public BotAudioProvider(RadioInformation receivedRadioInfo, ConcurrentQueue <byte[]> responseQueue)
{
LogClientId = receivedRadioInfo.name;
_speechAudioProvider = new BufferedWaveProvider(PcmMono16Ks16Le)
{
BufferDuration = new TimeSpan(0, 1, 0),
DiscardOnBufferOverflow = true,
ReadFully = false
};
_silence = new byte[_speechAudioProvider.WaveFormat.AverageBytesPerSecond * 2];
SpeechRecognitionListener = new SpeechRecognitionListener(_speechAudioProvider, responseQueue, receivedRadioInfo);
}
private bool startEnqueueAudio = true; //a flag to indicate whether to put received audio in the queue.
public EBookSpeechRecognizer(SpeechRecognitionListener listener)
{
this.listener = listener;
if (recEngine == null)
{
recEngine = new SpeechRecognitionEngine();
recEngine.EndSilenceTimeout = TimeSpan.FromMilliseconds(UNAMBIGUOUS_SILENCE_TIMEOUT);
recEngine.EndSilenceTimeoutAmbiguous = TimeSpan.FromMilliseconds(AMBIGUOUS_SILENCE_TIMEOUT);
recEngine.SpeechRecognized += recEngine_SpeechRecognized;
recEngine.SpeechHypothesized += recEngine_SpeechHypothesized;
recEngine.SpeechRecognitionRejected += recEngine_SpeechRecognitionRejected;
recEngine.SpeechDetected += recEngine_SpeechDetected;
recEngine.AudioStateChanged += recEngine_AudioStateChanged;
recEngine.LoadGrammarCompleted += recEngine_LoadGrammarCompleted;
recEngine.RecognizeCompleted += recEngine_RecognizeCompleted;
recEngine.AudioLevelUpdated += recEngine_AudioLevelUpdated;
}
}
