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Duration Constants

Note durations are represented using real numbers (floats). For example, 4.0 stands for a whole note, 2.0 for a half note, 1.0 for a quarter note, and so on.

The music library defines the following constants for common duration values:

Constant Value
DWN, DOTTED_WHOLE_NOTE 6.0
WN, WHOLE_NOTE 4.0
DHN, DOTTED_HALF_NOTE 3.0
DDHN, DOUBLE_DOTTED_HALF_NOTE 3.5
HN, HALF_NOTE 2.0
HNT, HALF_NOTE_TRIPLET 4.0 / 3.0
QN, QUARTER_NOTE 1.0
QNT, QUARTER_NOTE_TRIPLET 2.0 / 3.0
DQN, DOTTED_QUARTER_NOTE 1.5
DDQN, DOUBLE_DOTTED_QUARTER_NOTE 1.75
EN, EIGHTH_NOTE 0.5
DEN, DOTTED_EIGHTH_NOTE 0.75
ENT, EIGHTH_NOTE_TRIPLET 1.0 / 3.0
DDEN, DOUBLE_DOTTED_EIGHTH_NOTE 0.875
SN, SIXTEENTH_NOTE 0.25
DSN, DOTTED_SIXTEENTH_NOTE 0.375
SNT, SIXTEENTH_NOTE_TRIPLET 1.0 / 6.0
TN, THIRTYSECOND_NOTE 0.125
TNT, THIRTYSECOND_NOTE_TRIPLET 1.0 / 12.0
REST -2147483648