public static void Recognize(string phrase, Action <SpeechRecognizedEventArgs> action)
{
// If this is the first phrase to listen for
if (recognitions.Count == 0)
{
// Do some setup.
stream = KinectAudioStreamManager.Get();
recognizer = GetKinectRecognizer();
// Something went wrong
if (recognizer == null)
{
KinectAudioStreamManager.Release(ref stream);
throw new InvalidOperationException("Unable to find a Kinect Speech Recognizer");
}
try
{
engine = new SpeechRecognitionEngine(recognizer.Id);
engine.SpeechRecognized += SpeechRecognized;
engine.SetInputToAudioStream(stream,
new SpeechAudioFormatInfo(
EncodingFormat.Pcm, 16000, 16, 1,
32000, 2, null));
//engine.RecognizeAsync();
}
catch (Exception e)
{
KinectAudioStreamManager.Release(ref stream);
// rethrow
throw e;
}
}
// Add our phrase
if (recognitions.ContainsKey(phrase))
{
// Add this action to the list
recognitions[phrase].Add(action);
}
else
{
// Create a new list with only this action in it
var recognizers = new List <Action <SpeechRecognizedEventArgs> >();
recognizers.Add(action);
recognitions.Add(phrase, recognizers);
}
ResetGrammar();
}
public static void CancelRecognize(string phrase, Action <SpeechRecognizedEventArgs> action)
{
if (!recognitions.ContainsKey(phrase))
{
throw new InvalidOperationException("The given phrase has no registered handlers.");
}
var handlers = recognitions[phrase];
if (!handlers.Contains(action))
{
throw new InvalidOperationException("The given handler is not registered with the given phrase.");
}
// Remove the handler
handlers.Remove(action);
// If we have no more handlers, remove the phrase
if (handlers.Count == 0)
{
recognitions.Remove(phrase);
}
// We have nothing else to listen for
if (recognitions.Count == 0)
{
engine.RecognizeAsyncCancel();
engine.SpeechRecognized -= SpeechRecognized;
engine = null;
KinectAudioStreamManager.Release(ref stream);
}
else
{
ResetGrammar();
}
}
