RecognizedAudio.Duration 属性  
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
获取已识别音频的输入音频流的持续时间。
public:
 property TimeSpan Duration { TimeSpan get(); };public TimeSpan Duration { get; }member this.Duration : TimeSpanPublic ReadOnly Property Duration As TimeSpan属性值
可识别的音频开始的输入音频流中的持续时间。
示例
以下示例处理 SpeechRecognitionEngine.SpeechRecognized 或 SpeechRecognizer.SpeechRecognized 事件,并将有关与识别结果关联的已识别音频的信息输出到控制台。
// Handle the SpeechRecognized event.   
void SpeechRecognizedHandler(object sender, SpeechRecognizedEventArgs e)  
{  
  if (e.Result == null) return;  
  RecognitionResult result = e.Result;  
  Console.WriteLine("Grammar({0}): {1}",  
    result.Grammar.Name, result.Text);  
  if (e.Result.Audio != null)  
  {  
    RecognizedAudio audio = e.Result.Audio;  
    Console.WriteLine("   start time: {0}", audio.StartTime);  
    Console.WriteLine("   encoding format: {0}", audio.Format.EncodingFormat);  
    Console.WriteLine("   position: {0}, duration: {1}",  
      audio.AudioPosition, audio.Duration);  
  }  
  // Add event handler code here.  
}