SpeechRecognitionEngine.SetInputToDefaultAudioDevice Yöntem

Tanım

Ad Alanı:

System.Speech.Recognition

Bütünleştirilmiş Kod:

System.Speech.dll

Paket:

System.Speech v9.0.0-preview.4.24266.19

Kaynak:

SpeechRecognitionEngine.cs

SpeechRecognitionEngine Nesneyi varsayılan ses cihazından giriş alacak şekilde yapılandırılır.

public:
 void SetInputToDefaultAudioDevice();

public void SetInputToDefaultAudioDevice ();

member this.SetInputToDefaultAudioDevice : unit -> unit

Public Sub SetInputToDefaultAudioDevice ()

Örnekler

Aşağıdaki örnek, temel konuşma tanımayı gösteren bir konsol uygulamasının bölümünü gösterir. Örnek, varsayılan ses cihazından çıkış kullanır, birden çok zaman uyumsuz tanıma işlemi gerçekleştirir ve kullanıcı "exit" tümceciğiyle ifade ettiğinde çıkış yapar.

using System;  
using System.Globalization;  
using System.Speech.Recognition;  
using System.Threading;  

namespace DefaultInput  
{  
  class Program  
  {  
    // Indicate whether asynchronous recognition has finished.  
    static bool completed;  

    static void Main(string[] args)  
    {  
      using (SpeechRecognitionEngine recognizer =  
        new SpeechRecognitionEngine(new CultureInfo("en-US")))  
      {  

        // Create and load the exit grammar.  
        Grammar exitGrammar = new Grammar(new GrammarBuilder("exit"));  
        exitGrammar.Name = "Exit Grammar";  
        recognizer.LoadGrammar(exitGrammar);  

        // Create and load the dictation grammar.  
        Grammar dictation = new DictationGrammar();  
        dictation.Name = "Dictation Grammar";  
        recognizer.LoadGrammar(dictation);  

        // Attach event handlers to the recognizer.  
        recognizer.SpeechRecognized +=  
          new EventHandler<SpeechRecognizedEventArgs>(  
            SpeechRecognizedHandler);  
        recognizer.RecognizeCompleted +=  
          new EventHandler<RecognizeCompletedEventArgs>(  
            RecognizeCompletedHandler);  

        // Assign input to the recognizer.  
        recognizer.SetInputToDefaultAudioDevice();  

        // Begin asynchronous recognition.  
        Console.WriteLine("Starting recognition...");  
        completed = false;  
        recognizer.RecognizeAsync(RecognizeMode.Multiple);  

        // Wait for recognition to finish.  
        while (!completed)  
        {  
          Thread.Sleep(333);  
        }  
        Console.WriteLine("Done.");  
      }  

      Console.WriteLine();  
      Console.WriteLine("Press any key to exit...");  
      Console.ReadKey();  
    }  

    static void SpeechRecognizedHandler(  
      object sender, SpeechRecognizedEventArgs e)  
    {  
      Console.WriteLine("  Speech recognized:");  
      string grammarName = "<not available>";  
      if (e.Result.Grammar.Name != null &&  
        !e.Result.Grammar.Name.Equals(string.Empty))  
      {  
        grammarName = e.Result.Grammar.Name;  
      }  
      Console.WriteLine("    {0,-17} - {1}",  
        grammarName, e.Result.Text);  

      if (grammarName.Equals("Exit Grammar"))  
      {  
        ((SpeechRecognitionEngine)sender).RecognizeAsyncCancel();  
      }  
    }  

    static void RecognizeCompletedHandler(  
      object sender, RecognizeCompletedEventArgs e)  
    {  
      Console.WriteLine("  Recognition completed.");  
      completed = true;  
    }  
  }  
}  

Ayrıca bkz.

• SetInputToAudioStream(Stream, SpeechAudioFormatInfo)
• SetInputToNull()
• SetInputToWaveFile(String)
• SetInputToWaveStream(Stream)
• RecognizeCompleted