Modal UDP notation: Difference between revisions

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Added credits, replaced "Other notations" section with "See also" section
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'''Modal UDP notation''' is a way to uniquely specify a particular [[Periodic_scale#Definition-Rotations|rotation]], i.e. mode, of a [[MOS scale]]. Its name is derived from "up|down(period)", abbreviated as U|D(P). If accidentals are specified, it can also be used with [[MODMOS scale]]s.
'''Modal UDP notation''' is a way to uniquely specify a particular [[Periodic_scale#Definition-Rotations|rotation]], i.e. mode, of a [[MOS scale]]. Its name is derived from "up|down(period)", abbreviated as U|D(P). If accidentals are specified, it can also be used with [[MODMOS scale]]s.
This mode notation system was designed by [[Mike Battaglia]] and [[Gene Ward Smith]].


== Introduction ==
== Introduction ==
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* Because the MOS type that a temperament's MOS represents is tuning-dependent, the choice of bright generator can be tuning-dependent. For example, assume you are using approximately but not exactly 700¢ for dominant meantone. Then Dominant[12] is either [[7L 5s]] (if generator < 700¢), in which case the bright generator is the fourth, or [[5L 7s]] (if generator > 700¢), meaning that the bright generator is the fifth. As a result, Dominant[12] 7|4 is ambiguous.
* Because the MOS type that a temperament's MOS represents is tuning-dependent, the choice of bright generator can be tuning-dependent. For example, assume you are using approximately but not exactly 700¢ for dominant meantone. Then Dominant[12] is either [[7L 5s]] (if generator < 700¢), in which case the bright generator is the fourth, or [[5L 7s]] (if generator > 700¢), meaning that the bright generator is the fifth. As a result, Dominant[12] 7|4 is ambiguous.


== Other notations ==
== See also ==
* [[Kite%27s_Method_of_Naming_Rank-2_Scales_using_Mode_Numbers|Kite Giedraitis' notation]] numbers each mode by its position on the genchain: 1st Meantone[7] = Lydian, 2nd Meantone[7] = Ionian, 3rd Meantone[7] = Mixolydian, etc. The generator is not always bright: 1st Meantone[5] = major pentatonic.
* [[Comparison of mode notation systems]]
* [[Naming_Rank-2_Scales#Jake Freivald method|Jake Freivald's notation]] numbers each mode by its position in the scale: 1st Meantone[7] = Ionian, 2nd Meantone[7] = Dorian, 3rd Meantone[7] = Phrygian, etc.
* [[Kite's Method of Naming Rank-2 Scales using Mode Numbers]]
* [[Jake Freivald's mode numbering system]]


[[Category:Mode]]
[[Category:Mode]]
[[Category:Notation]]
[[Category:Notation]]