private async void InitRecognitionEngine()
{
try
{
speechRecognizer = new SpeechRecognizer(new Language(languageTag));
}
catch
{
speechRecognizer = new SpeechRecognizer();
}
speechRecognizer.Constraints.Add(new SpeechRecognitionListConstraint(GetCommandsText(), "tag1"));
//var op = speechRecognizer.CompileConstraintsAsync();
//op.AsTask().Wait();
////var a = op.GetResults();
//var op2 = speechRecognizer.RecognizeAsync();
//op2.AsTask().Wait();
//SpeechRecognitionResult result = op2.GetResults();
//if (result.Status == SpeechRecognitionResultStatus.Success)
//{
//}
var a = await speechRecognizer.CompileConstraintsAsync();
var b = a;
SpeechRecognitionResult result = await speechRecognizer.RecognizeAsync();
//if (result.Status == SpeechRecognitionResultStatus.Success)
// phoneNumber = result.Text;
// var cultureInfo = new CultureInfo("ru-RU");
// //var cultureInfo = new CultureInfo("en-US");
// Thread.CurrentThread.CurrentCulture = cultureInfo;
// Thread.CurrentThread.CurrentUICulture = cultureInfo;
// /*
// •en-GB. English (United Kingdom)
// •en-US. English (United States)
// •de-DE. German (Germany)
// •es-ES. Spanish (Spain)
// •fr-FR. French (France)
// •ja-JP. Japanese (Japan)
// •zh-CN. Chinese (China)
// •zh-TW. Chinese (Taiwan)
// */
// var commands = GetCommandsText();
// var choices = new Choices(commands);
// var builder = new GrammarBuilder(choices);
// builder.Culture = cultureInfo;
// recognitionEngine = new SpeechRecognitionEngine();// (cultureInfo);
// recognitionEngine.SetInputToDefaultAudioDevice();
// recognitionEngine.UnloadAllGrammars();
// recognitionEngine.LoadGrammar(new Grammar(builder));
// //recognitionEngine.LoadGrammar(new DictationGrammar()); // любой текст
// recognitionEngine.SpeechRecognized += recognitionEngine_SpeechRecognized;
// recognitionEngine.RecognizeAsync(RecognizeMode.Multiple);
}
private async void InitializeSpeechRecognizer()
{
try
{
if (speechRecognizer != null)
{
speechRecognizer.RecognizeAsync().Cancel();
speechRecognizer.RecognizeAsync().Close();
this.speechRecognizer.Dispose();
this.speechRecognizer = null;
}
speechRecognizer = new SpeechRecognizer();
var topicConstraing = new SpeechRecognitionTopicConstraint(SpeechRecognitionScenario.Dictation, "Development");
speechRecognizer.Constraints.Add(topicConstraing);
await speechRecognizer.CompileConstraintsAsync();
this.Operation = await speechRecognizer.RecognizeAsync();
if (Operation.Status == SpeechRecognitionResultStatus.Success)
{
ResultGenerated(Operation.Text);
speechRecognizer.RecognizeAsync().Cancel();
speechRecognizer.Dispose();
speechRecognizer = null;
}
}
catch (Exception)
{
}
}
private async void btnSpeechRecognize_Click(object sender, RoutedEventArgs e)
{
string phoneNumber = string.Empty;
using (SpeechRecognizer recognizer = new SpeechRecognizer())
{
recognizer.Constraints.Add(new SpeechRecognitionTopicConstraint
(SpeechRecognitionScenario.FormFilling, "Phone"));
await recognizer.CompileConstraintsAsync();
recognizer.Timeouts.InitialSilenceTimeout = TimeSpan.FromSeconds(5);
recognizer.Timeouts.EndSilenceTimeout = TimeSpan.FromSeconds(20);
try
{
SpeechRecognitionResult result = await recognizer.RecognizeAsync();
if (result.Status == SpeechRecognitionResultStatus.Success)
{
tbPhoneNumber.Text = result.Text;
}
else
{
tbPhoneNumber.Text = result.Status.ToString();
}
}
catch (UnauthorizedAccessException ex)
{
await new MessageDialog(ex.Message).ShowAsync();
//TODO: Redirect user to Settings to grant permission to the app
}
}
}
//Trigger this function to start speech recognition
private async void StartRecognition()
{
Status.Fill = new SolidColorBrush(Color.FromArgb(255, 0, 200, 70));
isListening = true;
await userInput.CompileConstraintsAsync();
SpeechRecognitionResult theResult = await userInput.RecognizeAsync();
textBlock.Text = theResult.Text;
SpeechSynthesisStream feedbackStream = await feedback.SynthesizeTextToStreamAsync("Ok!");
//Uncomment this if you want to play feedback on the computer.
//media.SetSource(feedbackStream, feedbackStream.ContentType);
if (theResult.Text.Contains("red") || theResult.Text.Contains("angry") || theResult.Text.Contains("manchester") || theResult.Text.Contains("rose"))
{
changeColor("r");
}
else if (theResult.Text.Contains("blue") || theResult.Text.Contains("sad") || theResult.Text.Contains("chelsea") || theResult.Text.Contains("sea") || theResult.Text.Contains("ocean"))
{
changeColor("b");
}
else if (theResult.Text.Contains("green") || theResult.Text.Contains("forest") || theResult.Text.Contains("leaf") || theResult.Text.Contains("jealousy") || theResult.Text.Contains("tree") || theResult.Text.Contains("hulk") || theResult.Text.Contains("gamora"))
{
changeColor("g");
}
else if (theResult.Text.Contains("yellow") || theResult.Text.Contains("pikachu") || theResult.Text.Contains("cheese") || theResult.Text.Contains("gold") || theResult.Text.Contains("sponge") || theResult.Text.Contains("banana"))
{
changeColor("y");
}
else if (theResult.Text.Contains("white") || theResult.Text.Contains("bright") || theResult.Text.Contains("cloud") || theResult.Text.Contains("paper"))
{
changeColor("w");
}
else if (theResult.Text.Contains("purple") || theResult.Text.Contains("thanos") || theResult.Text.Contains("junk"))
{
changeColor("p");
}
else if (theResult.Text.Contains("rainbow") || theResult.Text.Contains("fade") || theResult.Text.Contains("multi"))
{
changeColor("x");
}
else if (theResult.Text.Contains("disco") || theResult.Text.Contains("random") || theResult.Text.Contains("colourful") || theResult.Text.Contains("beat"))
{
changeColor("d");
}
else if (theResult.Text.Contains("iron") || theResult.Text.Contains("marvel") || theResult.Text.Contains("flash"))
{
changeColor("k");
}
else if (theResult.Text.Contains("razor") || theResult.Text.Contains("razer") || theResult.Text.Contains("samsung"))
{
changeColor("!");
}
else if (theResult.Text.Contains("turn off") || theResult.Text.Contains("dark") || theResult.Text.Contains("black") || theResult.Text.Contains("empty"))
{
changeColor("e");
}
isListening = false;
Status.Fill = new SolidColorBrush(Color.FromArgb(255, 200, 0, 0));
}
private static async Task <SpeechViewModel> EnableSpeechRecognition()
{
SpeechViewModel svm = new SpeechViewModel
{
PromptMessage = "Speak."
};
SpeechFactory factory = SpeechFactory.FromSubscription("a5a9e9b4c6164808be0c34ccd4d1e598", "westus");
// Creates a SpeechRecognizer to accept audio input from the user
SpeechRecognizer recognizer = factory.CreateSpeechRecognizer();
// Accepts audio input from the user to recognize speech
SpeechRecognitionResult result = await recognizer.RecognizeAsync();
// Acts on recognized speech from audio input
if (result.RecognitionStatus != RecognitionStatus.Recognized)
{
Console.WriteLine($"Recognition status: {result.RecognitionStatus.ToString()}");
if (result.RecognitionStatus == RecognitionStatus.Canceled)
{
svm.ResultMessage = $"There was an error, reason: {result.RecognitionFailureReason}";
}
else
{
svm.ResultMessage = "No speech could be recognized.\n";
}
}
else
{
svm.ResultMessage = $"{result.Text}";
}
return(svm);
}
private async void OnListenAsync(object sender, RoutedEventArgs e)
{
buttonOnListen.IsEnabled = false;
// Start recognition.
try
{
recognitionOperation = speechRecognizer.RecognizeAsync();
SpeechRecognitionResult speechRecognitionResult = await recognitionOperation;
// If successful, display the recognition result.
if (speechRecognitionResult.Status == SpeechRecognitionResultStatus.Success)
{
// Access to the recognized text through speechRecognitionResult.Text;
}
else
{
// Handle speech recognition failure
}
}
catch (TaskCanceledException exception)
{
// TaskCanceledException will be thrown if you exit the scenario while the recognizer is actively
// processing speech. Since this happens here when we navigate out of the scenario, don't try to
// show a message dialog for this exception.
System.Diagnostics.Debug.WriteLine("TaskCanceledException caught while recognition in progress (can be ignored):");
System.Diagnostics.Debug.WriteLine(exception.ToString());
}
catch (Exception exception)
{
var messageDialog = new Windows.UI.Popups.MessageDialog(exception.Message, "Exception");
await messageDialog.ShowAsync();
}
buttonOnListen.IsEnabled = true;
}
public async Task <string> RecordSpeechFromMicrophoneAsync()
{
string recognizedText = string.Empty;
using (SpeechRecognizer recognizer = new SpeechRecognizer(SpeechRecognizer.SystemSpeechLanguage))
{
recognizer.Constraints.Add(new SpeechRecognitionListConstraint(acceptedUserInput));
await recognizer.CompileConstraintsAsync();
SpeechRecognitionResult result = await recognizer.RecognizeAsync();
StringBuilder stringBuilder = new StringBuilder();
if (result.Status == SpeechRecognitionResultStatus.Success)
{
if (result.Confidence == SpeechRecognitionConfidence.High)
{
stringBuilder.Append(result.Text);
}
else
{
IReadOnlyList <SpeechRecognitionResult> alternatives =
result.GetAlternates(1);
if (alternatives.First().RawConfidence > 0.5)
{
stringBuilder.Append(alternatives.First().Text);
}
}
recognizedText = stringBuilder.ToString();
}
}
return(recognizedText);
}
private async Task <SpeechRecognitionResult> Ask(string question, int timeout = 0, IEnumerable <string> responses = null)
{
await Say(question);
_speechRecognizer.UIOptions.AudiblePrompt = question;
if (timeout != 0)
{
_speechRecognizer.Timeouts.InitialSilenceTimeout = new TimeSpan(0, 0, timeout);
}
else
{
// Set this timeout as Default
_speechRecognizer.Timeouts.InitialSilenceTimeout = new TimeSpan(0, 0, 30);
}
if (responses != null)
{
var listConstraint = new Windows.Media.SpeechRecognition.SpeechRecognitionListConstraint(responses, "answers");
_speechRecognizer.Constraints.Clear();
_speechRecognizer.Constraints.Add(listConstraint);
await _speechRecognizer.CompileConstraintsAsync();
}
else if (_speechRecognizer.Constraints.Any())
{
_speechRecognizer.Constraints.Clear();
await _speechRecognizer.CompileConstraintsAsync();
}
var result = await _speechRecognizer.RecognizeAsync();
return(result);
}
public static async void RecognizeSpeech()
{
SpeechRecognizer recognizer = new SpeechRecognizer();
recognizer.Timeouts.BabbleTimeout = System.TimeSpan.FromSeconds(120.0);
recognizer.Timeouts.EndSilenceTimeout = System.TimeSpan.FromSeconds(120.0);
recognizer.Timeouts.InitialSilenceTimeout = System.TimeSpan.FromSeconds(120.0);
SpeechRecognitionTopicConstraint topicConstraint = new SpeechRecognitionTopicConstraint(SpeechRecognitionScenario.Dictation, "Message");
recognizer.Constraints.Add(topicConstraint);
await recognizer.CompileConstraintsAsync();
try {
SpeechRecognitionResult result = await recognizer.RecognizeAsync();
//use result.GetAlternates for more precisivion
if (result.Confidence != SpeechRecognitionConfidence.Rejected)
{
if (result.Text != "")
{
string speechResult = result.Text.Remove(result.Text.Length - 1);
int num;
bool isNumber = Int32.TryParse(speechResult, out num);
if (isNumber)
{
MainPage.SetAudioTempCommand(speechResult);
}
else
{
UiUtils.ShowNotification("Your message could not be parsed as number. Please specify a number!");
}
}
else
{
UiUtils.ShowNotification("Your message could not be parsed. Please repeat!");
}
}
else
{
UiUtils.ShowNotification("Sorry, could not get that. Can you repeat?");
}
}catch (Exception ex)
{
const int privacyPolicyHResult = unchecked ((int)0x80045509);
const int networkNotAvailable = unchecked ((int)0x80045504);
if (ex.HResult == privacyPolicyHResult)
{
UiUtils.ShowNotification("You will need to accept the speech privacy policy in order to use speech recognition in this app. Consider activating `Get to know me` in 'Settings->Privacy->Speech, inking & typing`");
}
else if (ex.HResult == networkNotAvailable)
{
UiUtils.ShowNotification("The network connection is not available");
}
else
{
var t = ex.Message;
}
}
}
private async void MainPage_Loaded(object sender, RoutedEventArgs e)
{
sR = new SpeechRecognizer();
//set time
//load grammar file
var gf = await StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appx:///grammar.xml"));
//add the constraint to the speach recogniser
sR.Constraints.Add(new SpeechRecognitionGrammarFileConstraint(gf));
var result = await sR.CompileConstraintsAsync();
Debug.WriteLine(" not start");
if (result.Status == SpeechRecognitionResultStatus.Success)
{
Debug.WriteLine("start");
while (true)
{
SpeechRecognitionResult srr = await sR.RecognizeAsync();
// use the semantic interpretation engine
// to get the commands
string myCommand = srr.SemanticInterpretation.Properties["command"].Single();
string ruleID = srr.RulePath[0];
var md = new Windows.UI.Popups.MessageDialog(myCommand, "User said this " + ruleID);
// var md = new Windows.UI.Popups.MessageDialog(srr.Text, "User said this ");
await md.ShowAsync();
}
}
}
// start a speech recognition session and capture the results
private async void speechButton_Click(object sender, RoutedEventArgs e)
{
speechButton.Content = "Listening...";
speechButton.IsEnabled = false;
// Create an instance of SpeechRecognizer.
using (var speechRecognizer = new SpeechRecognizer())
{
// Compile the dictation grammar by default.
await speechRecognizer.CompileConstraintsAsync();
// Start recognition.
SpeechRecognitionResult speechRecognitionResult = await speechRecognizer.RecognizeAsync();
// output result
speechOutputBox.Text = speechRecognitionResult.Text;
speechButton.Content = "Speak";
speechButton.IsEnabled = true;
//speechInputSubmitted(speechRecognitionResult);
bool correctGuess = false;
try
{
correctGuess = mapLearner.guess(speechRecognitionResult);
}
catch (ArgumentNullException) { }
finally
{
AnswerSubmitted(correctGuess);
}
}
}
}//前台识别声音
public async Task <string> BackGroundRec()
{
string Result = "";
try
{
using (SpeechRecognizer recognizer = new SpeechRecognizer())
{
SpeechRecognitionCompilationResult compilationResult = await recognizer.CompileConstraintsAsync();
if (compilationResult.Status == SpeechRecognitionResultStatus.Success)
{
recognizer.UIOptions.IsReadBackEnabled = false;
recognizer.UIOptions.ShowConfirmation = false;
recognizer.UIOptions.AudiblePrompt = "我在听,请说...";
//SpeechRecognitionResult recognitionResult = await recognizer.RecognizeWithUIAsync();
SpeechRecognitionResult recognitionResult = await recognizer.RecognizeAsync();
if (recognitionResult.Status == SpeechRecognitionResultStatus.Success)
{
Result = recognitionResult.Text;
}
}
}
}
catch (Exception ex)
{
Result = ex.Message;
}
return(Result);
}//后台常驻声音
private async Task StartRecognizeAsync()
{
try
{
var speechRecognizer = new SpeechRecognizer();
speechRecognizer.Grammars.AddGrammarFromList(
"answer",
_words);
while (!_pleaseFinish)
{
var result = await speechRecognizer.RecognizeAsync();
if (result.TextConfidence != SpeechRecognitionConfidence.Rejected)
{
ProcessResult(result);
}
else
{
Debug.WriteLine("No text!");
}
}
}
finally
{
_isRunning = false;
}
}
private async void StartVoiceRecognition()
{
await SpeakText( "Say Captains Log at any time to create a log entry." );
speechRecognizerCaptainsLogCommand = new SpeechRecognizer();
while ( !cancellationSource.IsCancellationRequested )
{
// Listen for user to say "Captains Log"
ISpeechRecognitionConstraint commandConstraint =
new SpeechRecognitionListConstraint( new[] { "Captains Log", "Computer Captains Log" } );
speechRecognizerCaptainsLogCommand.Constraints.Add( commandConstraint );
await speechRecognizerCaptainsLogCommand.CompileConstraintsAsync();
SpeechRecognitionResult commandResult = await speechRecognizerCaptainsLogCommand.RecognizeAsync();
if ( commandResult.Status != SpeechRecognitionResultStatus.Success
|| commandResult.Confidence == SpeechRecognitionConfidence.Rejected
|| cancellationSource.IsCancellationRequested )
{
continue;
}
// Recognized user saying "Captains Log"
// Listen for the user's dictation entry
var captainsLogDictationRecognizer = new SpeechRecognizer();
ISpeechRecognitionConstraint dictationConstraint =
new SpeechRecognitionTopicConstraint(
SpeechRecognitionScenario.Dictation, "LogEntry", "LogEntryDictation" );
captainsLogDictationRecognizer.Constraints.Add( dictationConstraint );
await captainsLogDictationRecognizer.CompileConstraintsAsync();
captainsLogDictationRecognizer.UIOptions.ExampleText = "Boldly going where no man or woman has gone before.";
captainsLogDictationRecognizer.UIOptions.AudiblePrompt = "Go ahead";
captainsLogDictationRecognizer.UIOptions.IsReadBackEnabled = true;
captainsLogDictationRecognizer.UIOptions.ShowConfirmation = true;
SpeechRecognitionResult dictationResult = await captainsLogDictationRecognizer.RecognizeWithUIAsync();
if ( dictationResult.Status != SpeechRecognitionResultStatus.Success
|| dictationResult.Confidence == SpeechRecognitionConfidence.Rejected
|| string.IsNullOrWhiteSpace( dictationResult.Text )
|| cancellationSource.IsCancellationRequested )
{
captainsLogDictationRecognizer.Dispose();
continue;
}
// Recognized user's dictation entry
AddLogEntry( dictationResult.Text );
captainsLogDictationRecognizer.Dispose();
}
speechRecognizerCaptainsLogCommand.Dispose();
}
private async Task StartRecognizeAsync()
{
try
{
var speechRecognizer = new SpeechRecognizer();
speechRecognizer.Grammars.AddGrammarFromList(
"answer",
_words);
while (!_pleaseFinish)
{
var result = await speechRecognizer.RecognizeAsync();
if (result.TextConfidence != SpeechRecognitionConfidence.Rejected)
{
ProcessResult(result);
}
else
{
Debug.WriteLine("No text!");
}
}
}
finally
{
_isRunning = false;
}
}
private async void startRecognition_Click(object sender, RoutedEventArgs e)
{
try
{
startRecognition.IsEnabled = false;
// Compile the dictation grammar that is loaded by default, and start recognition.
await speechRecognizer.CompileConstraintsAsync();
SpeechRecognitionResult speechRecognitionResult = await speechRecognizer.RecognizeAsync();
if (speechRecognitionResult.Status == SpeechRecognitionResultStatus.Success)
{
resultTextBox.Text = speechRecognitionResult.Text;
}
}
catch (Exception ex)
{
MessageDialog dialog = new MessageDialog(LocalizableStrings.SPEECH_RECOGNITION_DISABLED);
await dialog.ShowAsync();
status.Log(ex.Message);
}
finally
{
startRecognition.IsEnabled = true;
}
}
private async void Button_Click_2(object sender, RoutedEventArgs e)
{
SpeechRecognizer speechRecognizer = new SpeechRecognizer();
speechRecognizer.Grammars.AddGrammarFromList("color", new List<string>
{
"红色",
"白色",
"蓝色",
"绿色"
});
try
{
var result = await speechRecognizer.RecognizeAsync();
if (result.TextConfidence == SpeechRecognitionConfidence.Rejected)
{
MessageBox.Show("语音识别不到");
}
else
{
MessageBox.Show(result.Text);
}
}
catch (Exception err)
{
MessageBox.Show("请检查是否接收语音隐私协议" + err.Message + err.HResult);
}
}
private async void ListenForPatrick()
{
IAsyncOperation <SpeechRecognitionResult> recognitionOperation;
SpeechRecognitionResult speechRecognitionResult;
while (true)
{
if (speechRecognizer != null)
{
recognitionOperation = speechRecognizer.RecognizeAsync();
speechRecognitionResult = await recognitionOperation;
if (speechRecognitionResult.Status == SpeechRecognitionResultStatus.Success)
{
// BUG: Sometimes hits success repetitively and does not listen for input
Debug.WriteLine(speechRecognitionResult.Text);
if (speechRecognitionResult.Text.Length > 0)
{
ProcessSpeech(speechRecognitionResult.Text);
}
}
}
else
{
await System.Threading.Tasks.Task.Delay(250);
}
Blink.Begin();
}
}
public static async Task <SpeechRecognitionResult> ListenOnceAsync()
{
if (!IsStarted)
{
try
{
IsStarted = true;
recognizer = new SpeechRecognizer();
// compile the speech constraints and start listening
await recognizer.CompileConstraintsAsync();
// keep listening until the result isn't an empty string since sometimes it rings up false positives
SpeechRecognitionResult result = null;
while (result == null || StringUtils.IsBlank(result.Text))
{
result = await recognizer.RecognizeAsync();
}
return(result);
}
catch (Exception)
{
return(null);
}
}
else
{
throw new Exception("Can't Listen when already started!");
}
}
private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
{
// Start recognition.
IAsyncOperation <SpeechRecognitionResult> speechRecognitionResult = _speechRecognizer.RecognizeAsync();
//IAsyncOperation<SpeechRecognitionResult> speechRecognitionResult = _speechRecognizer.RecognizeWithUIAsync();
speechRecognitionResult.Completed += Completed;
}
private async void startListenBtn_Click(object sender, RoutedEventArgs e)
{
var result = await _speechRecognizer.RecognizeAsync();
if (result.Status == SpeechRecognitionResultStatus.Success)
{
HandleResult(result);
}
}
public async Task <SpeechRecognitionResult> RecognizeSpeech()
{
var speechRecognizer = new SpeechRecognizer();
await speechRecognizer.CompileConstraintsAsync();
SpeechRecognitionResult speechRecognitionResult = await speechRecognizer.RecognizeAsync();
return(speechRecognitionResult);
}
/// <summary>
/// Uses the recognizer constructed earlier to listen for speech from the user before displaying
/// it back on the screen. Uses developer-provided UI for user feedback.
/// </summary>
/// <param name="sender">Button that triggered this event</param>
/// <param name="e">State information about the routed event</param>
private async void RecognizeWithoutUIDictationGrammar_Click(object sender, RoutedEventArgs e)
{
heardYouSayTextBlock.Visibility = resultTextBlock.Visibility = Visibility.Collapsed;
// Disable the UI while recognition is occurring, and provide feedback to the user about current state.
btnRecognizeWithUI.IsEnabled = false;
btnRecognizeWithoutUI.IsEnabled = false;
cbLanguageSelection.IsEnabled = false;
hlOpenPrivacySettings.Visibility = Visibility.Collapsed;
listenWithoutUIButtonText.Text = " listening for speech...";
// Start recognition.
try
{
recognitionOperation = speechRecognizer.RecognizeAsync();
SpeechRecognitionResult speechRecognitionResult = await recognitionOperation;
// If successful, display the recognition result.
if (speechRecognitionResult.Status == SpeechRecognitionResultStatus.Success)
{
heardYouSayTextBlock.Visibility = resultTextBlock.Visibility = Visibility.Visible;
resultTextBlock.Text = speechRecognitionResult.Text;
}
else
{
resultTextBlock.Visibility = Visibility.Visible;
resultTextBlock.Text = string.Format("Speech Recognition Failed, Status: {0}", speechRecognitionResult.Status.ToString());
}
}
catch (TaskCanceledException exception)
{
// TaskCanceledException will be thrown if you exit the scenario while the recognizer is actively
// processing speech. Since this happens here when we navigate out of the scenario, don't try to
// show a message dialog for this exception.
System.Diagnostics.Debug.WriteLine("TaskCanceledException caught while recognition in progress (can be ignored):");
System.Diagnostics.Debug.WriteLine(exception.ToString());
}
catch (Exception exception)
{
// Handle the speech privacy policy error.
if ((uint)exception.HResult == HResultPrivacyStatementDeclined)
{
hlOpenPrivacySettings.Visibility = Visibility.Visible;
}
else
{
var messageDialog = new Windows.UI.Popups.MessageDialog(exception.Message, "Exception");
await messageDialog.ShowAsync();
}
}
// Reset UI state.
listenWithoutUIButtonText.Text = " without UI";
cbLanguageSelection.IsEnabled = true;
btnRecognizeWithUI.IsEnabled = true;
btnRecognizeWithoutUI.IsEnabled = true;
}
private async Task <SpeechRecognitionResult> RecognizeSpeechAsync()
{
SpeechRecognitionResult result = null;
if (speechRecognizer != null)
{
result = await speechRecognizer.RecognizeAsync();
}
return(result);
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
await InitSpeech();
// Disable the UI while recognition is occurring, and provide feedback to the user about current state.
button.IsEnabled = false;
text.IsReadOnly = true;
text.Text = " listening for speech...";
// Start recognition.
try
{
//IAsyncOperation<SpeechRecognitionResult> recognitionOperation = speechRecognizer.RecognizeAsync();
SpeechRecognitionResult speechRecognitionResult = await speechRecognizer.RecognizeAsync();
//SpeechRecognitionResult speechRecognitionResult = await recognitionOperation;
// If successful, display the recognition result.
if (speechRecognitionResult.Status == SpeechRecognitionResultStatus.Success)
{
text.Text = speechRecognitionResult.Text;
}
else
{
text.Text = string.Format("Speech Recognition Failed, Status: {0}", speechRecognitionResult.Status.ToString());
}
}
catch (TaskCanceledException exception)
{
// TaskCanceledException will be thrown if you exit the scenario while the recognizer is actively
// processing speech. Since this happens here when we navigate out of the scenario, don't try to
// show a message dialog for this exception.
System.Diagnostics.Debug.WriteLine("TaskCanceledException caught while recognition in progress (can be ignored):");
System.Diagnostics.Debug.WriteLine(exception.ToString());
}
catch (Exception exception)
{
//// Handle the speech privacy policy error.
//if ((uint)exception.HResult == HResultPrivacyStatementDeclined)
//{
// hlOpenPrivacySettings.Visibility = Visibility.Visible;
//}
//else
//{
// var messageDialog = new Windows.UI.Popups.MessageDialog(exception.Message, "Exception");
// await messageDialog.ShowAsync();
//}
}
// Reset UI state.
button.IsEnabled = true;
text.IsReadOnly = false;
}
private async Task InitializeIntentRecognizer()
{
string spokenWord = string.Empty;
try
{
// Initialize recognizer
using (var intentRecognizer = new SpeechRecognizer())
{
var compilationResult = await intentRecognizer.CompileConstraintsAsync();
// If successful, display the recognition result.
if (compilationResult.Status == SpeechRecognitionResultStatus.Success)
{
// change default of 5 seconds
intentRecognizer.Timeouts.InitialSilenceTimeout = TimeSpan.FromSeconds(10);
// change default of 0.5 seconds
intentRecognizer.Timeouts.EndSilenceTimeout = TimeSpan.FromSeconds(5);
SpeechRecognitionResult result = await intentRecognizer.RecognizeAsync();
if (result.Status == SpeechRecognitionResultStatus.Success)
{
spokenWord = result.Text;
}
}
}
if (!string.IsNullOrEmpty(spokenWord))
{
if (!string.IsNullOrEmpty(spokenWord))
{
var result = await client.GetStringAsync(baseURL + "&sessionId=" + Guid.NewGuid().ToString() +
"&query=" + Uri.EscapeUriString(spokenWord));
var results = JObject.Parse(result);
var output = (string)results["result"]["fulfillment"]["speech"];
await this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () => {
PlayResponse(output);
});
}
}
}
catch (Exception ex)
{
//log
}
finally
{
//result the main recognition session to listen for trigger word
await recognizer.ContinuousRecognitionSession.StartAsync();
}
}
/// <summary>
/// Starts the Speech Recognition session
/// </summary>
/// <param name="e"></param>
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
dispatcher = Windows.ApplicationModel.Core.CoreApplication.GetCurrentView().CoreWindow.Dispatcher;
speechRecognizer = new SpeechRecognizer();
await speechRecognizer.CompileConstraintsAsync();
speechRecognizer.HypothesisGenerated += speechHypothesisCallback;
speechRecognizer.StateChanged += onSpeechRecognitionEnded;
await speechRecognizer.RecognizeAsync();
}
async Task RecordSpeechFromMicrophoneAsync(VoiceInformation voiceInformation)
{
if (!await AudioCapturePermissions.RequestMicrophonePermission())
{
return;
}
if (voiceInformation == null)
{
return;
}
if (!await DoRecognition())
{
await SpeakAndListen(listenOnly : true);
}
async Task <bool> DoRecognition()
{
using (SpeechRecognizer speechRecognizer = new SpeechRecognizer(new Windows.Globalization.Language(voiceInformation.Language)))
{
SpeechRecognitionConstraints.ToList().ForEach(c => speechRecognizer.Constraints.Add(c));
speechRecognizer.Timeouts.InitialSilenceTimeout = TimeSpan.FromSeconds(SpeechRecognitionConstants.InitialSilenceTimeout);
speechRecognizer.Timeouts.EndSilenceTimeout = TimeSpan.FromSeconds(SpeechRecognitionConstants.EndSilenceTimeout);
await speechRecognizer.CompileConstraintsAsync();
SpeechRecognitionResult result = await speechRecognizer.RecognizeAsync();
if (
result.Status == SpeechRecognitionResultStatus.Success &&
new HashSet <SpeechRecognitionConfidence>
{
SpeechRecognitionConfidence.High,
SpeechRecognitionConfidence.Medium,
SpeechRecognitionConfidence.Low
}.Contains(result.Confidence) &&
uiNotificationService.CanGoBack
)
{
await GoBack();
return(true);
}
else
{
return(false);
}
}
}
}
private async void VoiceButton_Click(object sender, RoutedEventArgs e)
{
try
{
listening = true;
// if SpeechRecognizer inizialization failed notthing else to do
if (await TryInitSpeech() == false)
{
return;
}
VisualStateManager.GoToState(this, VISUAL_STATE_LISTENING, true);
this.IsReadOnly = true;
this.Text = LISTENING_TEXT;
SpeechRecognitionResult speechRecognitionResult = await speechRecognizer.RecognizeAsync();
if (speechRecognitionResult.Status == SpeechRecognitionResultStatus.Success)
{
// remove last chat of recognized text if it is a point (never saw a text box filled like a sentence with the point at the end)
if (speechRecognitionResult.Text.Length > 1 && speechRecognitionResult.Text.Substring(speechRecognitionResult.Text.Length - 1, 1) == ".")
{
Text = speechRecognitionResult.Text.Remove(speechRecognitionResult.Text.Length - 1);
}
else
{
Text = speechRecognitionResult.Text;
}
}
else
{
Text = SPEECH_RECOGNITION_FAILED;
}
hypotesis = string.Empty;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
Text = SPEECH_RECOGNITION_FAILED;
}
finally
{
timer.Stop();
await TryDisposeSpeech();
VisualStateManager.GoToState(this, VISUAL_STATE_NOT_LISTENING, true);
this.IsReadOnly = false;
listening = false;
}
}
async private void OnRecognizeNoUI(object sender, RoutedEventArgs e)
{
var recognizer = new SpeechRecognizer();
var topic = new SpeechRecognitionTopicConstraint(SpeechRecognitionScenario.WebSearch, "webSearch");
recognizer.Constraints.Add(topic);
await recognizer.CompileConstraintsAsync();
var result = await recognizer.RecognizeAsync();
txt_dictation.Text = result.Text;
}
public async void RecognizeSpeech()
{
var speechRecognizer = new SpeechRecognizer(SpeechRecognizer.SystemSpeechLanguage);
var dictationConstraint = new SpeechRecognitionTopicConstraint(SpeechRecognitionScenario.Dictation, "dictation");
speechRecognizer.Constraints.Add(dictationConstraint);
var srcpres = await speechRecognizer.CompileConstraintsAsync();
if (srcpres.Status != SpeechRecognitionResultStatus.Success)
{
Console.WriteLine("Failed to compile constraints");
exitEvent.Set();
return;
}
while (true)
{
var res = await speechRecognizer.RecognizeAsync();
switch (res.Status)
{
case SpeechRecognitionResultStatus.Success:
break;
default:
Console.WriteLine($"Failed ({res.Status.ToString()}), try again");
continue;
}
switch (res.Confidence)
{
case SpeechRecognitionConfidence.Low:
case SpeechRecognitionConfidence.Rejected:
Console.WriteLine("Not enough confidence...");
continue;
}
UiBuiltins.Notification(
header: "Text spoken",
message: res.Text
);
if (res.Text == ExitKeyword)
{
exitEvent.Set();
break;
}
}
}
public async Task RunVoiceRecognition()
{
lock (_speechRecognizer)
{
if (_running)
{
Debug.WriteLine("Skipping voice recognition: Already running.");
return;
}
_running = true;
}
try
{
if (_commandCallback.Count == 0)
{
Debug.WriteLine("No voice commands available");
new TextToSpeech("No voice commands available").Play();
return;
}
_speechRecognizer.Constraints.Clear();
_speechRecognizer.Constraints.Add(new SpeechRecognitionListConstraint(_commandCallback.Keys));
await _speechRecognizer.CompileConstraintsAsync();
SetLed(GpioPinValue.High);
new TextToSpeech("Listening").Play();
SpeechRecognitionResult result = await _speechRecognizer.RecognizeAsync();
SetLed(GpioPinValue.Low);
if (result.Status != SpeechRecognitionResultStatus.Success || String.IsNullOrEmpty(result.Text))
{
Debug.WriteLine($"Recognition failed: {result.Status} - {result.Text}");
ShowHelp("Sorry, didn't catch that.");
}
else if (result.Text == "Help")
{
ShowHelp();
}
else if (_commandCallback.TryGetValue(result.Text, out RoutedEventHandler callback))
{
callback?.Invoke(this, null);
}
}
finally
{
_running = false;
}
}
private async void SpeechListeningClick(object sender, RoutedEventArgs e)
{
SpeechListeningChanged(true, SpeechListening, SpeechLoading);
var speechRecognizer = new SpeechRecognizer();
speechRecognizer.HypothesisGenerated += SpeechRecognizer_HypothesisGenerated;
await speechRecognizer.CompileConstraintsAsync();
SpeechRecognitionResult speechRecognitionResult = await speechRecognizer.RecognizeAsync();
SpeechText.Text = speechRecognitionResult.Text;
SpeechListeningChanged(false, SpeechListening, SpeechLoading);
}
public async Task <string> GetTextFromSpeechAsync(bool withUI = false)
{
if (_recognizer == null)
{
await InitializeRecognizerAsync();
}
SpeechRecognitionResult recognition = null;
if (withUI)
{
recognition = await _recognizer.RecognizeWithUIAsync();
}
else
{
recognition = await _recognizer.RecognizeAsync();
}
if (recognition.Status == SpeechRecognitionResultStatus.Success &&
recognition.Confidence != SpeechRecognitionConfidence.Rejected)
{
Debug.WriteLine($"[Speech to Text]: result: {recognition.Text}, {recognition.RawConfidence.ToString()}, {recognition.Confidence.ToString()}");
var alternativeResults = recognition.GetAlternates(MaxRecognitionResultAlternates);
foreach (var r in alternativeResults)
{
Debug.WriteLine($"[Speech to Text]: alternative: {r.Text}, {r.RawConfidence.ToString()}, {r.Confidence.ToString()}");
}
var topResult = alternativeResults.Where(r => r.Confidence == SpeechRecognitionConfidence.High).FirstOrDefault();
if (topResult != null)
{
return(topResult.Text);
}
topResult = alternativeResults.Where(r => r.Confidence == SpeechRecognitionConfidence.Medium).FirstOrDefault();
if (topResult != null)
{
return(topResult.Text);
}
topResult = alternativeResults.Where(r => r.Confidence == SpeechRecognitionConfidence.Low).FirstOrDefault();
if (topResult != null)
{
return(topResult.Text);
}
}
return(string.Empty);
}
public async static Task< string> RecognizeVoiceCommand()
{
try
{
speechRecognizer = await ResourceHelper.InitRecognizer() ;
if(null == speechRecognizer)
{
_command = ResourceHelper.GetString("Sys Err");//"系统异常";
return _command;
}
recognitionOperation = speechRecognizer.RecognizeAsync();
SpeechRecognitionResult speechRecognitionResult = await recognitionOperation;
// If successful, display the recognition result. A cancelled task should do nothing.
if (speechRecognitionResult.Status == SpeechRecognitionResultStatus.Success)
{
if (speechRecognitionResult.Confidence == SpeechRecognitionConfidence.Rejected)
{
_command = ResourceHelper.GetString("invalid");//"对不起，无法识别您的命令";
}
else
{
string tag = "unknown";
if (speechRecognitionResult.Constraint != null)
{
// Only attempt to retreive the tag if we didn't hit the garbage rule.
tag = speechRecognitionResult.Constraint.Tag;
}
_command = speechRecognitionResult.Text;
}
}
return _command;
}
catch (Exception e)
{
return e.Message;
}
}
public async void speech(string option)
{
var r = "";
try
{
var _recognizer = new SpeechRecognizer();
var _recOperation = _recognizer.RecognizeAsync();
var recoResult = await _recOperation;
r = recoResult.Text;
}
catch (Exception e)
{
r = "Exception" + e.ToString();
}
///
//return "asdasd";
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, "Everything went as planned, this is a result that is passed to the success handler." + r.ToString()));
}
/// <summary>
/// Move to a new state.
/// </summary>
private async Task SetState(SpeechDialogBoxState state)
{
// Do not interrupt while speaking.
while (this.state == SpeechDialogBoxState.Speaking)
{
await Task.Delay(200);
}
this.state = state;
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, new DispatchedHandler(
async () =>
{
// Hide all.
this.DefaultState.Visibility = Visibility.Collapsed;
this.TypingState.Visibility = Visibility.Collapsed;
this.ListeningState.Visibility = Visibility.Collapsed;
this.ThinkingState.Visibility = Visibility.Collapsed;
switch (this.state)
{
case SpeechDialogBoxState.Default:
this.DefaultState.Visibility = Visibility.Visible;
break;
case SpeechDialogBoxState.Typing:
this.TypingState.Visibility = Visibility.Visible;
break;
case SpeechDialogBoxState.Listening:
this.ListeningState.Visibility = Visibility.Visible;
this.MediaElement.Source = new Uri("ms-appx:///Assets//Listening.wav");
SpeechRecognizer recognizer = new SpeechRecognizer();
foreach (var constraint in this.Constraints)
{
recognizer.Constraints.Add(constraint);
}
await recognizer.CompileConstraintsAsync();
var reco = recognizer.RecognizeAsync();
reco.Completed += this.SpeechRecognition_Completed;
break;
case SpeechDialogBoxState.Thinking:
this.ThinkingState.Visibility = Visibility.Visible;
break;
default:
break;
}
}));
}
private async void InitializeSpeechRecognizer()
{
if (speechRecognizer != null)
{
this.speechRecognizer.Dispose();
this.speechRecognizer = null;
}
speechRecognizer = new SpeechRecognizer();
var topicConstraing = new SpeechRecognitionTopicConstraint(SpeechRecognitionScenario.Dictation, "Development");
speechRecognizer.Constraints.Add(topicConstraing);
await speechRecognizer.CompileConstraintsAsync();
var operation = await speechRecognizer.RecognizeAsync();
if (!this.Completed && operation.Status == SpeechRecognitionResultStatus.Success)
{
this.Completed = true;
ResultGenerated(operation.Text);
speechRecognizer.RecognizeAsync().Cancel();
speechRecognizer.Dispose();
speechRecognizer = null;
}
}
private async void btnSearch_Click(object sender, RoutedEventArgs e)
{
this.txtCortanaMessages.Text = "Je vous écoute...";
Windows.Globalization.Language langFR = new Windows.Globalization.Language("fr-FR");
SpeechRecognizer recognizer = new SpeechRecognizer(langFR);
SpeechRecognitionTopicConstraint topicConstraint
= new SpeechRecognitionTopicConstraint(SpeechRecognitionScenario.Dictation, "Development");
recognizer.Constraints.Add(topicConstraint);
await recognizer.CompileConstraintsAsync(); // Required
var recognition = recognizer.RecognizeAsync();
recognition.Completed += this.Recognition_Completed;
}
private async void VoiceRecognizer()
{
voiceRecognizer = new SpeechRecognizer();
SpeechRecognitionTopicConstraint topicContraint = new SpeechRecognitionTopicConstraint(SpeechRecognitionScenario.Dictation, "development");
voiceRecognizer.Constraints.Add(topicContraint);
SpeechRecognitionCompilationResult result = await voiceRecognizer.CompileConstraintsAsync();
SpeechRecognitionResult speechRecognitionResult = await voiceRecognizer.RecognizeAsync();
//voiceRecognizer.ContinuousRecognitionSession.Completed += ContinuousRecognitionSession_Completed;
//voiceRecognizer.ContinuousRecognitionSession.ResultGenerated += ContinuousRecognitionSession_ResultGenerated;
//await voiceRecognizer.ContinuousRecognitionSession.StartAsync();
if (pname == "Lorenzo")
{
if (speechRecognitionResult.Text.Contains("expensive") || speechRecognitionResult.Text.Contains("expense"))
{
//speechText.Text = "So much expensive";
ReadVoice(Error.Not_Found);
//pageView.Navigate(new Uri("http://www.americanas.com.br/produto/113151382/carro-eletrico-sport-car-vermelho-6v"));
}
else
{
ReadVoice(Error.Not_Found);
}
}
else
{
ReadVoice(Error.Not_Found);
}
}
public async Task<RecognizedSpeech> Recognize(string constraints, bool ui)
{
SpeechRecognitionGrammarFileConstraint grammarFileConstraint = null;
var result = new RecognizedSpeech();
bool isTable = false;
Dictionary<string, string> dictionary = null;
if (!string.IsNullOrWhiteSpace(constraints))
{
isTable = constraints.StartsWith("{table:");
if (isTable)
{
var name = constraints.Substring(7);
var i = name.IndexOf("}", StringComparison.CurrentCultureIgnoreCase);
name = name.Substring(0, i);
var constraintBuilder = new StringBuilder();
dictionary = MainPage.Instance.mainDictionary[name];
Debug.WriteLine("table "+name+" count=" + dictionary.Count);
foreach (var key in dictionary.Keys)
{
constraintBuilder.Append(key.Replace(","," "));
constraintBuilder.Append(",");
}
if (constraintBuilder.Length < 2)
{
result.error = -3;
return result;
}
constraints = constraintBuilder.ToString(0, constraintBuilder.Length - 1);
constraints = constraints.Replace(";", "-").Replace("&"," and ").Replace("&"," and ");
}
//build grammar constraints
var grammarFileTemplate =
await
StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appx:///GrammarConstraintTemplate.grxml"));
const string wordTemplate = "<item>{0}</item>";
const string itemTemplate = "<item><one-of>{0}</one-of><tag>out=\"{1}\";</tag></item>";
var itemBuilder = new StringBuilder();
var items = constraints.Split(';');
string keyword = null;
foreach (var itemPart in items)
{
var item = itemPart;
var equals = item.IndexOf('=');
if (equals > -1)
{
keyword = item.Substring(0, equals);
item = item.Substring(equals + 1);
}
var words = item.Split(',');
var wordBuilder = new StringBuilder();
foreach (var word in words)
{
wordBuilder.AppendFormat(wordTemplate, word);
}
if (!string.IsNullOrWhiteSpace(keyword))
{
itemBuilder.AppendFormat(itemTemplate, wordBuilder, keyword);
}
else
{
itemBuilder.Append(wordBuilder);
}
}
var localFolder = ApplicationData.Current.LocalFolder;
var grammarTemplate = await FileIO.ReadTextAsync(grammarFileTemplate);
var grammarFile =
await
localFolder.CreateFileAsync("GrammarConstraint.grxml", CreationCollisionOption.ReplaceExisting);
var finalGrammarText = string.Format(grammarTemplate, itemBuilder);
await FileIO.WriteTextAsync(grammarFile, finalGrammarText);
grammarFileConstraint = new SpeechRecognitionGrammarFileConstraint(grammarFile, "constraints");
}
if (isRecognizing && recognizer != null)
{
await recognizer.StopRecognitionAsync();
}
recognizer = new SpeechRecognizer();
//if (recognizer != null)
//{
//}
//else
//{
// //recognizer.Constraints?.Clear();
// //await recognizer.CompileConstraintsAsync();
//}
if (grammarFileConstraint != null)
{
recognizer.Constraints.Add(grammarFileConstraint);
}
SpeechRecognitionResult recognize = null;
try
{
isRecognizing = false;
SpeechStatusChanged?.Invoke(this, new SpeechArgs { Status = SpeechStatus.None });
await recognizer.CompileConstraintsAsync();
isRecognizing = true;
SpeechStatusChanged?.Invoke(this, new SpeechArgs { Status = SpeechStatus.Listening });
recognize = await (ui ? recognizer.RecognizeWithUIAsync() : recognizer.RecognizeAsync());
}
catch (Exception e)
{
Debug.WriteLine(e.GetType() + ":" + e.Message);
if (recognize != null)
{
result.status = recognize.Status;
}
result.confidence = 5;
return result;
}
finally
{
isRecognizing = false;
SpeechStatusChanged?.Invoke(this, new SpeechArgs { Status = isUserStopped ? SpeechStatus.Stopped : SpeechStatus.None });
}
result.status = isUserStopped ? SpeechRecognitionResultStatus.UserCanceled : recognize.Status;
if (constraints == null)
{
result.text = recognize.Text;
return result;
}
result.confidence = (int) recognize.Confidence;
var text = recognize.Text.ToUpperInvariant();
var items2 = constraints.Split(';');
string keyword2 = null;
var index = 1;
foreach (var itemPart in items2)
{
var item = itemPart;
var equals = item.IndexOf('=');
if (equals > -1)
{
keyword2 = item.Substring(0, equals);
item = item.Substring(equals + 1);
}
var words = item.Split(',');
var innerIndex = 1;
foreach (var word in words)
{
if (word.ToUpperInvariant().Equals(text))
{
result.text = keyword2 ?? word;
if (isTable)
{
result.action = dictionary[result.text];
}
result.index = items2.Length == 1 ? innerIndex : index;
return result;
}
innerIndex++;
}
index++;
}
result.text = recognize.Text;
return result;
}
private async void Button_Click_4(object sender, RoutedEventArgs e)
{
SpeechRecognizer speechRecognizer = new SpeechRecognizer();
speechRecognizer.Grammars.AddGrammarFromUri("music", new Uri("ms-appx:///SRGSGrammar1.xml"));
try
{
var result = await speechRecognizer.RecognizeAsync();
if (result.TextConfidence == SpeechRecognitionConfidence.Rejected)
{
MessageBox.Show("语音识别不到");
}
else
{
string music = "";
if (result.Semantics.Keys.Contains("music"))
{
music = result.Semantics["music"].Value.ToString();
}
MessageBox.Show(result.Text + "|" + music);
}
}
catch (Exception err)
{
MessageBox.Show("请检查是否接收语音隐私协议" + err.Message + err.HResult);
}
}
private async void InitializeSpeechRecognizer()
{
try
{
if (speechRecognizer != null)
{
speechRecognizer.RecognizeAsync().Cancel();
speechRecognizer.RecognizeAsync().Close();
this.speechRecognizer.Dispose();
this.speechRecognizer = null;
}
speechRecognizer = new SpeechRecognizer();
var topicConstraing = new SpeechRecognitionTopicConstraint(SpeechRecognitionScenario.Dictation, "Development");
speechRecognizer.Constraints.Add(topicConstraing);
await speechRecognizer.CompileConstraintsAsync();
this.Operation = await speechRecognizer.RecognizeAsync();
if (Operation.Status == SpeechRecognitionResultStatus.Success)
{
ResultGenerated(Operation.Text);
speechRecognizer.RecognizeAsync().Cancel();
speechRecognizer.Dispose();
speechRecognizer = null;
}
}
catch (Exception)
{
}
}
public async void Run(IBackgroundTaskInstance taskInstance)
{
BackgroundTaskDeferral deferral = taskInstance.GetDeferral(); // This must be retrieved prior to subscribing to events below which use it
using (MopidyClient client = new MopidyClient())
{
await client.Open();
await client.Play("spotify:track:1hKdDCpiI9mqz1jVHRKG0E");
var speechRecognizer = new SpeechRecognizer(SpeechRecognizer.SystemSpeechLanguage);
var webSearchGrammar = new SpeechRecognitionTopicConstraint(SpeechRecognitionScenario.WebSearch, "webSearch");
speechRecognizer.Constraints.Add(webSearchGrammar);
SpeechRecognitionCompilationResult compilationResult = await speechRecognizer.CompileConstraintsAsync();
// Check to make sure that the constraints were in a proper format and the recognizer was able to compile it.
if (compilationResult.Status == SpeechRecognitionResultStatus.Success)
{
while (true)
{
var recognitionOperation = speechRecognizer.RecognizeAsync();
SpeechRecognitionResult speechRecognitionResult = await recognitionOperation;
if (speechRecognitionResult.Status == SpeechRecognitionResultStatus.Success)
{
if (speechRecognitionResult.Text.StartsWith("play", StringComparison.OrdinalIgnoreCase))
{
string playSearchString = speechRecognitionResult.Text.Substring(4).Trim();
string uri;
if (playSearchString.StartsWith("artist", StringComparison.OrdinalIgnoreCase))
{
uri = await client.SearchArtist(playSearchString.Substring(6).Trim());
}
else
{
uri = await client.Search(playSearchString);
}
if (uri != null)
{
await client.Play(uri);
}
}
else if (speechRecognitionResult.Text.StartsWith("stop", StringComparison.OrdinalIgnoreCase))
{
await client.Stop();
}
else if (speechRecognitionResult.Text.StartsWith("louder", StringComparison.OrdinalIgnoreCase))
{
int volume = await client.GetVolume();
volume = Math.Min(volume + 10, 100);
await client.SetVolume(volume);
}
else if (speechRecognitionResult.Text.StartsWith("quieter", StringComparison.OrdinalIgnoreCase))
{
int volume = await client.GetVolume();
volume = Math.Max(volume - 10, 0);
await client.SetVolume(volume);
}
else if (speechRecognitionResult.Text.StartsWith("mute", StringComparison.OrdinalIgnoreCase))
{
await client.SetVolume(0);
}
}
else
{
//resultTextBlock.Visibility = Visibility.Visible;
//resultTextBlock.Text = string.Format("Speech Recognition Failed, Status: {0}", speechRecognitionResult.Status.ToString());
}
}
}
}
}
private async void lineRecog()
{
SpeechRecognizer speechRecognizer = new SpeechRecognizer();
// Compile the default dictionary
SpeechRecognitionCompilationResult compilationResult =
await speechRecognizer.CompileConstraintsAsync();
// Start recognizing
// Note: you can also use RecognizeWithUIAsync()
SpeechRecognitionResult speechRecognitionResult = await speechRecognizer.RecognizeAsync();
result = speechRecognitionResult.Text;
}
private async void VoiceButton_Click(object sender, RoutedEventArgs e)
{
try
{
// Get the top user-preferred language and its display name.
var topUserLanguage = Windows.System.UserProfile.GlobalizationPreferences.Languages[0];
var language = new Windows.Globalization.Language(topUserLanguage);
firstStopAttemptDone = false;
listening = true;
using (speechRecognizer = new SpeechRecognizer(language))
{
var dictationConstraint = new SpeechRecognitionTopicConstraint(SpeechRecognitionScenario.WebSearch, WEB_SEARCH);
speechRecognizer.Constraints.Add(dictationConstraint);
SpeechRecognitionCompilationResult compilationResult = await speechRecognizer.CompileConstraintsAsync();
// setting timeouts
speechRecognizer.Timeouts.InitialSilenceTimeout = TimeSpan.FromSeconds(4.0);
speechRecognizer.Timeouts.BabbleTimeout = TimeSpan.FromSeconds(4.0);
speechRecognizer.Timeouts.EndSilenceTimeout = TimeSpan.FromSeconds(1.0);
speechRecognizer.HypothesisGenerated += SpeechRecognizer_HypothesisGenerated;
if (compilationResult.Status != SpeechRecognitionResultStatus.Success)
return;
VisualStateManager.GoToState(this, VISUAL_STATE_LISTENING, true);
this.IsReadOnly = true;
this.Text = LISTENING_TEXT;
SpeechRecognitionResult speechRecognitionResult = await speechRecognizer.RecognizeAsync();
if (speechRecognitionResult.Status == SpeechRecognitionResultStatus.Success)
Text = speechRecognitionResult.Text;
else
Text = SPEECH_RECOGNITION_FAILED;
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
Text = string.Empty;
}
finally
{
timer.Stop();
hypotesis = string.Empty;
VisualStateManager.GoToState(this, VISUAL_STATE_NOT_LISTENING, true);
this.IsReadOnly = false;
listening = false;
}
}
