private void ConfigureRealSenseSpeech()
{
// Instantiate session and audio source objects
session = PXCMSession.CreateInstance();
audioSource = session.CreateAudioSource();
// Select the first audio device
PXCMAudioSource.DeviceInfo deviceInfo;
deviceInfo = new PXCMAudioSource.DeviceInfo();
audioSource.QueryDeviceInfo(0, out deviceInfo);
audioSource.SetDevice(deviceInfo);
// Set the audio recording volume
audioSource.SetVolume(0.2f);
// Create a speech recognition instance
session.CreateImpl <PXCMSpeechRecognition>(out speechRecognition);
// Initialize the speech recognition module
PXCMSpeechRecognition.ProfileInfo profileInfo;
speechRecognition.QueryProfile(0, out profileInfo);
profileInfo.language = PXCMSpeechRecognition.LanguageType.LANGUAGE_US_ENGLISH;
speechRecognition.SetProfile(profileInfo);
// Build and set the active grammar
pxcmStatus status = speechRecognition.BuildGrammarFromFile(1, PXCMSpeechRecognition.GrammarFileType.GFT_JSGF, "grammarsvm.jsgf");
if (status == pxcmStatus.PXCM_STATUS_NO_ERROR)
{
speechRecognition.SetGrammar(1);
}
else
{
MessageBox.Show("Java Speech Grammar Format (JSGF) file not found!");
this.Close();
}
// Display device information
//lblDeviceInfo.Content = string.Format("[Device: {0}, Language Profile: {1}]", deviceInfo.name, profileInfo.language);
// Set the speech recognition handler
PXCMSpeechRecognition.Handler handler = new PXCMSpeechRecognition.Handler();
handler.onRecognition = OnRecognition;
speechRecognition.StartRec(null, handler);
}
bool SetGrammarFromFile(String GrammarFilename)
{
Int32 grammar = 1;
pxcmStatus sts = sr.BuildGrammarFromFile(grammar, PXCMSpeechRecognition.GrammarFileType.GFT_NONE, GrammarFilename);
if (sts < pxcmStatus.PXCM_STATUS_NO_ERROR)
{
form.PrintStatus("Grammar Compile Errors:");
form.PrintStatus(sr.GetGrammarCompileErrors(grammar));
return(false);
}
sts = sr.SetGrammar(grammar);
if (sts < pxcmStatus.PXCM_STATUS_NO_ERROR)
{
return(false);
}
return(true);
}
