SpeechRecognitionEngine.InstalledRecognizers Method ()
.NET Framework (current version)
Returns information for all of the installed speech recognizers on the current system.
Assembly: System.Speech (in System.Speech.dll)
Return Value
Type: System.Collections.ObjectModel.ReadOnlyCollection<RecognizerInfo>A read-only collection of the RecognizerInfo objects that describe the installed recognizers.
To get information about the current recognizer, use the RecognizerInfo property.
The following example shows part of a console application that demonstrates basic speech recognition. The example uses the collection returned by the InstalledRecognizers method to find a speech recognizer that supports the English language.
using System; using System.Speech.Recognition; namespace SpeechRecognitionApp { class Program { static void Main(string[] args) { // Select a speech recognizer that supports English. RecognizerInfo info = null; foreach (RecognizerInfo ri in SpeechRecognitionEngine.InstalledRecognizers()) { if (ri.Culture.TwoLetterISOLanguageName.Equals("en")) { info = ri; break; } } if (info == null) return; // Create the selected recognizer. using (SpeechRecognitionEngine recognizer = new SpeechRecognitionEngine(info)) { // Create and load a dictation grammar. recognizer.LoadGrammar(new DictationGrammar()); // Add a handler for the speech recognized event. recognizer.SpeechRecognized += new EventHandler<SpeechRecognizedEventArgs>(recognizer_SpeechRecognized); // Configure input to the speech recognizer. recognizer.SetInputToDefaultAudioDevice(); // Start asynchronous, continuous speech recognition. recognizer.RecognizeAsync(RecognizeMode.Multiple); // Keep the console window open. while (true) { Console.ReadLine(); } } } // Handle the SpeechRecognized event. static void recognizer_SpeechRecognized(object sender, SpeechRecognizedEventArgs e) { Console.WriteLine("Recognized text: " + e.Result.Text); } } }
.NET Framework
Available since 3.0
Available since 3.0
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