     init(audioSource: AKAudio) {
         super.init()
 
-        let feedbackLine = AKLine(firstPoint: 0.ak, secondPoint: 1.ak, durationBetweenPoints: testDuration.ak)
-        connect(feedbackLine)
+        let feedbackLine = AKLine(
+            firstPoint: 0.ak,
+            secondPoint: 1.ak,
+            durationBetweenPoints: testDuration.ak
+        )
 
         let delay = AKDelay(input: audioSource, delayTime: 0.1.ak)
         delay.feedback = feedbackLine

        connect(audio)

        let mono = AKMix(input1: audio.leftOutput, input2: audio.rightOutput, balance: 0.5.ak)
        connect(mono)

        auxilliaryOutput = AKAudio.globalParameter()
        assignOutput(auxilliaryOutput, to:mono)

        )

        let mix = AKMix(input1: audioSource, input2: delay, balance: 0.5.ak)

        setAudioOutput(mix)

        resetParameter(audioSource)
    }
