private void SreSpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
//This first release of the Kinect language pack doesn't have a reliable confidence model, so
//we don't use e.Result.Confidence here.
ProgessResponse pr = new ProgessResponse()
{
Confidence = e.Result.Confidence,
Message = e.Result.Text
};
//if (e.Result.Confidence > minimumConfidence)
//{
// //backgroundWorker1.ReportProgress(0, String.Format("Speech Recognized: {0} confidence:{1}", e.Result.Text, e.Result.Confidence));
if (!testingMode)
{
backgroundWorker1.ReportProgress(0, pr);
}
//}
//else
//{
// //backgroundWorker1.ReportProgress(0, String.Format("Speech NOT Recognized: {0} confidence:{1}", e.Result.Text, e.Result.Confidence));
//}
}
public void CallTestingMessage(string message)
{// fake a particular message coming int, to facilitate testing
testingMode = true;
ProgessResponse pr = new ProgessResponse()
{
Confidence = 1,
Message = message
};
backgroundWorker1.ReportProgress(0, pr);
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
List <string> words = (List <string>)e.Argument;
ProgessResponse response = new ProgessResponse()
{
};
using (var source = new KinectAudioSource())
{
source.FeatureMode = true;
source.AutomaticGainControl = false; //Important to turn this off for speech recognition
source.SystemMode = SystemMode.OptibeamArrayOnly; //No AEC for this sample
RecognizerInfo ri = SpeechRecognitionEngine.InstalledRecognizers().Where(r => r.Id == RecognizerId).FirstOrDefault();
if (ri == null)
{
response.Message = "Could not find speech recognizer: {0}. Please refer to the sample requirements." + RecognizerId;
backgroundWorker1.ReportProgress(0, response);
return;
}
response.Message = "Using: {0}" + ri.Name;
backgroundWorker1.ReportProgress(0, response);
using (var sre = new SpeechRecognitionEngine(ri.Id))
{
var wordChoices = new Choices();
foreach (string word in words)
{
wordChoices.Add(word);
//backgroundWorker1.ReportProgress(0, "added: " + word);
}
response.Message = "speech listener started";
backgroundWorker1.ReportProgress(0, response);
var gb = new GrammarBuilder();
//Specify the culture to match the recognizer in case we are running in a different culture.
gb.Culture = ri.Culture;
gb.Append(wordChoices);
// Create the actual Grammar instance, and then load it into the speech recognizer.
var g = new Grammar(gb);
sre.LoadGrammar(g);
sre.SpeechRecognized += SreSpeechRecognized;
sre.SpeechHypothesized += SreSpeechHypothesized;
sre.SpeechRecognitionRejected += SreSpeechRecognitionRejected;
using (Stream s = source.Start())
{
sre.SetInputToAudioStream(s, new SpeechAudioFormatInfo(EncodingFormat.Pcm, 16000, 16, 1, 32000, 2, null));
sre.RecognizeAsync(RecognizeMode.Multiple);
bool cancel = false;
while (cancel == false)
{
if (backgroundWorker1.CancellationPending)
{
// Set the e.Cancel flag so that the WorkerCompleted event
// knows that the process was cancelled.
e.Cancel = true;
cancel = true;
break;
}
Thread.Sleep(10);
}
sre.RecognizeAsyncStop();
}
}
}
}
public void MessageReceived(object sender, EventArgs e)
{
ProgessResponse response = kl.Message;
if (response.Message == "move")
{
if (rightOn || testMode)
{
txtMode.Background = Brushes.Green;
modeIndicator.Background = Brushes.Green;
ListenMode = response.Message;
txtMode.Text = ListenMode;
}
else
{
txtMode.Background = Brushes.Red;
modeIndicator.Background = Brushes.Red;
txtMode.Text = "must have right hands up to move image";
}
}
else if (response.Message == "scale")
{
if ((rightOn && leftOn) || testMode)
{
txtMode.Background = Brushes.Green;
ListenMode = response.Message;
txtMode.Text = ListenMode;
modeIndicator.Background = Brushes.Green;
}
else
{
txtMode.Text = "must have both hands up to scale";
txtMode.Background = Brushes.Red;
modeIndicator.Background = Brushes.Red;
}
}
else if (response.Message == "rotate")
{
if ((rightOn && leftOn) || testMode)
{
txtMode.Background = Brushes.Green;
modeIndicator.Background = Brushes.Green;
ListenMode = response.Message;
txtMode.Text = ListenMode;
}
else
{
txtMode.Text = "must have both hands up to rotate";
txtMode.Background = Brushes.Red;
modeIndicator.Background = Brushes.Red;
}
}
else if (response.Message == "picture")
{
isVideo = false;
image.Source = video.Source;
txtMode.Text = "waiting on instructions: (" + response.Confidence + ")";
ListenMode = "stop";
txtMode.Background = Brushes.Blue;
modeIndicator.Background = Brushes.Blue;
}
else if (response.Message == "video")
{
//image.Source = video.Source;
txtMode.Text = "waiting on instructions: (" + response.Confidence + ")";
ListenMode = "stop";
txtMode.Background = Brushes.Blue;
isVideo = true;
modeIndicator.Background = Brushes.Blue;
}
else
{
txtMode.Text = "waiting on instructions: (" + response.Confidence + ")";
ListenMode = "stop";
txtMode.Background = Brushes.Blue;
modeIndicator.Background = Brushes.Blue;
}
}