The enum PanType is a repository of functions
for volume-based panning for stereo media.Each function
takes a linear pan setting as an input, ranging
from -1 (100% left) to 1 (100% right) with 0 being the
center pan setting.
The enum VolumeType is a repository of functions
used to convert an input in the linear range 0..1 to an
attenuation factor, where the input 0 indicating silence
and 1 indicating full volume, and the returned factor
intended to be multiplied to the PCM values on a per-element
basis.
Represents an event in the life cycle of an AudioCue play
back instance and is passed as an argument to objects that implement
the AudioCueListener interface and are registered to listen.