public bool Initialize()
{
try
{
if (!string.IsNullOrEmpty(_grammarFile) && File.Exists(_grammarFile))
{
_speechEngine = new SpeechRecognitionEngine();
Console.WriteLine("Speech Engine created");
// Load the grammar file
var g = new Grammar(_grammarFile);
_speechEngine.LoadGrammar(g);
Console.WriteLine("Loaded Grammar File : {0}", _grammarFile);
// Subscribe to events
_speechEngine.SpeechRecognized += SpeechRecognized;
_speechEngine.SpeechRecognitionRejected += SpeechRejected;
_speechEngine.SetInputToDefaultAudioDevice();
_speechEngine.RecognizeAsync(RecognizeMode.Multiple);
if (_voiceCommandPublisher != null)
{
_voiceCommandPublisher.Initialize();
}
_speechCommand = new SpeechCommand(_voiceCommandPublisher);
_speechCommandTask = Task.Factory.StartNew(() => _speechCommand.Run(100));
Console.WriteLine("Started recognizing");
}
}
catch (Exception ex)
{
Log.Error(ex.Message);
Log.Error(ex.StackTrace);
}
return false;
}
public bool Initialize()
{
try
{
if (_kinectSensor == null && !string.IsNullOrEmpty(_grammarFile) && System.IO.File.Exists(_grammarFile))
{
_kinectSensor = KinectSensor.GetDefault();
if (_kinectSensor != null)
{
// open the sensor
_kinectSensor.Open();
Console.WriteLine("Sensor Opened");
// grab the audio stream
IReadOnlyList<AudioBeam> audioBeamList = _kinectSensor.AudioSource.AudioBeams;
System.IO.Stream audioStream = audioBeamList[0].OpenInputStream();
// create the convert stream
_convertStream = new KinectAudioStream(audioStream);
Console.WriteLine("Stream created");
var ri = TryGetKinectRecognizer();
if (ri != null)
{
Console.WriteLine("Kinect recognizer exists");
// Create instance of the speech engine
_speechEngine = new SpeechRecognitionEngine(ri.Id);
Console.WriteLine("Speech Engine created");
// Load the grammar file
var g = new Grammar(_grammarFile);
_speechEngine.LoadGrammar(g);
Console.WriteLine("Loaded Grammar File : {0}", _grammarFile);
// Subscribe to events
_speechEngine.SpeechRecognized += SpeechRecognized;
_speechEngine.SpeechRecognitionRejected += SpeechRejected;
// let the convertStream know speech is going active
_convertStream.SpeechActive = true;
// For long recognition sessions (a few hours or more), it may be beneficial to turn off adaptation of the acoustic model.
// This will prevent recognition accuracy from degrading over time.
////speechEngine.UpdateRecognizerSetting("AdaptationOn", 0);
_speechEngine.SetInputToAudioStream(
_convertStream,
new SpeechAudioFormatInfo(EncodingFormat.Pcm, 16000, 16, 1, 32000, 2, null));
_speechEngine.RecognizeAsync(RecognizeMode.Multiple);
if (_voiceCommandPublisher != null)
{
_voiceCommandPublisher.Initialize();
}
_speechCommand = new SpeechCommand(_voiceCommandPublisher);
_speechCommandTask = Task.Factory.StartNew(() => _speechCommand.Run(200));
Console.WriteLine("Started recognizing");
}
}
}
}
catch (Exception ex)
{
Log.Error(ex.Message);
Log.Error(ex.StackTrace);
}
return false;
}
