RecognizerInfo.SupportedAudioFormats Property

  • Article

Gets the audio formats supported by a SpeechRecognitionEngine.

Namespace: Microsoft.Speech.Recognition
Assembly: Microsoft.Speech (in microsoft.speech.dll)

Syntax

'Declaration

Property Value

A System.Collections.ObjectModel.ReadOnlyCollection of SpeechAudioFormatInfo objects representing the audio formats supported by the SpeechRecognitionEngine.

Example

The example below implements a button click which displays all the information in a RecognizerInfo instance, including the encoding formats supported by a recognition engine configuration and obtained from SupportedAudioFormats, in a Windows.Forms.MessageBox.

private void recognizerInfoButton_Click(object sender, EventArgs e) {
  RecognizerInfo info = _recognizer.RecognizerInfo;
  string AudioFormats = "";
  foreach (SpeechAudioFormatInfo fmt in info.SupportedAudioFormats) {
    AudioFormats += String.Format("       {0}\n",
  fmt.EncodingFormat.ToString());
  }
  string AdditionalInfo = "";
  foreach (string key in info.AdditionalInfo.Keys) {
    AdditionalInfo += String.Format("      {0}: {1}\n", key, info.AdditionalInfo[key]);
  }
  MessageBox.Show(String.Format(
                                "Name:                 {0 }\n" +
                                "Description:          {1} \n" +
                                "SupportedAudioFormats:\n" +
                                "{2} " +
                                "Culture:              {3} \n" +
                                "AdditionalInfo:       \n" +
                                " {4}\n",
                                info.Name.ToString(),
                                info.Description.ToString(),
                                AudioFormats,
                                info.Culture.ToString(),
                               AdditionalInfo));
}

Thread Safety

All public static (Shared in Visual Basic) members of this type are thread-safe. Instance members are not guaranteed to be thread-safe.

Platforms

Development Platforms

Windows XP Professional with Service Pack 2 (SP2), Windows Server 2003, Windows Vista Ultimate Edition, Windows Vista Business Edition, Windows Vista Enterprise Edition

Target Platforms

See Also

Reference

RecognizerInfo Class
RecognizerInfo Members
Microsoft.Speech.Recognition Namespace
RecognizerInfo Class
System.Collections.ObjectModel.ReadOnlyCollection
SpeechRecognizer
SpeechRecognitionEngine
SpeechAudioFormatInfo Class