         pitch.tickMarkPosition = NSTickMarkPosition.below
         
         timePlayer = AKTimePitch(audioPlayer)
-        panner = AKPanner(timePlayer)
-        AudioKit.output = panner
+        //panner = AKPanner(timePlayer)
+        //AudioKit.output = panner
+        
+        booster = AKBooster(timePlayer)
+        AudioKit.output = booster
         
         setupPlot()
     }

    
    
    @IBAction func changePan(_ sender: NSPopUpButton) {
        panner.pan = Double(sender.selectedTag())
    }

    @IBAction func positionSlider(_ sender: NSSlider) {

        case .play:
           if playState == .stop {
                AudioKit.start()
                // panner.start()
                booster.start()
                timePlayer.start()
                audioPlayer.start()
                audioPlotter.resetHistoryBuffers()
