private void ContinuousRecognitionSession_ResultGenerated(SR.SpeechContinuousRecognitionSession sender, SR.SpeechContinuousRecognitionResultGeneratedEventArgs args)
{
if (args.Result.Status == SR.SpeechRecognitionResultStatus.Success)
{
Debug.WriteLine("Result Text:{0}, Confidence:{1}({2:F4}), Constraint:{3})",
args.Result.Text,
args.Result.Confidence,
args.Result.RawConfidence,
(args.Result.Constraint != null) ? args.Result.Constraint.Tag : "<No tag>");
if (
(args.Result.Confidence == SR.SpeechRecognitionConfidence.High) ||
(args.Result.Confidence == SR.SpeechRecognitionConfidence.Medium))
{
switch (args.Result.Constraint.Tag)
{
case "EnableCommanding":
ProcessSpeechStatusChangeCommand(args.Result);
break;
case "Commands":
ProcessSpeechCommand(args.Result);
break;
default:
Debug.WriteLine($"**** Unknown constraint '{args.Result.Constraint.Tag}'");
break;
}
}
}
else
{
Debug.WriteLine("Result: status({0})", args.Result.Status);
}
}
private void SpeechRecognizer_StateChanged(SR.SpeechRecognizer sender, SR.SpeechRecognizerStateChangedEventArgs args)
{
Debug.WriteLine($"- {args.State}");
}
private void SpeechRecognizer_RecognitionQualityDegrading(SR.SpeechRecognizer sender, SR.SpeechRecognitionQualityDegradingEventArgs args)
{
Debug.WriteLine($"- Speech quality: {args.Problem}");
}
private void ContinuousRecognitionSession_Completed(SR.SpeechContinuousRecognitionSession sender, SR.SpeechContinuousRecognitionCompletedEventArgs args)
{
Debug.WriteLine($"--> Speech reco session completed: {args.Status}");
if (IsActive)
{
IsActive = false;
Activated(this, IsActive);
}
}
private void ProcessSpeechCommand(SR.SpeechRecognitionResult result)
{
if (result.SemanticInterpretation.Properties.Keys.Contains("action"))
{
var intentArgs = new SpeechIntentArgs(result.SemanticInterpretation.Properties["action"][0]);
Debug.WriteLine($"--> Voice reco intent: {intentArgs.Intent}");
// Execute the event
SpeechCommandTriggered(this, intentArgs);
}
}
private void ProcessSpeechStatusChangeCommand(SR.SpeechRecognitionResult result)
{
bool activationStatus = IsActive;
if (result.SemanticInterpretation.Properties.Keys.Contains("action"))
{
var intent = result.SemanticInterpretation.Properties["action"][0];
Debug.WriteLine($"--> Voice reco status change request: {intent}");
switch (intent)
{
case "ActivateSpeechReco":
IsActive = true;
break;
case "StopSpeechReco":
IsActive = false;
break;
default:
break;
}
if (activationStatus != IsActive)
{
_commandingConstraint.IsEnabled = IsActive;
// Rise the event
Activated(this, IsActive);
}
}
}
