al-farabi_div — SCL Detail

Al Farabi's 10 intervals for the division of the tetrachord

File comments

! al-farabi_div.scl ! !

Playback

Select a tone, then click Begin. Use Arrow keys to step; Space stops. You can also use 1-0, qwertyuiop, asdfghjkl, zxcvbnm.

Overview (non-12°)

Degrees (now extended to 2 octaves)

#	Raw	Type	Ratio	Cents
1	256/243	ratio	256/243	90.22
2	18/17	ratio	18/17	98.95
3	162/149	ratio	162/149	144.82
4	54/49	ratio	54/49	168.21
5	9/8	ratio	9/8	203.91
6	32/27	ratio	32/27	294.13
7	81/68	ratio	81/68	302.86
8	27/22	ratio	27/22	354.55
9	81/64	ratio	81/64	407.82
10	4/3	ratio	4/3	498.04
11		2nd octave		1290.22
12		2nd octave		1298.95
13		2nd octave		1344.82
14		2nd octave		1368.21
15		2nd octave		1403.91
16		2nd octave		1494.13
17		2nd octave		1502.86
18		2nd octave		1554.55
19		2nd octave		1607.82
20		2nd octave		1698.04