Eratosthenes' Enharmonic

SCL Detail

Degrees: 7  •  Period: 1200.00 cents  •  Source: Murray

Enharmonic - Eratosthenes
File comments
Ancient Greek Tuning System Author: Eratosthenes Period: Ancient Greece (c. 276-194 BCE) Genus: Enharmonic Reference: Table 3, murray_text_02_greek.md Enharmonic tuning using superparticular ratios throughout. Octave span: E to E Tetrachord structure: Two tetrachords with disjunctive tone B-A (9/8)
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
2 46/45 ratio 46/45 38.00
3 24/23 ratio 24/23 112.00
4 5/4 ratio 5/4 498.00
5 9/8 ratio 9/8 702.00
6 46/45 ratio 46/45 740.00
7 24/23 ratio 24/23 814.00
8 5/4 ratio 5/4 1200.00
8 2nd octave 1238.00
9 2nd octave 1312.00
10 2nd octave 1698.00
11 2nd octave 1902.00
12 2nd octave 1940.00
13 2nd octave 2014.00
14 2nd octave 2400.00