OD: Difference between revisions
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Cmloegcmluin (talk | contribs) No edit summary |
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| Line 8: | Line 8: | ||
{| class="wikitable" | {| class="wikitable" | ||
|+example: | |+example: 4-ODO = 4th overtone mode = 4-ADO | ||
|- | |- | ||
! quantity | ! quantity | ||
| Line 22: | Line 22: | ||
|- | |- | ||
! frequency | ! frequency | ||
| | |1/1 | ||
| | |5/4 | ||
| | |3/2 | ||
| | |7/4 | ||
| | |2/1 | ||
| | |5/2 | ||
| | |3/1 | ||
| | |7/2 | ||
| | |4/1 | ||
|- | |- | ||
! pitch | ! pitch | ||
| | |0.00 | ||
| | |0.32 | ||
| | |0.58 | ||
| | |0.81 | ||
| | |1.00 | ||
| | |1.32 | ||
| | |1.58 | ||
| | |1.81 | ||
| | |2.00 | ||
|- | |- | ||
! length | ! length | ||
| | |1/1 | ||
| | |4/5 | ||
| | |2/3 | ||
| | |4/7 | ||
| | |1/2 | ||
| | |2/5 | ||
| | |1/3 | ||
| | |2/7 | ||
| | |1/4 | ||
|} | |} | ||
Revision as of 01:48, 22 March 2021
An OD, or otonal division, is a kind of arithmetic and monotonic tuning.
overtone mode, or over-n scale (equivalent to n-ODO)
n-ODp: n otonal divisions of interval p
An OD is a specific (rational) type of EFD.
| quantity | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|
| frequency | 1/1 | 5/4 | 3/2 | 7/4 | 2/1 | 5/2 | 3/1 | 7/2 | 4/1 |
| pitch | 0.00 | 0.32 | 0.58 | 0.81 | 1.00 | 1.32 | 1.58 | 1.81 | 2.00 |
| length | 1/1 | 4/5 | 2/3 | 4/7 | 1/2 | 2/5 | 1/3 | 2/7 | 1/4 |