| Sl#/shruti# |
Shruti symbol |
Value in ratio |
Value (six decimals) |
Value in Cents |
| 1 |
S |
1/1 |
1.000000 |
0 |
| 2 |
r1 |
256/243 |
1.053498 |
90 |
| 3 |
r2 |
16/15 |
1.068065 |
114 |
| 4 |
r3 |
10/9 |
1.109569 |
180 |
| 5 |
r4 |
9/8 |
1.125000 |
204 |
| 6 |
g1 |
32/27 |
1.185185 |
294 |
| 7 |
g2 |
6/5 |
1.201636 |
318 |
| 8 |
g3 |
5/4 |
1.248331 |
384 |
| 9 |
g4 |
81/64 |
1.265625 |
408 |
| 10 |
m1 |
4/3 |
1.333333 |
498 |
| 11 |
m2 |
27/20 |
1.351911 |
522 |
| 12 |
m3 |
45/32 |
1.404445 |
588 |
| 13 |
m4 |
64/45 |
1.423828 |
612 |
| 14 |
P |
3/2 |
1.500000 |
702 |
| 15 |
d1 |
128/81 |
1.580247 |
792 |
| 16 |
d2 |
8/5 |
1.602140 |
816 |
| 17 |
d3 |
5/3 |
1.664397 |
882 |
| 18 |
d4 |
27/16 |
1.687500 |
906 |
| 19 |
n1 |
16/9 |
1.777778 |
996 |
| 20 |
n2 |
9/5 |
1.802501 |
1020 |
| 21 |
n3 |
15/8 |
1.872545 |
1086 |
| 22 |
n4 |
243/128 |
1.898438 |
1110 |
Compare the above with
S. Ramanathan's and Erv Wilson's ratios:
1/1
256/243
16/15
10/9
9/8
32/27
6/5
5/4
81/64
4/3
27/20
45/32
729/512
3/2
128/81
8/5
5/3
27/16
16/9
9/5
15/8
243/128
(2/1)
(The ratios given above form the MODERN INDIAN GAMUT)
And also:
C -- 1/1
Db low -- 256/243 (though 135/128 is 2 cents away)
Db high -- 16/15
D low -- 10/9
D high -- 9/8
Eb low -- 32/27
Eb high -- 6/5
E low -- 5/4
E high -- 81/64
F low -- 4/3
F high -- 27/20
F# low -- 45/32
F# high -- 729/512 (though 64/45 is 2 cents away)
G -- 3/2
Ab low -- 128/81
Ab high -- 8/5
A low -- 5/3
A high -- 27/16
Bb low -- 16/9
Bb high -- 9/5
B low -- 15/8
B high -- 243/128
C -- 2/1
You'll find some variations in various works on the subject.
2003/12/04
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