 }
 
 //MARK: - FXAudioPlayerEngine
-
-//TimePitch Rate constants
-
-public let kRateMin: Float = 0.03125
-public let kRateCenter: Float = 1.0
-public let kRateMax: Float = 32.0
 
 //Track output level constants
 fileprivate let kOutputLevelDefault: Float = .zero

    public var hasOutputLevelAdjust: Bool {
        true
    }

    ///Adjust track playback level in range: -1.0 to 1.0
    public var trackOutputLevelAdjust: Float? {
        get {

    public func reset() {
        resetEQ()
        trackOutputLevelAdjust = kOutputLevelDefault
        playbackRate = AVAudioUnitTimePitch.RateRange.center.rawValue
    }
    
    ///Reset EQ to nominal (flat) values
