SpeechDetectedEventArgs.AudioPosition Property


Gets the position in the audio stream where speech was detected.

 property TimeSpan AudioPosition { TimeSpan get(); };
public TimeSpan AudioPosition { get; }
member this.AudioPosition : TimeSpan
Public ReadOnly Property AudioPosition As TimeSpan

Property Value


Returns the location of a detected phrase within a recognition engine's speech buffer.


The example below creates a handler for SpeechRecognizer.SpeechDetected or SpeechRecognitionEngine.SpeechDetected events. The handler initializes a display each time speech is detected and displays status information, including audio position.

_recognizer.SpeechDetected +=  
  delegate(object sender, SpeechDetectedEventArgs eventArgs)   

    // Clear previous recognition information.  
    _audioDeviceStatusLabel.Enabled = true;  
    _audioDeviceStatusLabel.Visible = true;  
    Utils.DisplayAudioInputFormat(_audioStateLabel, _recognizer);  
    Utils.DisplayRecognizerState(_recognizerStateLabel, _recognizer.State);  
    Utils.DisplaySpeechDetected(_speechDetectedLabel, eventArgs.AudioPosition);  

Applies to

See also