protected override void Dispose(bool disposing)
{
if (disposing)
{
if (mRecognizer != null)
{
mRecognizer.Dispose();
}
mRecognizer = null;
if (mInput != null)
{
mInput.Dispose();
}
mInput = null;
}
base.Dispose(disposing);
}
public SpeechService(ServiceCreationInfo info)
: base("speech", info)
{
mVoice = new SpVoice();
// Select voice
string voiceName = null;
try
{
voiceName = info.Configuration.Voice;
}
catch (RuntimeBinderException) {}
if (!string.IsNullOrEmpty(voiceName))
{
SpObjectToken voiceToken = null;
CultureInfo culture = new CultureInfo("en-US");
foreach (var voice in mVoice.GetVoices())
{
var token = voice as SpObjectToken;
if (token == null)
continue;
if (culture.CompareInfo.IndexOf(token.Id, voiceName, CompareOptions.IgnoreCase) < 0)
continue;
voiceToken = token;
}
if (voiceToken != null)
mVoice.Voice = voiceToken;
}
// Select output. Why isn't this default any longer?
var enumerator = new MMDeviceEnumerator();
MMDevice endpoint = enumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Console);
if (endpoint != null)
{
foreach (var output in mVoice.GetAudioOutputs())
{
var token = output as SpObjectToken;
if (token == null)
continue;
if (token.Id.IndexOf(endpoint.ID) < 0)
continue;
mVoice.AudioOutput = token;
break;
}
}
mVoiceCommands = new Dictionary<string, DeviceBase.VoiceCommand>();
mInput = new AudioInput();
mRecognizer = new SpeechRecognitionEngine();
mRecognizer.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(OnSpeechRecognized);
mRecognizer.RecognizerUpdateReached += new EventHandler<RecognizerUpdateReachedEventArgs>(OnUpdateRecognizer);
mRecognizer.RecognizeCompleted += new EventHandler<RecognizeCompletedEventArgs>(OnRecognizeCompleted);
var grammar = new Grammar(new GrammarBuilder(new Choices(new string[] { "computer" })));
mRecognizer.LoadGrammar(grammar);
var speechFormat = new SpeechAudioFormatInfo(44100, AudioBitsPerSample.Sixteen, AudioChannel.Mono);
mRecognizer.SetInputToAudioStream(mInput.mStream, speechFormat);
mRecognizer.RecognizeAsync(RecognizeMode.Multiple);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (mRecognizer != null)
mRecognizer.Dispose();
mRecognizer = null;
if (mInput != null)
mInput.Dispose();
mInput = null;
}
base.Dispose(disposing);
}
public SpeechService(ServiceCreationInfo info)
: base("speech", info)
{
mVoice = new SpVoice();
// Select voice
string voiceName = null;
try
{
voiceName = info.Configuration.Voice;
}
catch (RuntimeBinderException) {}
if (!string.IsNullOrEmpty(voiceName))
{
SpObjectToken voiceToken = null;
CultureInfo culture = new CultureInfo("en-US");
foreach (var voice in mVoice.GetVoices())
{
var token = voice as SpObjectToken;
if (token == null)
{
continue;
}
if (culture.CompareInfo.IndexOf(token.Id, voiceName, CompareOptions.IgnoreCase) < 0)
{
continue;
}
voiceToken = token;
}
if (voiceToken != null)
{
mVoice.Voice = voiceToken;
}
}
// Select output. Why isn't this default any longer?
var enumerator = new MMDeviceEnumerator();
MMDevice endpoint = enumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Console);
if (endpoint != null)
{
foreach (var output in mVoice.GetAudioOutputs())
{
var token = output as SpObjectToken;
if (token == null)
{
continue;
}
if (token.Id.IndexOf(endpoint.ID) < 0)
{
continue;
}
mVoice.AudioOutput = token;
break;
}
}
mVoiceCommands = new Dictionary <string, DeviceBase.VoiceCommand>();
mInput = new AudioInput();
mRecognizer = new SpeechRecognitionEngine();
mRecognizer.SpeechRecognized += new EventHandler <SpeechRecognizedEventArgs>(OnSpeechRecognized);
mRecognizer.RecognizerUpdateReached += new EventHandler <RecognizerUpdateReachedEventArgs>(OnUpdateRecognizer);
mRecognizer.RecognizeCompleted += new EventHandler <RecognizeCompletedEventArgs>(OnRecognizeCompleted);
var grammar = new Grammar(new GrammarBuilder(new Choices(new string[] { "computer" })));
mRecognizer.LoadGrammar(grammar);
var speechFormat = new SpeechAudioFormatInfo(44100, AudioBitsPerSample.Sixteen, AudioChannel.Mono);
mRecognizer.SetInputToAudioStream(mInput.mStream, speechFormat);
mRecognizer.RecognizeAsync(RecognizeMode.Multiple);
}
