public static void RefreshAudioSources()
        {
            AvailableAudioSources.Clear();

            AvailableAudioSources.Add(new KeyValuePair <string, string>("-1", "[No Sound]"));

            foreach (var Dev in WaveInDevice.Enumerate())
            {
                AvailableAudioSources.Add(new KeyValuePair <string, string>(Dev.DeviceNumber.ToString(), Dev.Name));
            }

            foreach (var Dev in WasapiLoopbackCapture.EnumerateDevices())
            {
                AvailableAudioSources.Add(new KeyValuePair <string, string>(Dev.ID, Dev.Name + " (Loopback)"));
            }

            if (Instance != null)
            {
                Instance.AudioSourcesBox.SelectedIndex = 0;
            }
        }