Example #1
0
        private void startAudio()
        {
            var audioSource = this.sensor.AudioSource;
            audioSource.BeamAngleMode = BeamAngleMode.Adaptive;

            // This should be off by default, but just to be explicit, this MUST be set to false.
            audioSource.AutomaticGainControlEnabled = false;
            var kinectStream = audioSource.Start();

            this.preSpeechRecognizer.SetInputToAudioStream(
                kinectStream, new SpeechAudioFormatInfo(EncodingFormat.Pcm, 16000, 16, 1, 32000, 2, null));
            // Keep recognizing speech until window closes
            this.preSpeechRecognizer.RecognizeAsync(RecognizeMode.Multiple);
            this.postSpeechRecognizer.SetInputToAudioStream(
                kinectStream, new SpeechAudioFormatInfo(EncodingFormat.Pcm, 16000, 16, 1, 32000, 2, null));
            // Keep recognizing speech until window closes
            this.postSpeechRecognizer.RecognizeAsync(RecognizeMode.Multiple);

            sensor = (from sensorToCheck in KinectSensor.KinectSensors where sensorToCheck.Status == KinectStatus.Connected select sensorToCheck).FirstOrDefault();
            sensor.Start();

            source = sensor.AudioSource;
            source.EchoCancellationMode = EchoCancellationMode.None; // No AEC for this sample
            source.AutomaticGainControlEnabled = false; // Important to turn this off for speech recognition

            ri = System.Speech.Recognition.SpeechRecognitionEngine.InstalledRecognizers().FirstOrDefault();

            recoEngine = new System.Speech.Recognition.SpeechRecognitionEngine(ri.Id);

            customDictationGrammar = new System.Speech.Recognition.DictationGrammar();
            customDictationGrammar.Name = "Dictation";
            customDictationGrammar.Enabled = true;

            recoEngine.LoadGrammar(customDictationGrammar);

            recoEngine.SpeechRecognized += new EventHandler<System.Speech.Recognition.SpeechRecognizedEventArgs>(recoEngine_SpeechRecognized);

            s = source.Start();
            recoEngine.SetInputToAudioStream(s, new System.Speech.AudioFormat.SpeechAudioFormatInfo(System.Speech.AudioFormat.EncodingFormat.Pcm, 16000, 16, 1, 32000, 2, null));
            recoEngine.RecognizeAsync(System.Speech.Recognition.RecognizeMode.Multiple);
        }
        public SpeechRecognitionEngine(RecognizerInfo recognizerInfo)
        {
            Helpers.ThrowIfNull(recognizerInfo, nameof(recognizerInfo));

            Initialize(recognizerInfo);
        }