     public class func initAudioSessionCooperativePlayback(category: AVAudioSession.Category = .playback,
                                                           policy: AVAudioSession.RouteSharingPolicy = .longFormAudio) {
         do {
+            try AVAudioSession.sharedInstance().setActive(false)
             try AVAudioSession.sharedInstance().setCategory(category,
-                                                             mode: .default,
-                                                             policy: policy)
+                                                            mode: .default,
+                                                            policy: policy,
+                                                            options: [])
             try AVAudioSession.sharedInstance().setActive(true)
             
             //Prevent interruptions from incoming calls - unless user has configured device

}

//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 hasPlaybackRate: Bool {
        false
    }
    
    public var playbackRate: Float  {
        get { 1.0 }
        set {}
    }
    
    public var hasOutputRouting: Bool {
        false
    }
