al-hwarizmi — SCL Detail

File comments

! Al-Hwarizmi.scl ! ! Al-Hwarizmi's tetrachord division

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	9/8	ratio	9/8	203.91
2	81/70	ratio	81/70	252.68
3	81/68	ratio	81/68	302.86
4	27/22	ratio	27/22	354.55
5	81/64	ratio	81/64	407.82
6	4/3	ratio	4/3	498.04
7		2nd octave		1403.91
8		2nd octave		1452.68
9		2nd octave		1502.86
10		2nd octave		1554.55
11		2nd octave		1607.82
12		2nd octave		1698.04