| VADFilter Events | 
The VADFilter type exposes the following members.
| Name | Description | |
|---|---|---|
| MediaDataSent | 
            Occurs when the audio data is ready to send.
              (Inherited from AudioHandler.) | |
| ReceiveFormatsChanged | 
            Occurs when an item is added or removed from the ReceiveFormats collection.
              (Inherited from AudioHandler.) | |
| VoiceDetected | 
            Indicates whether the speech is detected in the received media data.
              |