rampDurationSampleFrames
The ramp duration, in sample frames. Must be 0 for a non-ramped event; otherwise, must be greater than 0 for a ramped event.
Declaration
var rampDurationSampleFrames: AUAudioFrameCountThe ramp duration, in sample frames. Must be 0 for a non-ramped event; otherwise, must be greater than 0 for a ramped event.
var rampDurationSampleFrames: AUAudioFrameCount