SpeechDetectedEventArgs Class

  • Article

Returns data from the SpeechDetected event.

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

Syntax

'Declaration
Public Class SpeechDetectedEventArgs
    Inherits EventArgs

public class SpeechDetectedEventArgs : EventArgs

public ref class SpeechDetectedEventArgs : public EventArgs

public class SpeechDetectedEventArgs extends EventArgs

public class SpeechDetectedEventArgs extends EventArgs

Remarks

An instance of SpeechDetectedEventArgs is created when the SpeechRecognitionEngine. SpeechDetected event is raised.

SpeechDetected events are generated when a recognition engine can identify input audio as human speech.

SpeechDetectedEventArgs derives from System.EventArgs.

Inheritance Hierarchy

System.Object
   System.EventArgs
    Microsoft.Speech.Recognition.SpeechDetectedEventArgs

Example

In the example below, a handler is created for SpeechDetected events which initializes a display every 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.DisplayAudioInputStatus(_audioDeviceStatusLabel, _recognizer.AudioStatus);
        Utils.DisplaySpeechDetected(_speechDetectedLabel, eventArgs.AudioPosition);
};

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

SpeechDetectedEventArgs Members
Microsoft.Speech.Recognition Namespace
AudioStatusChanged
SpeechDetected