Basic Just Intervals?

I've decided to begin my explorations of just intonation by
"translating" some of my previous 12TET compositions and tone rows (I'm
a proponent of what I call "neo-serialism") into just scales, so I
thought I'd better make sure I'm calling all the intervals by the right
names, and have the correct just equivalent intervals and cents values.
So, I thought I'd better run my little interval table by you all, in
case I made any mistakes:



12TET Just
Semitones Ratio Common Name Cents Value



7 3/2 Perfect Fifth 701.96

5 4/3 Perfect Fourth 498.04

8 8/5 Minor Sixth 813.69

4 5/4 Major Third 386.31

9 5/3 Major Sixth 884.36

3 6/5 Minor Third 315.64

10 16/9 Minor Seventh

2 9/8 Major Second

11 15/8 Major Seventh

1 16/15 Minor Second

6 45/32 Tritone 600.0



Please let me know if I made any mistakes, or if you have some of the
missing cents values. Thanks.



Bill Flavell





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