         sharedBot.playingFinish = nil
     }
 
-    class func cleanPlaying(finish finish: Bool) {
+    private class func cleanPlaying(finish finish: Bool) {
 
         sharedBot.playingTimer?.invalidate()
         sharedBot.playingTimer = nil

    public func audioRecorderEncodeErrorDidOccur(recorder: AVAudioRecorder, error: NSError?) {

        print("AudioBot audioRecorderEncodeErrorDidOccur: \(error)")
    }
}



        sharedBot.recordingPeriodicReport = decibelSamplePeriodicReport

        let timeInterval = 1 / decibelSamplePeriodicReport.reportingFrequency
        let timer = NSTimer.scheduledTimerWithTimeInterval(timeInterval, target: sharedBot, selector: "reportRecordingDecibel:", userInfo: nil, repeats: true)
        sharedBot.recordingTimer?.invalidate()
