Contains a list of possible states for the audio input to a speech recognition engine.
Namespace:
Microsoft.Speech.Recognition
Assembly:
Microsoft.Speech (in Microsoft.Speech.dll)
Syntax
| Visual Basic (Declaration) |
|---|
Public Enumeration AudioState |
| Visual Basic (Usage) |
|---|
Dim instance As AudioState |
| C# |
|---|
public enum AudioState |
Members
| Member name | Description | |
|---|---|---|
| Stopped | Not processing audio input. | |
| Silence | Receiving silence or non-speech background noise. | |
| Speech | Receiving speech input. |
Remarks
An AudioStateChanged event is generated whenever the recognition engine's AudioState changes. When the AudioStateChanged event is raised, the AudioState property gets a member of the AudioState enumeration to describe the state of the audio input to the speech recognition engine.
You can obtain the state of the audio input to the speech recognition engine at any time using the SpeechRecognitionEngine..::..AudioState property.
Examples
The following example demonstrates an event handler that handles the changing audio state of a speech recognizer.
| C# | Copy Code |
|---|---|
private SpeechRecognitionEngine sre;
// Initializes the speech recognition engine.
private void Initialize()
{
sre = new SpeechRecognitionEngine();
// Add a handler for the AudioStateChanged event.
sre.AudioStateChanged += new EventHandler<AudioStateChangedEventArgs>(sre_AudioStateChanged);
// Add other initialization code here.
}
// Handle the AudioStateChanged event.
void sre_AudioStateChanged(object sender, AudioStateChangedEventArgs e)
{
AudioState newState = e.AudioState;
// Handle event here.
}
| |
See Also
