/// <summary>
/// Initializes a new instance of the <see cref="SystemSpeechRecognizer"/> class.
/// </summary>
/// <param name="pipeline">The pipeline to add the component to.</param>
/// <param name="configuration">The component configuration.</param>
public SystemSpeechRecognizer(Pipeline pipeline, SystemSpeechRecognizerConfiguration configuration)
: base(pipeline)
{
this.Configuration = configuration ?? new SystemSpeechRecognizerConfiguration();
// create receiver of grammar updates
this.ReceiveGrammars = pipeline.CreateReceiver <IEnumerable <string> >(this, this.SetGrammars, nameof(this.ReceiveGrammars), true);
// assign the default Out emitter to the RecognitionResults group
this.originatingTimeConsistencyCheckGroup.Add(this.Out, EmitterGroup.RecognitionResults);
// create the additional output streams
this.PartialRecognitionResults = this.CreateEmitterInGroup <IStreamingSpeechRecognitionResult>(pipeline, nameof(this.PartialRecognitionResults), EmitterGroup.RecognitionResults);
this.IntentData = this.CreateEmitterInGroup <IntentData>(pipeline, nameof(this.IntentData), EmitterGroup.IntentData);
// create output streams for speech event args
this.SpeechDetected = this.CreateEmitterInGroup <SpeechDetectedEventArgs>(pipeline, nameof(this.SpeechDetected), EmitterGroup.SpeechEvents);
this.SpeechHypothesized = this.CreateEmitterInGroup <SpeechHypothesizedEventArgs>(pipeline, nameof(this.SpeechHypothesized), EmitterGroup.SpeechEvents);
this.SpeechRecognized = this.CreateEmitterInGroup <SpeechRecognizedEventArgs>(pipeline, nameof(this.SpeechRecognized), EmitterGroup.SpeechEvents);
this.SpeechRecognitionRejected = this.CreateEmitterInGroup <SpeechRecognitionRejectedEventArgs>(pipeline, nameof(this.SpeechRecognitionRejected), EmitterGroup.SpeechEvents);
this.RecognizeCompleted = this.CreateEmitterInGroup <RecognizeCompletedEventArgs>(pipeline, nameof(this.RecognizeCompleted), EmitterGroup.SpeechEvents);
this.EmulateRecognizeCompleted = this.CreateEmitterInGroup <EmulateRecognizeCompletedEventArgs>(pipeline, nameof(this.EmulateRecognizeCompleted), EmitterGroup.SpeechEvents);
// create output streams for audio state event args
this.AudioSignalProblemOccurred = this.CreateEmitterInGroup <AudioSignalProblemOccurredEventArgs>(pipeline, nameof(this.AudioSignalProblemOccurred), EmitterGroup.AudioEvents);
this.AudioStateChanged = this.CreateEmitterInGroup <AudioStateChangedEventArgs>(pipeline, nameof(this.AudioStateChanged), EmitterGroup.AudioEvents);
this.AudioLevelUpdated = this.CreateEmitterInGroup <AudioLevelUpdatedEventArgs>(pipeline, nameof(this.AudioLevelUpdated), EmitterGroup.AudioEvents);
// create output stream for the grammar event args
this.LoadGrammarCompleted = this.CreateEmitterInGroup <LoadGrammarCompletedEventArgs>(pipeline, nameof(this.LoadGrammarCompleted), EmitterGroup.StateUpdateEvents);
this.RecognizerUpdateReached = this.CreateEmitterInGroup <RecognizerUpdateReachedEventArgs>(pipeline, nameof(this.RecognizerUpdateReached), EmitterGroup.StateUpdateEvents);
// create table of last stream group originating times
this.lastPostedOriginatingTimes = new Dictionary <EmitterGroup, DateTime>();
// Create a BufferedAudioStream with an internal buffer large enough
// to accommodate the specified number of milliseconds of audio data.
this.inputAudioStream = new BufferedAudioStream(
this.Configuration.InputFormat.AvgBytesPerSec * this.Configuration.BufferLengthInMs / 1000);
this.recognizeComplete = new ManualResetEvent(false);
// create the recognition engine
this.speechRecognitionEngine = this.CreateSpeechRecognitionEngine();
}
/// <summary>
/// Initializes a new instance of the <see cref="SystemSpeechRecognizer"/> class.
/// </summary>
/// <param name="pipeline">The pipeline to add the component to.</param>
/// <param name="configuration">The component configuration.</param>
public SystemSpeechRecognizer(Pipeline pipeline, SystemSpeechRecognizerConfiguration configuration)
: base(pipeline)
{
pipeline.RegisterPipelineStartHandler(this, this.OnPipelineStart);
this.Configuration = configuration ?? new SystemSpeechRecognizerConfiguration();
// create receiver of grammar updates
this.ReceiveGrammars = pipeline.CreateReceiver <IEnumerable <string> >(this, this.SetGrammars, nameof(this.ReceiveGrammars), true);
// create the additional output streams
this.PartialRecognitionResults = pipeline.CreateEmitter <IStreamingSpeechRecognitionResult>(this, nameof(this.PartialRecognitionResults));
this.IntentData = pipeline.CreateEmitter <IntentData>(this, nameof(this.IntentData));
// create output streams for all the event args
this.SpeechDetected = pipeline.CreateEmitter <SpeechDetectedEventArgs>(this, nameof(this.SpeechDetected));
this.SpeechHypothesized = pipeline.CreateEmitter <SpeechHypothesizedEventArgs>(this, nameof(this.SpeechHypothesized));
this.SpeechRecognized = pipeline.CreateEmitter <SpeechRecognizedEventArgs>(this, nameof(this.SpeechRecognized));
this.SpeechRecognitionRejected = pipeline.CreateEmitter <SpeechRecognitionRejectedEventArgs>(this, nameof(this.SpeechRecognitionRejected));
this.AudioSignalProblemOccurred = pipeline.CreateEmitter <AudioSignalProblemOccurredEventArgs>(this, nameof(this.AudioSignalProblemOccurred));
this.AudioStateChanged = pipeline.CreateEmitter <AudioStateChangedEventArgs>(this, nameof(this.AudioStateChanged));
this.RecognizeCompleted = pipeline.CreateEmitter <RecognizeCompletedEventArgs>(this, nameof(this.RecognizeCompleted));
this.AudioLevelUpdated = pipeline.CreateEmitter <AudioLevelUpdatedEventArgs>(this, nameof(this.AudioLevelUpdated));
this.EmulateRecognizeCompleted = pipeline.CreateEmitter <EmulateRecognizeCompletedEventArgs>(this, nameof(this.EmulateRecognizeCompleted));
this.LoadGrammarCompleted = pipeline.CreateEmitter <LoadGrammarCompletedEventArgs>(this, nameof(this.LoadGrammarCompleted));
this.RecognizerUpdateReached = pipeline.CreateEmitter <RecognizerUpdateReachedEventArgs>(this, nameof(this.RecognizerUpdateReached));
// create table of last stream originating times
this.lastPostedOriginatingTimes = new Dictionary <IEmitter, DateTime>();
// Create a BufferedAudioStream with an internal buffer large enough
// to accommodate the specified number of milliseconds of audio data.
this.inputAudioStream = new BufferedAudioStream(
this.Configuration.InputFormat.AvgBytesPerSec * this.Configuration.BufferLengthInMs / 1000);
this.recognizeComplete = new ManualResetEvent(false);
// create the recognition engine
this.speechRecognitionEngine = this.CreateSpeechRecognitionEngine();
}