Dreyblatt tuning system: Difference between revisions
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from [[Arnold Dreyblatt]]: ''Tuning Systems Explanation'', http://www.dreyblatt.net/general-information-music#/tuning-system/ | |||
The ''Dreyblatt Tuning System'' is calculated from the third, fifth, seventh, ninth and eleventh [[harmonic]]s and their multiples in the following pattern: | |||
{| class="wikitable" | |||
|- | |||
| | 1 | |||
| | 3 | |||
| | 5 | |||
| | 7 | |||
| | 9 | |||
| | 11 | |||
|- | |||
| | 3 | |||
| | 9 | |||
| | 15 | |||
| | 21 | |||
| | 27 | |||
| | 33 | |||
|- | |||
| | 5 | |||
| | 15 | |||
| | 25 | |||
| | 35 | |||
| | 45 | |||
| | 55 | |||
|- | |||
| | 7 | |||
| | 21 | |||
| | 35 | |||
| | 49 | |||
| | 63 | |||
| | 77 | |||
|- | |||
| | 9 | |||
| | 27 | |||
| | 45 | |||
| | 63 | |||
| | 81 | |||
| | 99 | |||
|- | |||
| | 11 | |||
| | 33 | |||
| | 55 | |||
| | 77 | |||
| | 99 | |||
| | 121 | |||
|} | |||
These mathematically related harmonics are heard as tonal relationships when they are transposed and sounded above a fundamental tone. In this process of transposition from their position in the natural harmonic series, these tones fall (unequally) in the span of one [[octave]] in the following order: | |||
1, 33, 35, 9, 77, 5, 81, 21, [11,] 45, 3, 49, 99, 25, 27, 55, 7, 15, 121, 63, (2) | |||
1 | |||
33 | These tones are performed in "[[just intonation]]' based on a fundamental tone of "F". | ||
35 | |||
9 | {| class="wikitable" | ||
77 | |- | ||
5 | | | Note | ||
81 | | | Freq. | ||
21 | | | Partial | ||
11 | | | Cents | ||
45 | |- | ||
3 | | | F | ||
49 | | | 349.2 | ||
99 | | | 1 | ||
25 | | | 0 | ||
27 | |- | ||
55 | | | F# | ||
7 | | | 360.11 | ||
15 | | | 33 | ||
121 | | | -47 | ||
63 | |- | ||
2 | | | G | ||
| | 381.93 | |||
| | 35 | |||
| | -45 | |||
|- | |||
| | G# | |||
| | 392.85 | |||
| | 9 | |||
| | +4 | |||
|- | |||
| | G# | |||
| | 420.13 | |||
| | 77 | |||
| | +20 | |||
|- | |||
| | A | |||
| | 436.5 | |||
| | 5 | |||
| | -14 | |||
|- | |||
| | A | |||
| | 441.95 | |||
| | 81 | |||
| | +8 | |||
21 | |- | ||
11 | | | A# | ||
45 | | | 458.32 | ||
3 | | | 21 | ||
49 | | | -29 | ||
99 | |- | ||
25 | | | B | ||
27 | | | 480.15 | ||
55 | | | 11 | ||
7 | | | -49 | ||
15 | |- | ||
121 | | | B | ||
63 | | | 491.06 | ||
| | 45 | |||
| | -10 | |||
|- | |||
| | C | |||
| | 523.8 | |||
| | 3 | |||
| | +2 | |||
|- | |||
| | C | |||
| | 534.71 | |||
| | 49 | |||
| | +38 | |||
|- | |||
| | C# | |||
| | 540.16 | |||
| | 99 | |||
| | -45 | |||
|- | |||
| | C# | |||
| | 545.62 | |||
| | 25 | |||
| | -28 | |||
|- | |||
| | D | |||
| | 589.27 | |||
| | 27 | |||
| | +6 | |||
|- | |||
| | D | |||
| | 600.18 | |||
| | 55 | |||
| | +37 | |||
|- | |||
| | D# | |||
| | 611.1 | |||
| | 7 | |||
| | -31 | |||
|- | |||
| | E | |||
| | 654.75 | |||
| | 15 | |||
| | -12 | |||
|- | |||
| | E | |||
| | 660.20 | |||
| | 121 | |||
| | +2 | |||
|- | |||
| | F | |||
| | 687.48 | |||
| | 63 | |||
| | -27 | |||
|} | |||
[[Category:Just intonation]] | |||
[[Category:11-limit]] |
Latest revision as of 05:20, 9 January 2024
from Arnold Dreyblatt: Tuning Systems Explanation, http://www.dreyblatt.net/general-information-music#/tuning-system/
The Dreyblatt Tuning System is calculated from the third, fifth, seventh, ninth and eleventh harmonics and their multiples in the following pattern:
1 | 3 | 5 | 7 | 9 | 11 |
3 | 9 | 15 | 21 | 27 | 33 |
5 | 15 | 25 | 35 | 45 | 55 |
7 | 21 | 35 | 49 | 63 | 77 |
9 | 27 | 45 | 63 | 81 | 99 |
11 | 33 | 55 | 77 | 99 | 121 |
These mathematically related harmonics are heard as tonal relationships when they are transposed and sounded above a fundamental tone. In this process of transposition from their position in the natural harmonic series, these tones fall (unequally) in the span of one octave in the following order:
1, 33, 35, 9, 77, 5, 81, 21, [11,] 45, 3, 49, 99, 25, 27, 55, 7, 15, 121, 63, (2)
These tones are performed in "just intonation' based on a fundamental tone of "F".
Note | Freq. | Partial | Cents |
F | 349.2 | 1 | 0 |
F# | 360.11 | 33 | -47 |
G | 381.93 | 35 | -45 |
G# | 392.85 | 9 | +4 |
G# | 420.13 | 77 | +20 |
A | 436.5 | 5 | -14 |
A | 441.95 | 81 | +8 |
A# | 458.32 | 21 | -29 |
B | 480.15 | 11 | -49 |
B | 491.06 | 45 | -10 |
C | 523.8 | 3 | +2 |
C | 534.71 | 49 | +38 |
C# | 540.16 | 99 | -45 |
C# | 545.62 | 25 | -28 |
D | 589.27 | 27 | +6 |
D | 600.18 | 55 | +37 |
D# | 611.1 | 7 | -31 |
E | 654.75 | 15 | -12 |
E | 660.20 | 121 | +2 |
F | 687.48 | 63 | -27 |