         modulatingMultiplier: Float = 1,
         modulationIndex: Float = 1,
         amplitude: Float = 1) {
-            
+
         self.baseFrequency = baseFrequency
         self.carrierMultiplier = carrierMultiplier
         self.modulatingMultiplier = modulatingMultiplier

        }

        guard let tree = internalAU?.parameterTree else { return }

        baseFrequencyParameter        = tree.valueForKey("baseFrequency")        as? AUParameter
        carrierMultiplierParameter    = tree.valueForKey("carrierMultiplier")    as? AUParameter
        modulatingMultiplierParameter = tree.valueForKey("modulatingMultiplier") as? AUParameter

                }
            }
        }
        
        baseFrequencyParameter?.setValue(baseFrequency, originator: token!)
        carrierMultiplierParameter?.setValue(carrierMultiplier, originator: token!)
        modulatingMultiplierParameter?.setValue(modulatingMultiplier, originator: token!)
        modulationIndexParameter?.setValue(modulationIndex, originator: token!)
        amplitudeParameter?.setValue(amplitude, originator: token!)
    }
}
