SpeechRecognizer.AudioSignalProblemOccurred Evento
Definição
Ocorre quando o reconhecedor encontra um problema no sinal de áudio.Occurs when the recognizer encounters a problem in the audio signal.
public:
event EventHandler<System::Speech::Recognition::AudioSignalProblemOccurredEventArgs ^> ^ AudioSignalProblemOccurred;
public event EventHandler<System.Speech.Recognition.AudioSignalProblemOccurredEventArgs> AudioSignalProblemOccurred;
member this.AudioSignalProblemOccurred : EventHandler<System.Speech.Recognition.AudioSignalProblemOccurredEventArgs>
Public Custom Event AudioSignalProblemOccurred As EventHandler(Of AudioSignalProblemOccurredEventArgs)
Tipo de evento
Exemplos
O exemplo a seguir define um manipulador de eventos que reúne informações sobre um AudioSignalProblemOccurred evento.The following example defines an event handler that gathers information about an AudioSignalProblemOccurred event.
private SpeechRecognizer recognizer;
// Initialize the speech recognition engine.
private void Initialize()
{
recognizer = new SpeechRecognizer();
// Add a handler for the AudioSignalProblemOccurred event.
recognizer.AudioSignalProblemOccurred +=
new EventHandler<AudioSignalProblemOccurredEventArgs>(
recognizer_AudioSignalProblemOccurred);
}
// Gather information when the AudioSignalProblemOccurred event is raised.
void recognizer_AudioSignalProblemOccurred(object sender, AudioSignalProblemOccurredEventArgs e)
{
StringBuilder details = new StringBuilder();
details.AppendLine("Audio signal problem information:");
details.AppendFormat(
" Audio level: {0}" + Environment.NewLine +
" Audio position: {1}" + Environment.NewLine +
" Audio signal problem: {2}" + Environment.NewLine +
" Recognition engine audio position: {3}" + Environment.NewLine,
e.AudioLevel, e.AudioPosition, e.AudioSignalProblem,
e.recoEngineAudioPosition);
// Insert additional event handler code here.
}
Comentários
Para obter Qual problema ocorreu, use a AudioSignalProblem Propriedade do associado AudioSignalProblemOccurredEventArgs .To get which problem occurred, use the AudioSignalProblem property of the associated AudioSignalProblemOccurredEventArgs.
Quando você cria um delegado para um AudioSignalProblemOccurred evento, identifica o método que manipulará o evento.When you create a delegate for an AudioSignalProblemOccurred event, you identify the method that will handle the event. Para associar o evento ao manipulador de eventos, adicione uma instância do delegado ao evento.To associate the event with your event handler, add an instance of the delegate to the event. O manipulador de eventos é chamado sempre que o evento ocorre, a menos que você remova o representante.The event handler is called whenever the event occurs, unless you remove the delegate. Para obter mais informações sobre delegados de manipulador de eventos, consulte eventos e delegados.For more information about event-handler delegates, see Events and Delegates.