ConstReadonlychannelPressure: 13Current channel pressure on the channel.
Readonlylink: 127Unsupported and discarded if encountered.
ReadonlynoController: 0Value is equal to 1.
ReadonlynoteOnKeyNum: 3MIDI note number of the note on event associated with the voice.
ReadonlynoteOnVelocity: 2Velocity of the note on event associated with the voice.
ReadonlypitchWheel: 14The current pitch wheel value on the channel.
ReadonlypitchWheelRange: 16The current pitch wheel range (where 1 means 127 semitones) on the channel.
ReadonlypolyPressure: 10Current poly pressure on the same note as the voice.
All SF2 Modulator controller sources. These values are mapped on the range from 0 to 1 (or -1 to 1 for bipolar transform) with the transform specified.