＜纯律和12平均律比较＞　　　　　　　　　　　　　　　　傅国权著1999.03.12

弦乐定弦1 5 2 6 3

c391.11 g391.11 d293.33 a440 e330
#c275 #f366.66 #a458.33 #d311.13 #g412.5
1.A4=440 纯律 12平均律
2.D4= A4_D4 440x 2/3 =293.33 -2cent 220.00
3.G4= D4_G4 293.33x2/3 =391.11 -4cent 261.63
4.C4= G4_C4 391.11x2/3 =260.74 -6cent 329.63
5.E4= A4_E4 440x 3/4 =330.00 2cent 392.00
6.B4= E4_B4 330x 3/2 =495.00 4cent 493.89
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C #F
293.33 - 264 = 29.33 Hz 412.5 - 366.66 = 45.84
200 /29.33 = 6.8189 CENT 200 / 4 .84 = 4.36 CENT
264 - 261.63 = 2.37 Hz 366.66 369.99 =-3.33
2.37 x 6.8189 = 16.16 CENT -3.33x .36 =-14.5 CENT
C264 = 16 CENT #F366.6 =-15 CENT
#C G
305.55 - 275 = 30.55 440 - 396 = 44
200 / 30.55=6.5466CENT 200 / 44 = 4.54
275 - 277.18 = 2.18 396 - 392 = 4
6.5466x2.18 = 14.27 CENT 4 x 4.54 = 18.16 CENT
#C275 = 14 CENT G396 = 18 CENT
D #G
330 - 293.33=36.67 458.33 - 412.5 = 45.83
200/36.67= 5.45 CENT 200 / 45.83 = 4.36 CENT
293.33-293.66=-0.33 412.50 - 415.30 = -2.8
-0.33x5.45 =-1.79 CENT -2.8 x 4.36 = -12.2 CENT
D293.33=-2 CENT #G412.50 = -12 CENT
#D A
352 - 309.375 = 42.625 A = 440
200 / 42.625= 4.672 CENT
309.375 - 311.13 =-1.755
4.672x -1.755=-8.2ENT
#D305.55 =-8 CENT A440 = 0 CENT
E #A
366.66 - 330 = 36.66 528 - 458.33=69.67
200 / 36.66 = 5.45 CENT 200 /69.67=2.87 CENT
330 - 329.63 = 0.37 458.33 - 466.16 = -7.83
0.37 x5.45 = 2.21 CENT -7.83x 2.87 = -22.47
E330 = 2 CENT #A458.33 = -23 CENT
F B
396 - 352 = 44 550 - 495 = 55
200 / 44 = 4.54 CENT 200 / 55 = 3.63 CENT
352 - 349.23 = 2.77 495 - 493.89 = 1.11
2.77 x 4.54 = 12.57 CENT 1.11 x 3.63 = 4.02 CENT
F352 = 12.57 CENT B495 = 4 CENT