     offsetLabel.isHidden = !pitchEngine.active
   }
 
-  // MARK: - Constrains
+  // MARK: - Layout
 
   func setupLayout() {
     let totalSize = UIScreen.main.bounds

    return button
    }()

  lazy var pitchEngine: PitchEngine = { [unowned self] in
    var config = Config()
    config.transformStrategy = .yin
    config.estimationStrategy = .yin
    let pitchEngine = PitchEngine(config: config, delegate: self)
    pitchEngine.levelThreshold = -30.0


  }

  public func pitchEngineWentBelowLevelThreshold(_ pitchEngine: PitchEngine) {
    print("Below level threshold")
  }
}
