135/128
(Redirected from Major chroma)
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| Ratio | 135/128 |
| Monzo | [-7 3 1⟩ |
| Size in cents | 92.17872 |
| Name(s) | pelogic comma, major limma, major chroma |
| Color name | Ly1, layo unison, Layobi comma |
| FJS name | A15 |
[sound info] | |
| open this interval in xen-calc | |
The 5-limit interval 135/128, about 92.2 cents in size, is called the pelogic comma, major limma or major chroma. It is a syntonic comma away from the pythagorean major semitone 2187/2048, and so is tuned justly in 1/7 comma meantone. Flattening by another syntonic comma reaches the even simpler 25/24.
As a comma it represents the difference between three perfect fourths and a just major third (plus an octave).
See also
- Gallery of just intervals
- Medium comma
- File:Ji-135-128-csound-foscil-220hz.mp3 – another sound example