Exception HRESULT: 0x800455BC in speech recognitio

Question

I am developing a new app where I am using the speech recognition capability for windows phone 8. However, I am getting the following exception:

Exception from HRESULT: 0x800455BC

at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at ExcerciseMod7Voice.MainPage.d__4.MoveNext()

And this is the code I'm trying to use:

 private async void btnSpeak_Click(object sender, RoutedEventArgs e)
 {
         var recognizer = new SpeechRecognizerUI();
         recognizer.Settings.ShowConfirmation = true;
         recognizer.Settings.ReadoutEnabled = false;

         try
         {
             var result = await recognizer.RecognizeWithUIAsync();
             if (result.ResultStatus == SpeechRecognitionUIStatus.Succeeded)
             {
                 MessageBox.Show(result.RecognitionResult.Text);
             }
         }
         catch (Exception ex)
         {
             MessageBox.Show(ex.Message);
         }
 }

When I run the app and I click in the button to speak it displays a message confirmation for a few seconds and then disappears.

NOTE: I'm testing directly to my cellphone this app. (Nokia Lumia 920)

Answer 1

That error message means that the language isn't supported. I'm not sure what your language settings are but you can get the recognizer with your locale using this (swap en-GB with the culture you want)

var localRec = InstalledSpeechRecognizers.All
                       .Where(r => r.Language == "en-GB").FirstOrDefault();

Then set your recognizer with that language

if(localRec != null)
  recognizer.Recognizer.SetRecognizer(localRec);
else
  MessageBox.Show("Recognizer with the language not found");

If you don't explicitly set the locale above then the system will use the language set in the phone's Speech settings.