Didacus: Difference between revisions
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The 2.5.7 subgroup can be crudely approximated by [[6edo]], which is itself technically a didacus tuning as 5/4 spans 2 steps and 7/5 spans 3. Every other didacus tuning is essentially a dietic inflection of this basic hexatonic structure. Therefore, the intervals of didacus can be organized according to how many steps of [[6edo]], or equivalently the 6-note MOS, they correspond to. They can be labeled "wholetone", "ditone", "tritone", etc., and inflected so that "minor" intervals are those just below a step of 6edo, and "major" intervals are just above. Below are the intervals of the symmetric mode of Didacus[25] ([[6L 19s]]) in undecimal CEE tuning. | The 2.5.7 subgroup can be crudely approximated by [[6edo]], which is itself technically a didacus tuning as 5/4 spans 2 steps and 7/5 spans 3. Every other didacus tuning is essentially a dietic inflection of this basic hexatonic structure. Therefore, the intervals of didacus can be organized according to how many steps of [[6edo]], or equivalently the 6-note MOS, they correspond to. They can be labeled "wholetone", "ditone", "tritone", etc., and inflected so that "minor" intervals are those just below a step of 6edo, and "major" intervals are just above. Below are the intervals of the symmetric mode of Didacus[25] ([[6L 19s]]) in undecimal CEE tuning. | ||
{| class="wikitable" | {| class="wikitable center-all left-1" | ||
|- | |- | ||
! Steps of 6edo | ! Steps of 6edo | ||