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Music Theory and Tuning Systems
  TUNING SYSTEMS

Pythagorean Intonation  

-- it should be noted that this tuning system is a linear system, meaning that the intervals do not point back to themselves. The systems just continues up or down. If you start on a given note and travel in the same direction with the same interval you won't return to the starting note.  
  




INTERVAL SIZE

minor 2

major 2/diminshed 3

minor 3/augmented 2

major 3/diminished 4

perfect 4/augmented 3

augmented 4/dim 5

perfect 5

minor 6/ augmented 5

major 6/diminished 7

minor 7/augmented 6

major 7

 
TWELVE TONE


INTERVAL SIZE

minor 2

major 2

minor 3

major 3

perfect 4

augmented 4

diminished 5

perfect 5

minor 6

major 6

minor 7

major 7

 
  
  -- unlike the Pythagorean system, Equal Temperment is cyclic, meaning the the intervals will return to where it started, just in a different register. If you start on a note and continue in the same direction with the same interval you will end up on the same note, just in a different location.  

Other Commonly Used Tuning Systems  

The Cycle of 53

Mean Tone Temperament (Various Forms)

The Skhismic Temperament

Helmholtzian

 
  
  

CENTS  

100.000

200.000

300.000

400.000

500.000

600.000

700.000

800.000

900.000

1000.000

1100.000


EQUAL TEMPERMENT


CENTS

182.404

203.910

315.641

386.314

498.045

590.224

609.777

701.955

792.180

813.687

996.091

1088.269

   RATIO

89 : 84

449 : 400

44 : 37

63 : 50

303 : 227

140 : 99

433 : 289

100 : 63

37 : 22

98 : 55

168 : 89


EQUAL TEMPERMENT
  

RATIO

10 : 9

9 : 8

6 : 5

5 : 4

4 : 3

45 : 32

64 : 45

3 : 2

128.81

8 : 5

16 : 9

15 : 8

 

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