private void InitializeSpeech()
{
try
{
// First of all, let's create the main reco context object.
objRecoContext = new SpeechLib.SpSharedRecoContext();
// Then, let's set up the event handler. We only care about
// Hypothesis and Recognition events in this sample.
objRecoContext.Recognition += new
_ISpeechRecoContextEvents_RecognitionEventHandler(
RecoContext_Recognition);
grammar = objRecoContext.CreateGrammar(grammarId);
grammar.DictationLoad("", SpeechLoadOption.SLOStatic);
grammar.DictationSetState(SpeechLib.SpeechRuleState.SGDSActive);
speechInitialized = true;
statusBar.Text = "Speech recognition initialized";
}
catch (Exception e)
{
MessageBox.Show(
"Exception caught when initializing SAPI."
+ " This application may not run correctly.\r\n\r\n"
+ e.ToString(),
"Error");
}
}
private void comboBoxEx1_SelectedIndexChanged(object sender, EventArgs e)
{
_WAVFile = comboBoxEx1.SelectedText;
if (_WAVFile == null)
{
return;
}
wavRecoContext = new SpeechLib.SpInProcRecoContext();
((SpInProcRecoContext)wavRecoContext).Recognition +=
new _ISpeechRecoContextEvents_RecognitionEventHandler(wavRecoContext_Recognition);
((SpInProcRecoContext)wavRecoContext).EndStream +=
new _ISpeechRecoContextEvents_EndStreamEventHandler(wavRecoContext_EndStream);
Grammar = wavRecoContext.CreateGrammar(0);
Grammar.DictationLoad("", SpeechLoadOption.SLOStatic);
InputWAV = new SpFileStream();
InputWAV.Open(@_WAVFile, SpeechStreamFileMode.SSFMOpenForRead, false);
wavRecoContext.Recognizer.AudioInputStream = InputWAV;
Grammar.DictationSetState(SpeechRuleState.SGDSActive);
}
private void labelX1_Click(object sender, EventArgs e)
{
try
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.Title = "Select a Speech file";
dialog.ShowDialog();
_WAVFile = dialog.FileName;
if (_WAVFile == null)
{
return;
}
comboBoxEx1.Items.Add(dialog.FileName);
comboBoxEx1.SelectedText = dialog.FileName;
wavRecoContext = new SpeechLib.SpInProcRecoContext();
((SpInProcRecoContext)wavRecoContext).Recognition +=
new _ISpeechRecoContextEvents_RecognitionEventHandler(wavRecoContext_Recognition);
((SpInProcRecoContext)wavRecoContext).EndStream +=
new _ISpeechRecoContextEvents_EndStreamEventHandler(wavRecoContext_EndStream);
Grammar = wavRecoContext.CreateGrammar(0);
Grammar.DictationLoad("", SpeechLoadOption.SLOStatic);
InputWAV = new SpFileStream();
InputWAV.Open(@_WAVFile, SpeechStreamFileMode.SSFMOpenForRead, false);
wavRecoContext.Recognizer.AudioInputStream = InputWAV;
Grammar.DictationSetState(SpeechRuleState.SGDSActive);
}
catch (Exception er)
{
//MessageBox.Show("An Error Occured!", "SpeechApp", MessageBoxButtons.OK, MessageBoxIcon.Error);
System.Console.WriteLine(er.ToString());
}
}
private void InitializeSpeech()
{
try
{
// First of all, let's create the main reco context object.
objRecoContext = new SpeechLib.SpSharedRecoContext();
// Then, let's set up the event handler. We only care about
// Hypothesis and Recognition events in this sample.
objRecoContext.Recognition += new
_ISpeechRecoContextEvents_RecognitionEventHandler(
RecoContext_Recognition);
grammar = objRecoContext.CreateGrammar(grammarId);
grammar.DictationLoad("", SpeechLoadOption.SLOStatic);
grammar.DictationSetState(SpeechLib.SpeechRuleState.SGDSActive);
speechInitialized = true;
statusBar.Text = "Speech recognition initialized";
}
catch(Exception e)
{
MessageBox.Show(
"Exception caught when initializing SAPI."
+ " This application may not run correctly.\r\n\r\n"
+ e.ToString(),
"Error");
}
}
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.Title = "Select a Speech file";
dialog.ShowDialog();
_WAVFile = dialog.FileName;
if (_WAVFile == null)
{
return;
}
//***********************************************
// Now we have the WAV file, we can set up the
// inline SPeech Engine to process it
//***********************************************
// create the recognition context
wavRecoContext = new SpeechLib.SpInProcRecoContext();
//******************************************************************
// Register our event as a listener on the Recognition event
// that way, anytime the speech engine thinks it "hears" something
// that it recognize, we're called to check it out for ourselves
//********************************************************************
((SpInProcRecoContext)wavRecoContext).Recognition +=
new _ISpeechRecoContextEvents_RecognitionEventHandler(wavRecoContext_Recognition);
//******************************************************************
// Register a method on the endStream event so we can do basic clean-up
// when the Audio file is finished
//******************************************************************
((SpInProcRecoContext)wavRecoContext).EndStream += new _ISpeechRecoContextEvents_EndStreamEventHandler(wavRecoContext_EndStream);
//*************************************************************************
// the parameter passed to CreateGrammar is any int. It is only used as if
// you have more than one grammar active, so you can specify which one is
// to be used....
//*************************************************************************
Grammar = wavRecoContext.CreateGrammar(1);
// I simply use the default Frammar for dictation
Grammar.DictationLoad("", SpeechLoadOption.SLOStatic);
//*************************************************************************
//Speech engine is now ready to go, so set it to the
// audio file TO do this, we open the requested file
// using the SPeechStreamFileMode, and pass that to the
// speech engine to use as its input source
//*************************************************************************
InputWAV = new SpFileStream();
InputWAV.Open(@_WAVFile, SpeechStreamFileMode.SSFMOpenForRead, false);
wavRecoContext.Recognizer.AudioInputStream = InputWAV;
//*************************************************************************
// the way you "Turn On" the speech engine is by setting the Diction State
// of its grammar to "Active"
//*************************************************************************
Grammar.DictationSetState(SpeechRuleState.SGDSActive);
//*************************************************************************
// the result will be handled by wavRecoContext_Recognition()
//*************************************************************************
}
