         createParameterSetters()
         createParameterGetters()
         createParameterDisplays()
-        setDefaultValues()
+        setDefaultAuValues()
     }
 
-    func setDefaultValues() {
-        volumeControl.value = 0.30
-        filterControl.value = 20000
+    func setDefaultAuValues() {
+        volumeControl.value = 0.666
+        filterControl.value = 1.0
     }
 
     private func createParameterSetters() {

        parameterTree.implementorStringFromValueCallback = { param, value in
            if let floatValue = value?.pointee {
                if param == self.volumeControl {
                    return String(format: "%.3f", floatValue)
                }
                if param == self.filterControl {
                    return String(format: "%.3f HZ", floatValue)
                }
                // if param == other values here...
            }

            let value = Double(floatValue)
            if param == self.volumeControl {
                self.volume.gain = value
            }
            if param == self.filterControl {
                let denorm = value.denormalized(to: self.filterRange, taper: self.filterTaper)
                self.filter.cutoffFrequency = denorm
            }
            // if param == other values here...
        }
