/// <summary>
/// Creates a new speech recognition engine.
/// </summary>
/// <returns>A new speech recognition engine object.</returns>
private SpeechRecognitionEngine CreateSpeechRecognitionEngine()
{
// Create the speech recognition engine
var recognizer = MicrosoftSpeech.CreateSpeechRecognitionEngine(this.Configuration.Language, this.Configuration.Grammars);
// Attach the event handlers for speech recognition events
recognizer.SpeechDetected += this.OnSpeechDetected;
recognizer.SpeechHypothesized += this.OnSpeechHypothesized;
recognizer.SpeechRecognized += this.OnSpeechRecognized;
recognizer.SpeechRecognitionRejected += this.OnSpeechRecognitionRejected;
recognizer.AudioSignalProblemOccurred += this.OnAudioSignalProblemOccurred;
recognizer.AudioStateChanged += this.OnAudioStateChanged;
recognizer.RecognizeCompleted += this.OnRecognizeCompleted;
recognizer.RecognizerUpdateReached += this.OnRecognizerUpdateReached;
recognizer.AudioLevelUpdated += this.OnAudioLevelUpdated;
recognizer.EmulateRecognizeCompleted += this.OnEmulateRecognizeCompleted;
recognizer.LoadGrammarCompleted += this.OnLoadGrammarCompleted;
// Create the format info from the configuration input format
SpeechAudioFormatInfo formatInfo = new SpeechAudioFormatInfo(
(EncodingFormat)this.Configuration.InputFormat.FormatTag,
(int)this.Configuration.InputFormat.SamplesPerSec,
this.Configuration.InputFormat.BitsPerSample,
this.Configuration.InputFormat.Channels,
(int)this.Configuration.InputFormat.AvgBytesPerSec,
this.Configuration.InputFormat.BlockAlign,
(this.Configuration.InputFormat is WaveFormatEx) ? ((WaveFormatEx)this.Configuration.InputFormat).ExtraInfo : null);
// Specify the input stream and audio format
recognizer.SetInputToAudioStream(this.inputAudioStream, formatInfo);
return(recognizer);
}
/// <summary>
/// Creates a new speech recognition engine.
/// </summary>
/// <returns>A new speech recognition engine object.</returns>
private SpeechRecognitionEngine CreateSpeechRecognitionEngine()
{
// Create the speech recognition engine
var recognizer = MicrosoftSpeech.CreateSpeechRecognitionEngine(this.Configuration.Language, this.Configuration.Grammars);
// Attach the event handlers for speech recognition events
recognizer.LoadGrammarCompleted += this.OnLoadGrammarCompleted;
return(recognizer);
}
