Note
Please see Azure Cognitive Services for Speech documentation for the latest supported speech solutions.
DtmfRecognitionEngine.RecognizeAsync Method (Boolean)
Begins asynchronous recognition.
Namespace: Microsoft.Speech.Recognition
Assembly: Microsoft.Speech (in Microsoft.Speech.dll)
Syntax
'Declaration
Public Sub RecognizeAsync ( _
flushToneBuffer As Boolean _
)
'Usage
Dim instance As DtmfRecognitionEngine
Dim flushToneBuffer As Boolean
instance.RecognizeAsync(flushToneBuffer)
public void RecognizeAsync(
bool flushToneBuffer
)
Parameters
- flushToneBuffer
Type: System.Boolean
Remarks
Recognition will end automatically after a single result is reported.
An InvalidOperationException will be thrown if the DtmfRecognitionEngine has no Grammar objects loaded, or if it is already active.