PolyPressure event specific data. Used in \ref Event (union)
< channel index in event bus
< event should be applied to the noteId (if not -1)
< range [0, 127] = [C-2, G8] with A3=440Hz
< range [0.0, 1.0]
See Implementation
PolyPressure event specific data. Used in \ref Event (union)