private AudioHelper()
{
_isStartUp = true;
GlobalEventAggregator.Instance.AddListener <SleepStateEventArgs>(SleepStateListner);
_deviceEnumerator = new MMDeviceEnumerator();
_deviceEnumerator.DeviceAdded += DeviceAdded;
_deviceEnumerator.DeviceRemoved += DeviceRemoved;
_deviceEnumerator.DeviceStateChanged += DeviceStateChanged;
_deviceEnumerator.DevicePropertyChanged += DevicePropertyChanged;
_lastPeakValues = new PeakValues();
SetBitrate((AudioBitrate)Settings.Default.Bitrate);
SetChannel((AudioChannel)Settings.Default.Channel);
_currentDevice = GetDefaultDevice();
Device = new AudioEndPoint(_currentDevice.FriendlyName, _currentDevice.DeviceID, GetDeviceFormat(_currentDevice).Channels, _currentDevice.DeviceState != DeviceState.Active, (int?)((_currentDevice.GetJackDescriptions()?.FirstOrDefault())?.Color)?.Value);;
_isStartUp = false;
}