SpeechRecognitionConnector.AttachFlow Method
Specifies which AudioVideoFlow will provide audio data for speech recognition. Only one AudioVideoFlow may be attached at a time.
Namespace: Microsoft.Rtc.Collaboration.AudioVideo
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Public Sub AttachFlow ( _
audioVideoFlow As AudioVideoFlow _
)
'Usage
Dim instance As SpeechRecognitionConnector
Dim audioVideoFlow As AudioVideoFlow
instance.AttachFlow(audioVideoFlow)
public void AttachFlow(
AudioVideoFlow audioVideoFlow
)
Parameters
- audioVideoFlow
Type: Microsoft.Rtc.Collaboration.AudioVideo.AudioVideoFlow
The AudioVideoFlow to use
Exceptions
| Exception | Condition |
|---|---|
| InvalidOperationException | Thrown when an AudioVideoFlow is already attached or when an AudioVideoFlow is already attached to another SpeechRecognitionConnector. |
Examples
The following example attaches and detaches a ToneController by the time AudioVideoFlow changes its state to Active and Terminated.
C# Attaching and detaching an AudioVideoFlow.
audioVideoFlow.StateChanged += delegate(object sender, MediaFlowStateChangedEventArgs args)
{
AudioVideoFlow avFlow = (AudioVideoFlow)sender;
if(avFlow.State == MediaFlowState.Active)
{
SpeechRecognitionConnector speechRecognitionConnector = new SpeechRecognitionConnector();
speechRecognitionConnector.AttachFlow(avFlow);
}
else if(avFlow.State == MediaFlowState.Terminated)
{
if (avFlow.SpeechRecognitionConnector != null)
{
avFlow.SpeechRecognitionConnector.DetachFlow();
}
}
};
See Also
Reference
SpeechRecognitionConnector Class