SpeechRecognitionEngine.RequestRecognizerUpdate Méthode

Source:

SpeechRecognitionEngine.cs

Source:

SpeechRecognitionEngine.cs

Source:

SpeechRecognitionEngine.cs

public:
 void RequestRecognizerUpdate(System::Object ^ userToken, TimeSpan audioPositionAheadToRaiseUpdate);

public void RequestRecognizerUpdate (object userToken, TimeSpan audioPositionAheadToRaiseUpdate);

member this.RequestRecognizerUpdate : obj * TimeSpan -> unit

Public Sub RequestRecognizerUpdate (userToken As Object, audioPositionAheadToRaiseUpdate As TimeSpan)

Paramètres

Remarques

Le module de reconnaissance n’initie pas la demande de mise à jour du module de reconnaissance tant que celui du module de reconnaissance n’est RecognizerAudioPosition pas égal au plus audioPositionAheadToRaiseUpdateactuelAudioPosition.

Lorsque l’outil de reconnaissance génère l’événement RecognizerUpdateReached , la UserToken propriété de contient RecognizerUpdateReachedEventArgs la valeur du userToken paramètre.

Voir aussi

• RecognizerUpdateReached
• RecognizerAudioPosition
• AudioPosition

Source:

SpeechRecognitionEngine.cs

Source:

SpeechRecognitionEngine.cs

Source:

SpeechRecognitionEngine.cs

public:
 void RequestRecognizerUpdate(System::Object ^ userToken);

public void RequestRecognizerUpdate (object userToken);

member this.RequestRecognizerUpdate : obj -> unit

Public Sub RequestRecognizerUpdate (userToken As Object)

Paramètres

Remarques

Lorsque l’outil de reconnaissance génère l’événement RecognizerUpdateReached , la UserToken propriété de contient RecognizerUpdateReachedEventArgs la valeur du userToken paramètre.

Pour spécifier un décalage de position audio, utilisez la RequestRecognizerUpdate méthode .

Voir aussi

• RecognizerUpdateReached
• RecognizerAudioPosition
• AudioPosition

Source:

SpeechRecognitionEngine.cs

Source:

SpeechRecognitionEngine.cs

Source:

SpeechRecognitionEngine.cs

public:
 void RequestRecognizerUpdate();

public void RequestRecognizerUpdate ();

member this.RequestRecognizerUpdate : unit -> unit

Public Sub RequestRecognizerUpdate ()

Exemples

L’exemple suivant montre une application console qui charge et décharge des Grammar objets. L’application utilise la RequestRecognizerUpdate méthode pour demander au moteur de reconnaissance vocale de suspendre afin qu’il puisse recevoir une mise à jour. L’application charge ou décharge ensuite un Grammar objet.

À chaque mise à jour, un gestionnaire d’événement RecognizerUpdateReached écrit le nom et la status des objets actuellement chargés Grammar dans la console. À mesure que les grammaires sont chargées et déchargées, l’application reconnaît d’abord les noms des animaux de ferme, puis les noms des animaux de ferme et les noms des fruits, puis uniquement les noms des fruits.

using System;  
using System.Speech.Recognition;  
using System.Collections.Generic;  
using System.Threading;  

namespace SampleRecognition  
{  
  class Program  
  {  
    private static SpeechRecognitionEngine recognizer;  
    public static void Main(string[] args)  
    {  

      // Initialize an in-process speech recognition engine and configure its input.  
      using (recognizer = new SpeechRecognitionEngine(new System.Globalization.CultureInfo("en-US")))  
      {  
        recognizer.SetInputToDefaultAudioDevice();  

        // Create the first grammar - Farm.  
        Choices animals = new Choices(new string[] { "cow", "pig", "goat" });  
        GrammarBuilder farm = new GrammarBuilder(animals);  
        Grammar farmAnimals = new Grammar(farm);  
        farmAnimals.Name = "Farm";  

        // Create the second grammar - Fruit.  
        Choices fruit = new Choices(new string[] { "apples", "peaches", "oranges" });  
        GrammarBuilder favorite = new GrammarBuilder(fruit);  
        Grammar favoriteFruit = new Grammar(favorite);  
        favoriteFruit.Name = "Fruit";  

        // Attach event handlers.  
        recognizer.SpeechRecognized +=  
          new EventHandler<SpeechRecognizedEventArgs>(recognizer_SpeechRecognized);  
        recognizer.RecognizerUpdateReached +=  
          new EventHandler<RecognizerUpdateReachedEventArgs>(recognizer_RecognizerUpdateReached);  
        recognizer.SpeechRecognitionRejected +=  
          new EventHandler<SpeechRecognitionRejectedEventArgs>(recognizer_SpeechRecognitionRejected);  

        // Load the Farm grammar.  
        recognizer.LoadGrammar(farmAnimals);  

        // Start asynchronous, continuous recognition.  
        recognizer.RecognizeAsync(RecognizeMode.Multiple);  
        Console.WriteLine("Starting asynchronous, continuous recognition");  
        Console.WriteLine("  Farm grammar is loaded and enabled.");  

        // Pause to recognize farm animals.  
        Thread.Sleep(7000);  
        Console.WriteLine();  

        // Request an update and load the Fruit grammar.  
        recognizer.RequestRecognizerUpdate();  
        recognizer.LoadGrammarAsync(favoriteFruit);  
        Thread.Sleep(7000);  

        // Request an update and unload the Farm grammar.  
        recognizer.RequestRecognizerUpdate();  
        recognizer.UnloadGrammar(farmAnimals);  
        Thread.Sleep(7000);  
      }  

      // Keep the console window open.  
      Console.WriteLine();  
      Console.WriteLine("Press any key to exit...");  
      Console.ReadKey();  
    }  

    // At the update, get the names and enabled status of the currently loaded grammars.  
    public static void recognizer_RecognizerUpdateReached(  
      object sender, RecognizerUpdateReachedEventArgs e)  
    {  
      Console.WriteLine();  
      Console.WriteLine("Update reached:");  
      Thread.Sleep(1000);  

      string qualifier;  
      List<Grammar> grammars = new List<Grammar>(recognizer.Grammars);  
      foreach (Grammar g in grammars)  
      {  
        qualifier = (g.Enabled) ? "enabled" : "disabled";  
        Console.WriteLine("  {0} grammar is loaded and {1}.",  
        g.Name, qualifier);  
      }  
    }  

    // Write the text of the recognized phrase to the console.  
    static void recognizer_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)  
    {  
      Console.WriteLine("    Speech recognized: " + e.Result.Text);  
    }  

    // Write a message to the console when recognition fails.  
    static void recognizer_SpeechRecognitionRejected(object sender, SpeechRecognitionRejectedEventArgs e)  
    {  
      Console.WriteLine("    Recognition attempt failed");  
    }  
  }  
}  

Remarques

Lorsque l’outil de reconnaissance génère l’événement RecognizerUpdateReached , la UserToken propriété de est RecognizerUpdateReachedEventArgsnull.

Pour fournir un jeton utilisateur, utilisez la RequestRecognizerUpdate méthode ou RequestRecognizerUpdate . Pour spécifier un décalage de position audio, utilisez la RequestRecognizerUpdate méthode .

Voir aussi

• RecognizerUpdateReached
• RecognizerAudioPosition
• AudioPosition