User:CompactStar/JI notation: Difference between revisions
CompactStar (talk | contribs) No edit summary |
CompactStar (talk | contribs) No edit summary |
||
| Line 1: | Line 1: | ||
(This may be moved to mainspace when it is more fleshed out) | (This may be moved to mainspace when it is more fleshed out) | ||
The naturals CDEFGAB correspond to Pythagorean intervals. Sharp and flat accidentals raise/lower by 2187/2048, and half-sharp and half-flat accidentals raise/lower by 33/32. To represent non-2.3.11 subgroup intervals, a list of primes, each of which multiplies the basic note by a comma, is added (e.g. 5/4 = E[-5], 13/10 = Fd[+13, -5]). | The naturals CDEFGAB correspond to Pythagorean intervals. Sharp and flat accidentals raise/lower by 2187/2048, and half-sharp and half-flat accidentals raise/lower by 33/32. To represent non-2.3.11 subgroup intervals, a comma-seperated list of primes, each of which multiplies the basic note by a comma, is added (e.g. 5/4 = E[-5], 13/10 = Fd[+13, -5]). | ||
== Commas == | == Commas == | ||
{|class="wikitable" | {|class="wikitable" | ||
| Line 18: | Line 18: | ||
|- | |- | ||
|13 | |13 | ||
| | |144/143 | ||
|13/8 = | |13/8 = Ad[-13] | ||
|- | |- | ||
|17 | |17 | ||
| Line 34: | Line 34: | ||
|- | |- | ||
|29 | |29 | ||
| | |261/256 | ||
|29/16 = | |29/16 = Bb[=29] | ||
|- | |- | ||
|31 | |31 | ||
| Line 42: | Line 42: | ||
|- | |- | ||
|37 | |37 | ||
| | |297/296 | ||
|37/32 = | |37/32 = Dt[-37] | ||
|- | |||
|41 | |||
|82/81 | |||
|41/32 = E[+41] | |||
|- | |||
|43 | |||
|129/128 | |||
|43/32 = F[+43] | |||
|- | |||
|47 | |||
|517/512 | |||
|47/32 = Gd[+43] | |||
|- | |||
|53 | |||
|583/576 | |||
|53/32 = Ad[+43] | |||
|} | |} | ||