off anyway. | F3 | 175.9995 |
F ¼ C ¼ G ¼ D ¼ A ¼ E ¼ B ¼ F# ¼ C# ¼ G# * Eb ¼ Bb ¼ F
*Wolf interval between G# and Eb.
The wolf will move depending on how accidentals are tuned.
I welcome any comments or suggestions, email me at psloffer@indiana.edu
Copyright © Phil Sloffer
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