RecognizedAudio.Duration Property

 

Gets the duration of the input audio stream for the recognized audio.

Namespace:   System.Speech.Recognition
Assembly:  System.Speech (in System.Speech.dll)

public TimeSpan Duration { get; }

Property Value

Type: System.TimeSpan

The duration within the input audio stream for the recognized audio.

The following example handles the SpeechRecognitionEngine.SpeechRecognized or SpeechRecognizer.SpeechRecognized event and outputs to the console information about the recognized audio that is associated with the recognition result.


// Handle the SpeechRecognized event. 
void SpeechRecognizedHandler(object sender, SpeechRecognizedEventArgs e)
{
  if (e.Result == null) return;

  RecognitionResult result = e.Result;

  Console.WriteLine("Grammar({0}): {1}",
    result.Grammar.Name, result.Text);

  if (e.Result.Audio != null)
  {
    RecognizedAudio audio = e.Result.Audio;

    Console.WriteLine("   start time: {0}", audio.StartTime);
    Console.WriteLine("   encoding format: {0}", audio.Format.EncodingFormat);
    Console.WriteLine("   position: {0}, duration: {1}",
      audio.AudioPosition, audio.Duration);
  }

  // Add event handler code here.
}

.NET Framework
Available since 3.0
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