Try hooking up talking state to mute state

AudioDevice.cs

@@ -13,8 +13,6 @@ internal class AudioDevice : IAudioSessionEventsHandler
     private readonly string _friendlyName;
     private readonly Dictionary<string, AudioSessionControl> _sessions = new();
 
-    private bool _muted;
-
     public delegate void AudioSessionsChangedDelegate();
 
     public event AudioSessionsChangedDelegate AudioSessionsChanged;
@@ -24,9 +22,9 @@ internal class AudioDevice : IAudioSessionEventsHandler
         _logger = Log.ForContext<AudioDevice>();
 
         _friendlyName = device.DeviceFriendlyName;
-        _muted = device.AudioEndpointVolume.Mute;
+        IsMuted = device.AudioEndpointVolume.Mute;
 
-        _logger.Information("AudioDevice: {name} {muted}", _friendlyName, _muted);
+        _logger.Information("AudioDevice: {name} {muted}", _friendlyName, IsMuted);
 
         device.AudioEndpointVolume.OnVolumeNotification += AudioEndpointVolume_OnVolumeNotification;
         device.AudioSessionManager.AudioSessionControl.RegisterEventClient(this);
@@ -45,7 +43,7 @@ internal class AudioDevice : IAudioSessionEventsHandler
     {
         _logger.Information("AudioEndpointVolume_OnVolumeNotification: {name} {muted}", _friendlyName, data.Muted);
 
-        _muted = data.Muted;
+        IsMuted = data.Muted;
     }
 
     private void AudioSessionManager_OnSessionCreated(object sender, IAudioSessionControl newSession)
@@ -69,6 +67,8 @@ internal class AudioDevice : IAudioSessionEventsHandler
 
     public int ActiveSessionCount => _sessions.Values.Count(s => s.State == AudioSessionState.AudioSessionStateActive);
 
+    public bool IsMuted { get; private set; }
+
     void IAudioSessionEventsHandler.OnVolumeChanged(float volume, bool isMuted)
     {
         _logger.Information("OnVolumeChanged: {name} {volume} {isMuted}", _friendlyName, volume, isMuted);