/// <summary>
/// Adds a new grammar to the SREs
/// </summary>
/// <param name="name">the name of the grammar</param>
/// <param name="xml">the grammar xml string</param>
public void AddGrammar(string name, string xml)
{
grammars.Add(name, xml);
foreach (var kv in mics)
{
var gram = new CombinedGrammar(name, xml);
Microphone mic = kv.Value;
mic.Sre.RequestRecognizerUpdate();
mic.Sre.LoadGrammarAsync(gram.compiled);
}
}
/// <summary>
/// Adds a new microphone instance
/// </summary>
/// <param name="instance">The instance id of the microphone</param>
/// <param name="stream">The audio stream</param>
/// <param name="status">The status of the microphone</param>
/// <param name="shouldBeOn">Whether the speech recognition engine should be turned on</param>
public void AddInputMic(string instance, UDPClient client, string status, bool shouldBeOn)
{
try
{
var sre = new SpeechRecognitionEngine(new CultureInfo("en-US"));
sre.SetInputToAudioStream(client.AudioStream, new SpeechAudioFormatInfo(16000, AudioBitsPerSample.Sixteen, AudioChannel.Mono));
sre.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(RecognitionHandler);
sre.SpeechRecognitionRejected += new EventHandler<SpeechRecognitionRejectedEventArgs>(RecognitionRejectedHandler);
DictationGrammar customDictationGrammar = new DictationGrammar("grammar:dictation");
customDictationGrammar.Name = "dictation";
customDictationGrammar.Enabled = true;
sre.LoadGrammar(customDictationGrammar);
mics.Add(instance, new Microphone(sre,client, status, shouldBeOn,port));
foreach (var g in grammars)
{
var gram = new CombinedGrammar(g.Key, g.Value);
sre.LoadGrammarAsync(gram.compiled);
}
if (shouldBeOn)
{
sre.RecognizeAsync(RecognizeMode.Multiple);
}
}
catch (IOException)
{
//negotiating connection with mic failed.
}
}
