         lowPassCutoff: Double = 15000,
         dryWetMix: Double = 50) {
             
+            self.input = input
             self.time = NSTimeInterval(Double(time))
             self.feedback = feedback
             self.lowPassCutoff = lowPassCutoff

        }
    }
    
    /// Initialize the delay node 
    ///
    /// - parameter input: Input audio AKNode to process

            delayAU.lowPassCutoff = Float(lowPassCutoff)
            delayAU.wetDryMix = Float(dryWetMix)
    }
    
    /// Function to start, play, or activate the node, all do the same thing
    public func start() {
        if isStopped {
            self.avAudioNode = delayAU
            isStarted = true
        }
    }
    
    /// Function to start, play, or activate the node, all do the same thing
    public func play() {
        start()
    }
    
    /// Function to stop or bypass the node, both are equivalent
    public func stop() {
        if isPlaying {
            self.avAudioNode = self.input!.avAudioNode
            isStarted = false
        }
    }
    
    /// Function to stop or bypass the node, both are equivalent
    public func bypass() {
        stop()
    }
}
