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MSDN How do I add Voice Commands to my application Find Install Voice Command Sets Search Search for {dictatedSearchTerms} Find Find.

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Presentation on theme: "MSDN How do I add Voice Commands to my application Find Install Voice Command Sets Search Search for {dictatedSearchTerms} Find Find."— Presentation transcript:

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11 MSDN How do I add Voice Commands to my application Find Install Voice Command Sets Search Search for {dictatedSearchTerms} Find Find {dictatedSearchTerms} Search on MSDN How do I add Voice Commands to my application {dictatedVoiceCommandText} Starting MSDN... MSDN MSDN

12 http://schemas.microsoft.com/voicecommands/1.1 MSDN How do I add Voice Commands to my application Find Install Voice Command Sets Search Search for {dictatedSearchTerms} Find Find {dictatedSearchTerms} Search on MSDN How do I add Voice Commands to my application {dictatedVoiceCommandText} Starting MSDN... MSDN MSDN MSDN

13 http://schemas.microsoft.com/voicecommands/1.1 MSDN How do I add Voice Commands to my application Find Install Voice Command Sets Search Search for {dictatedSearchTerms} Find Find {dictatedSearchTerms} Search on MSDN How do I add Voice Commands to my application {dictatedVoiceCommandText} Starting MSDN... MSDN MSDN How do I add Voice Commands to my application

14 http://schemas.microsoft.com/voicecommands/1.1 MSDN How do I add Voice Commands to my application Find Install Voice Command Sets Search Search for {dictatedSearchTerms} Find Find {dictatedSearchTerms} Search on MSDN How do I add Voice Commands to my application {dictatedVoiceCommandText} Starting MSDN... MSDN MSDN

15 http://schemas.microsoft.com/voicecommands/1.1 MSDN How do I add Voice Commands to my application Find Install Voice Command Sets Search Search for {dictatedSearchTerms} Find Find {dictatedSearchTerms} Search on MSDN How do I add Voice Commands to my application {dictatedVoiceCommandText} Starting MSDN... MSDN MSDN Find Install Voice Command Sets

16 http://schemas.microsoft.com/voicecommands/1.1 MSDN How do I add Voice Commands to my application Find Install Voice Command Sets Search Search for {dictatedSearchTerms} Find Find {dictatedSearchTerms} Search on MSDN How do I add Voice Commands to my application {dictatedVoiceCommandText} Starting MSDN... MSDN MSDN Search Search for {dictatedSearchTerms} Find Find {dictatedSearchTerms}

17 http://schemas.microsoft.com/voicecommands/1.1 MSDN How do I add Voice Commands to my application Find Install Voice Command Sets Search Search for {dictatedSearchTerms} Find Find {dictatedSearchTerms} Search on MSDN How do I add Voice Commands to my application {dictatedVoiceCommandText} Starting MSDN... MSDN MSDN Search on MSDN

18 http://schemas.microsoft.com/voicecommands/1.1 MSDN How do I add Voice Commands to my application Find Install Voice Command Sets Search Search for {dictatedSearchTerms} Find Find {dictatedSearchTerms} Search on MSDN How do I add Voice Commands to my application {dictatedVoiceCommandText} Starting MSDN... MSDN MSDN

19 http://schemas.microsoft.com/voicecommands/1.1 MSDN How do I add Voice Commands to my application Find Install Voice Command Sets Search Search for {dictatedSearchTerms} Find Find {dictatedSearchTerms} Search on MSDN How do I add Voice Commands to my application {dictatedVoiceCommandText} Starting MSDN... MSDN MSDN MSDN MSDN

20 http://schemas.microsoft.com/voicecommands/1.0 MSDN Find Voice Commands Find Windows Phone Search Search {*} Search for {listSearchTerms} Find Find {*} Find {listSearchTerms} Search on MSDN Voice Commands Windows Phone http://schemas.microsoft.com/voicecommands/1.0 MSDN How do I add Voice Commands to my application Find Install Voice Command Sets Search Search for {dictatedSearchTerms} Find Find {dictatedSearchTerms} Search on MSDN MSDN Windows Phone 8.0Windows Phone 8.1 Simple Scenarios, Limited AccuracyMore Powerful, Easier, More Accurate

21 MSDN Find Voice Commands Find Windows Phone Search Search {*} Search for {listSearchTerms} Find Find {*} Find {listSearchTerms} Search on MSDN Voice Commands Windows Phone http://schemas.microsoft.com/voicecommands/1.1 MSDN How do I add Voice Commands to my application How do I add Voice Commands to my application {dictatedVoiceCommandText} Starting MSDN... MSDN Windows Phone 8.0Windows Phone 8.1 Simple Scenarios, Limited Accuracy… and enables Natural Language

22 http://schemas.microsoft.com/voicecommands/1.0 MSDN How do I add Voice Commands to my application Find Install Voice Command Sets Search Search for {dictatedSearchTerms} Find Find {dictatedSearchTerms} Search on MSDN How do I add Voice Commands to my application {dictatedVoiceCommandText} Starting MSDN... MSDN MSDN

23 Windows Phone Silverlight Apps on Windows Phone 8.1 Windows Runtime Apps on Windows Phone 8.1

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25 // Windows Phone Silverlight App, in MainPage.xaml.cs protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e) { base.OnNavigatedTo(e); if (e.NavigationMode == System.Windows.Navigation.NavigationMode.New) { string recoText = null; // What did the user say? e.g. MSDN, "Find Windows Phone Voice Commands" NavigationContext.QueryString.TryGetValue("reco", out recoText); string voiceCommandName = null; // Which command was recognized in the VCD.XML file? e.g. "FindText" NavigationContext.QueryString.TryGetValue("voiceCommandName", out voiceCommandName); string searchTerms = null; // What did the user say, for named phrase topic or list "slots"? e.g. "Windows Phone Voice Commands" NavigationContext.QueryString.TryGetValue("dictatedSearchTerms", out searchTerms); switch (voiceCommandName) // What command launched the app? { case "FindText": HandleFindText(searchTerms); break; case "nlpCommand": HandleNlpCommand(recoText); break; }

26 // Windows Phone Silverlight App, in MainPage.xaml.cs protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e) { base.OnNavigatedTo(e); if (e.NavigationMode == System.Windows.Navigation.NavigationMode.New) { string recoText = null; // What did the user say? e.g. MSDN, "Find Windows Phone Voice Commands" NavigationContext.QueryString.TryGetValue("reco", out recoText); string voiceCommandName = null; // Which command was recognized in the VCD.XML file? e.g. "FindText" NavigationContext.QueryString.TryGetValue("voiceCommandName", out voiceCommandName); string searchTerms = null; // What did the user say, for named phrase topic or list "slots"? e.g. "Windows Phone Voice Commands" NavigationContext.QueryString.TryGetValue("dictatedSearchTerms", out searchTerms); switch (voiceCommandName) // What command launched the app? { case "FindText": HandleFindText(searchTerms); break; case "nlpCommand": HandleNlpCommand(recoText); break; } // Windows Phone Silverlight App, in MainPage.xaml.cs protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)

27 // Windows Phone Silverlight App, in MainPage.xaml.cs protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e) { base.OnNavigatedTo(e); if (e.NavigationMode == System.Windows.Navigation.NavigationMode.New) { string recoText = null; // What did the user say? e.g. MSDN, "Find Windows Phone Voice Commands" NavigationContext.QueryString.TryGetValue("reco", out recoText); string voiceCommandName = null; // Which command was recognized in the VCD.XML file? e.g. "FindText" NavigationContext.QueryString.TryGetValue("voiceCommandName", out voiceCommandName); string searchTerms = null; // What did the user say, for named phrase topic or list "slots"? e.g. "Windows Phone Voice Commands" NavigationContext.QueryString.TryGetValue("dictatedSearchTerms", out searchTerms); switch (voiceCommandName) // What command launched the app? { case "FindText": HandleFindText(searchTerms); break; case "nlpCommand": HandleNlpCommand(recoText); break; } // What did the user say? e.g. MSDN, "Find Windows Phone Voice Commands" string recoText = null; NavigationContext.QueryString.TryGetValue("reco", out recoText); // Which command was recognized in the VCD.XML file? e.g. "FindText" string voiceCommandName = null; NavigationContext.QueryString.TryGetValue("voiceCommandName", out voiceCommandName); // What did the user say, for named phrase topic or list "slots"? e.g. "Windows Phone Voice Commands" string searchTerms = null; NavigationContext.QueryString.TryGetValue("dictatedSearchTerms", out searchTerms);

28 // Windows Phone Silverlight App, in MainPage.xaml.cs protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e) { base.OnNavigatedTo(e); if (e.NavigationMode == System.Windows.Navigation.NavigationMode.New) { string recoText = null; // What did the user say? e.g. MSDN, "Find Windows Phone Voice Commands" NavigationContext.QueryString.TryGetValue("reco", out recoText); string voiceCommandName = null; // Which command was recognized in the VCD.XML file? e.g. "FindText" NavigationContext.QueryString.TryGetValue("voiceCommandName", out voiceCommandName); string searchTerms = null; // What did the user say, for named phrase topic or list "slots"? e.g. "Windows Phone Voice Commands" NavigationContext.QueryString.TryGetValue("dictatedSearchTerms", out searchTerms); switch (voiceCommandName) // What command launched the app? { case "FindText": HandleFindText(searchTerms); break; case "nlpCommand": HandleNlpCommand(recoText); break; } switch (voiceCommandName) // What command launched the app? { case "FindText": HandleFindText(searchTerms); break; case "nlpCommand": HandleNlpCommand(recoText); break; }

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31 // Windows Runtime App on Windows Phone 8.1, inside OnActivated override // in App class if (args.Kind == ActivationKind.VoiceCommand)

32 VoiceCommandActivatedEventArgs vcArgs = (VoiceCommandActivatedEventArgs)args; // What command launched the app? string voiceCommandName = vcArgs.Result.RulePath.First(); // Navigate to right page for the voice command switch (voiceCommandName)

33 // Navigate to right page for the voice command switch (voiceCommandName) { case "FindText": // User said "find" or "search" rootFrame.Navigate(typeof(MSDN.FindText), vcArgs.Result); break; case "nlpCommand": // User said something else rootFrame.Navigate(typeof(MSDN.NlpCommand), vcArgs.Result); break; }

34 // Windows Runtime App on Windows Phone 8.1, inside OnNavigatedTo in FindText.xaml.cs protected override void OnNavigatedTo(NavigationEventArgs e) { // Get recognition result from parameter passed in frame.Navigate call SpeechRecognitionResult vcResult = e.Parameter as SpeechRecognitionResult; if (vcResult!=null) { // What did the user say? e.g. MSDN, "Find Windows Phone Voice Commands" string recoText = vcResult.Text; // Store the semantics dictionary for later use IReadOnlyDictionary > semantics = vcResult.SemanticInterpretation.Properties; string voiceCommandName = vcResult.RulePath.First(); if (voiceCommandName == "FindText") { // What did the user say, for named phrase topic or list "slots"? e.g. "Windows Phone Voice Commands" if (semantics.ContainsKey("dictatedSearchTerms")) { HandleFindTextWithSearchTerms(semantics["dictatedSearchTerms"][0]); } else { HandleNoSearchTerms(); } // Else handle other voice commands } navigationHelper.OnNavigatedTo(e) }

35 // Windows Runtime App on Windows Phone 8.1, inside OnNavigatedTo In FindText.xaml.cs protected override void OnNavigatedTo(NavigationEventArgs e) { // Get recognition result from parameter passed in frame.Navigate call SpeechRecognitionResult vcResult = e.Parameter as SpeechRecognitionResult; if (vcResult!=null) { // What did the user say? e.g. MSDN, "Find Windows Phone Voice Commands" string recoText = vcResult.Text; // Store the semantics dictionary for later use IReadOnlyDictionary > semantics = vcResult.SemanticInterpretation.Properties; string voiceCommandName = vcResult.RulePath.First(); if (voiceCommandName == "FindText") { // What did the user say, for named phrase topic or list "slots"? e.g. "Windows Phone Voice Commands" if (semantics.ContainsKey("dictatedSearchTerms")) { HandleFindTextWithSearchTerms(semantics["dictatedSearchTerms"][0]); } else { HandleNoSearchTerms(); } // Else handle other voice commands } navigationHelper.OnNavigatedTo(e) } // Windows Runtime App on Windows Phone 8.1, inside // OnNavigatedTo in FindText.xaml.cs protected override void OnNavigatedTo(NavigationEventArgs e) { // Get recognition result from parameter passed in frame.Navigate call SpeechRecognitionResult vcResult = e.Parameter as SpeechRecognitionResult; if (vcResult!=null) { // What did the user say? e.g. MSDN, "Find Windows Phone Voice Commands" string recoText = vcResult.Text; // Store the semantics dictionary for later use IReadOnlyDictionary > semantics = vcResult.SemanticInterpretation.Properties; string voiceCommandName = vcResult.RulePath.First();

36 // Windows Runtime App on Windows Phone 8.1, inside OnNavigatedTo In FindText.xaml.cs protected override void OnNavigatedTo(NavigationEventArgs e) { // Get recognition result from parameter passed in frame.Navigate call SpeechRecognitionResult vcResult = e.Parameter as SpeechRecognitionResult; if (vcResult!=null) { // What did the user say? e.g. MSDN, "Find Windows Phone Voice Commands" string recoText = vcResult.Text; // Store the semantics dictionary for later use IReadOnlyDictionary > semantics = vcResult.SemanticInterpretation.Properties; string voiceCommandName = vcResult.RulePath.First(); if (voiceCommandName == "FindText") { // What did the user say, for named phrase topic or list "slots"? e.g. "Windows Phone Voice Commands" if (semantics.ContainsKey("dictatedSearchTerms")) { HandleFindTextWithSearchTerms(semantics["dictatedSearchTerms"][0]); } else { HandleNoSearchTerms(); } // Else handle other voice commands } navigationHelper.OnNavigatedTo(e) } if (voiceCommandName == "FindText") { // What did the user say, for named phrase topic or list "slots"? // e.g. "Windows Phone Voice Commands" if (semantics.ContainsKey("dictatedSearchTerms")) { HandleFindTextWithSearchTerms(semantics["dictatedSearchTerms"][0]); } else { HandleNoSearchTerms(); }

37 // Windows Runtime App on Windows Phone 8.1, inside OnNavigatedTo in NlpCommand.xaml.cs protected override void OnNavigatedTo(NavigationEventArgs e) { base.OnNavigatedTo(e); // Get recognition result from parameter passed in frame.Navigate call SpeechRecognitionResult vcResult = e.Parameter as SpeechRecognitionResult; // Check for null! string commandMode = vcResult.SemanticInterpretation.Properties["commandMode"][0]; if (commandMode == "voice") // Did the user speak or type the command? { SpeakText(audioPlayer, String.Format("MSDN app heard you say {0}", vcResult.Text)); HandleNlpCommand(vcResult); } else if(commandMode=="text") { messageTextBox.Text = string.Format("Working on your request \"{0}\"", vcResult.Text); HandleNlpCommand(vcResult); }

38 // Windows Runtime App on Windows Phone 8.1, inside OnNavigatedTo In NlpCommand.xaml.cs protected override void OnNavigatedTo(NavigationEventArgs e) { base.OnNavigatedTo(e); // Get recognition result from parameter passed in frame.Navigate call SpeechRecognitionResult vcResult = e.Parameter as SpeechRecognitionResult; // Check for null! string commandMode = vcResult.SemanticInterpretation.Properties["commandMode"][0]; if (commandMode == "voice") // Did the user speak or type the command? { SpeakText(audioPlayer, String.Format("MSDN app heard you say {0}", vcResult.Text)); HandleNlpCommand(vcResult); } else if(commandMode=="text") { messageTextBox.Text = string.Format("Working on your request \"{0}\"", vcResult.Text); HandleNlpCommand(vcResult); } // Windows Runtime App on Windows Phone 8.1, in OnNavigatedTo in NlpCommand.xaml.cs protected override void OnNavigatedTo(NavigationEventArgs e) { // Get recognition result from parameter passed in frame.Navigate call SpeechRecognitionResult vcResult = e.Parameter as SpeechRecognitionResult; string commandMode = vcResult.SemanticInterpretation.Properties["commandMode"][0];

39 // Windows Runtime App on Windows Phone 8.1, inside OnNavigatedTo In NlpCommand.xaml.cs protected override void OnNavigatedTo(NavigationEventArgs e) { base.OnNavigatedTo(e); // Get recognition result from parameter passed in frame.Navigate call SpeechRecognitionResult vcResult = e.Parameter as SpeechRecognitionResult; // Check for null! string commandMode = vcResult.SemanticInterpretation.Properties["commandMode"][0]; if (commandMode == "voice") // Did the user speak or type the command? { SpeakText(audioPlayer, String.Format("MSDN app heard you say {0}", vcResult.Text)); HandleNlpCommand(vcResult); } else if(commandMode=="text") { messageTextBox.Text = string.Format("Working on your request \"{0}\"", vcResult.Text); HandleNlpCommand(vcResult); } string commandMode = vcResult.SemanticInterpretation.Properties["commandMode"][0]; if (commandMode == "voice") // Did the user speak or type the command? { SpeakText(audioPlayer, String.Format("MSDN voice heard you say {0}", vcResult.Text)); HandleNlpCommand(vcResult); } else if(commandMode=="text") { msgTextBox.Text= string.Format("Working on your request \"{0}\"", vcResult.Text); HandleNlpCommand(vcResult); }

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41 private void HandleNlpCommand(string recoText, bool actSilently) { string action = null; string navigateTo = null; string searchFor = null; recoText = recoText.ToLower(); if (recoText.Contains("go to ") || recoText.Contains("goto ") || recoText.Contains("find ") || recoText.Contains("search ") || recoText.Contains("show me ")) { action = "navigate"; if (recoText.Contains("windows phone dev center")) { navigateTo = "http://dev.windowsphone.com"; } else if (recoText.Contains("learn how to ")) { action = "find"; searchFor = recoText.Substring(recoText.IndexOf("learn how to ") + 13); } else { action = "find"; searchFor = recoText; } switch (action) { case "find": //...

42 private void HandleNlpCommand(string recoText, bool actSilently) { string action = null; string navigateTo = null; string searchFor = null; recoText = recoText.ToLower(); if (recoText.Contains("go to ") || recoText.Contains("goto ") || recoText.Contains("find ") || recoText.Contains("search ") || recoText.Contains("show me ")) { action = "navigate"; if (recoText.Contains("windows phone dev center")) { navigateTo = "http://dev.windowsphone.com"; } else if (recoText.Contains("learn how to ")) { action = "find"; searchFor = recoText.Substring(recoText.IndexOf("learn how to ") + 13); } else { action = "find"; searchFor = recoText; } switch (action) { case "find": //... if (recoText.Contains("go to ") || recoText.Contains("goto ") || recoText.Contains("find ") || recoText.Contains("search ") || recoText.Contains("show me ")) { action = "navigate"; if (recoText.Contains("windows phone dev center")) { navigateTo = "http://dev.windowsphone.com"; }

43 private void HandleNlpCommand(string recoText, bool actSilently) { string action = null; string navigateTo = null; string searchFor = null; recoText = recoText.ToLower(); if (recoText.Contains("go to ") || recoText.Contains("goto ") || recoText.Contains("find ") || recoText.Contains("search ") || recoText.Contains("show me ")) { action = "navigate"; if (recoText.Contains("windows phone dev center")) { navigateTo = "http://dev.windowsphone.com"; } else if (recoText.Contains("learn how to ")) { action = "find"; searchFor = recoText.Substring(recoText.IndexOf("learn how to ") + 13); } else { action = "find"; searchFor = recoText; } switch (action) { case "find": //... else if (recoText.Contains("learn how to ")) { action = "find"; searchFor = recoText.Substring(recoText.IndexOf("learn how to ") + 13); }

44 private void HandleNlpCommand(string recoText, bool actSilently) { string action = null; string navigateTo = null; string searchFor = null; recoText = recoText.ToLower(); if (recoText.Contains("go to ") || recoText.Contains("goto ") || recoText.Contains("find ") || recoText.Contains("search ") || recoText.Contains("show me ")) { action = "navigate"; if (recoText.Contains("windows phone dev center")) { navigateTo = "http://dev.windowsphone.com"; } else if (recoText.Contains("learn how to ")) { action = "find"; searchFor = recoText.Substring(recoText.IndexOf("learn how to ") + 13); } else { action = "find"; searchFor = recoText; } switch (action) { case "find": //... else { action = "find"; searchFor = recoText; }

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46 // Windows Phone Silverlight App // Synthesis private async void SpeakText(string textToSpeak) { SpeechSynthesizer synthesizer = new SpeechSynthesizer(); await synthesizer.SpeakTextAsync(textToSpeak); } // Recognition private async Task RecognizeSpeech() { SpeechRecognizerUI recognizer = new SpeechRecognizerUI(); // One of three Grammar types available recognizer.Recognizer.Grammars.AddGrammarFromPredefinedType( "key1", SpeechPredefinedGrammar.WebSearch); await recognizer.Recognizer.PreloadGrammarsAsync(); // Optional but recommended // Put up UI and recognize user's utterance SpeechRecognitionUIResult result = await recognizer.RecognizeWithUIAsync(); return result; } // Calling code uses result.RecognitionResult.Text or result.RecognitionResult.Semantics

47 // Windows Phone Silverlight App // Synthesis private async void SpeakText(string textToSpeak) { SpeechSynthesizer synthesizer = new SpeechSynthesizer(); await synthesizer.SpeakTextAsync(textToSpeak); } // Recognition private async Task RecognizeSpeech() { SpeechRecognizerUI recognizer = new SpeechRecognizerUI(); // One of three Grammar types available recognizer.Recognizer.Grammars.AddGrammarFromPredefinedType( "key1", SpeechPredefinedGrammar.WebSearch); await recognizer.Recognizer.PreloadGrammarsAsync(); // Optional but recommended // Put up UI and recognize user's utterance SpeechRecognitionUIResult result = await recognizer.RecognizeWithUIAsync(); return result; } // Calling code uses result.RecognitionResult.Text or result.RecognitionResult.Semantics // Synthesis private async void SpeakText(string textToSpeak) { SpeechSynthesizer synthesizer = new SpeechSynthesizer(); await synthesizer.SpeakTextAsync(textToSpeak); }

48 // Windows Phone Silverlight App // Synthesis private async void SpeakText(string textToSpeak) { SpeechSynthesizer synthesizer = new SpeechSynthesizer(); await synthesizer.SpeakTextAsync(textToSpeak); } // Recognition private async Task RecognizeSpeech() { SpeechRecognizerUI recognizer = new SpeechRecognizerUI(); // One of three Grammar types available recognizer.Recognizer.Grammars.AddGrammarFromPredefinedType( "key1", SpeechPredefinedGrammar.WebSearch); await recognizer.Recognizer.PreloadGrammarsAsync(); // Optional but recommended // Put up UI and recognize user's utterance SpeechRecognitionUIResult result = await recognizer.RecognizeWithUIAsync(); return result; } // Calling code uses result.RecognitionResult.Text or result.RecognitionResult.Semantics // Recognition private async Task RecognizeSpeech() { SpeechRecognizerUI recognizer = new SpeechRecognizerUI(); // One of three Grammar types available recognizer.Recognizer.Grammars.AddGrammarFromPredefinedType( "key1", SpeechPredefinedGrammar.WebSearch); // Optional but recommended await recognizer.Recognizer.PreloadGrammarsAsync();

49 // Windows Phone Silverlight App // Synthesis private async void SpeakText(string textToSpeak) { SpeechSynthesizer synthesizer = new SpeechSynthesizer(); await synthesizer.SpeakTextAsync(textToSpeak); } // Recognition private async Task RecognizeSpeech() { SpeechRecognizerUI recognizer = new SpeechRecognizerUI(); // One of three Grammar types available recognizer.Recognizer.Grammars.AddGrammarFromPredefinedType( "key1", SpeechPredefinedGrammar.WebSearch); await recognizer.Recognizer.PreloadGrammarsAsync(); // Optional but recommended // Put up UI and recognize user's utterance SpeechRecognitionUIResult result = await recognizer.RecognizeWithUIAsync(); return result; } // Calling code uses result.RecognitionResult.Text or result.RecognitionResult.Semantics // Put up UI and recognize user's utterance SpeechRecognitionUIResult result = await recognizer.RecognizeWithUIAsync(); return result;

50 // Windows Phone Store App // Synthesis // C# code behind // Function to speak a text string private async void SpeakText(MediaElement audioPlayer, string textToSpeak) { SpeechSynthesizer synthesizer = new SpeechSynthesizer(); SpeechSynthesisStream ttsStream = await synthesizer.SynthesizeTextToStreamAsync(textToSpeak); audioPlayer.SetSource(ttsStream, ""); // This starts the player because AutoPlay="True" }

51 // Windows Phone Store App // Synthesis // C# code behind // Function to speak a text string private async void SpeakText(MediaElement audioPlayer, string textToSpeak) { SpeechSynthesizer synthesizer = new SpeechSynthesizer(); SpeechSynthesisStream ttsStream = await synthesizer.SynthesizeTextToStreamAsync(textToSpeak); audioPlayer.SetSource(ttsStream, ""); // This starts the player because AutoPlay="True" } // Synthesis

52 // Windows Phone Store App // Synthesis // C# code behind // Function to speak a text string private async void SpeakText(MediaElement audioPlayer, string textToSpeak) { SpeechSynthesizer synthesizer = new SpeechSynthesizer(); SpeechSynthesisStream ttsStream = await synthesizer.SynthesizeTextToStreamAsync(textToSpeak); audioPlayer.SetSource(ttsStream, ""); // This starts the player because AutoPlay="True" } // C# code behind // Function to speak a text string private async void SpeakText(MediaElement audioPlayer, string textToSpeak) { SpeechSynthesizer synthesizer = new SpeechSynthesizer(); SpeechSynthesisStream ttsStream = await synthesizer.SynthesizeTextToStreamAsync(textToSpeak); audioPlayer.SetSource(ttsStream, ""); // This starts the player because AutoPlay="True" }

53 // Windows Phone Store App // Recognition private async Task RecognizeSpeech() { SpeechRecognizer recognizer = new SpeechRecognizer(); // One of three Constraint types available SpeechRecognitionTopicConstraint topicConstraint = new SpeechRecognitionTopicConstraint(SpeechRecognitionScenario.WebSearch, "MSDN"); recognizer.Constraints.Add(topicConstraint); await recognizer.CompileConstraintsAsync(); // Required // Put up UI and recognize user's utterance SpeechRecognitionResult result = await recognizer.RecognizeWithUIAsync(); return result; } // Calling code uses result.RecognitionResult.Text or // result.RecognitionResult.SemanticInterpretation

54 // Windows Phone Store App // Recognition private async Task RecognizeSpeech() { SpeechRecognizer recognizer = new SpeechRecognizer(); // One of three Constraint types available SpeechRecognitionTopicConstraint topicConstraint = new SpeechRecognitionTopicConstraint(SpeechRecognitionScenario.WebSearch, "MSDN"); recognizer.Constraints.Add(topicConstraint); await recognizer.CompileConstraintsAsync(); // Required // Put up UI and recognize user's utterance SpeechRecognitionResult result = await recognizer.RecognizeWithUIAsync(); return result; } // Calling code uses result.RecognitionResult.Text or // result.RecognitionResult.SemanticInterpretation SpeechRecognizer recognizer = new SpeechRecognizer(); // One of three Constraint types available SpeechRecognitionTopicConstraint topicConstraint = new SpeechRecognitionTopicConstraint( SpeechRecognitionScenario.WebSearch, "MSDN"); recognizer.Constraints.Add(topicConstraint); await recognizer.CompileConstraintsAsync(); // Required

55 // Windows Phone Store App // Recognition private async Task RecognizeSpeech() { SpeechRecognizer recognizer = new SpeechRecognizer(); // One of three Constraint types available SpeechRecognitionTopicConstraint topicConstraint = new SpeechRecognitionTopicConstraint(SpeechRecognitionScenario.WebSearch, "MSDN"); recognizer.Constraints.Add(topicConstraint); await recognizer.CompileConstraintsAsync(); // Required // Put up UI and recognize user's utterance SpeechRecognitionResult result = await recognizer.RecognizeWithUIAsync(); return result; } // Calling code uses result.RecognitionResult.Text or // result.RecognitionResult.SemanticInterpretation // Put up UI and recognize user's utterance SpeechRecognitionResult result = await recognizer.RecognizeWithUIAsync(); return result; } // Calling code uses result.RecognitionResult.Text or // result.RecognitionResult.SemanticInterpretation

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