Microphone.Start Method
Starts microphone audio capture.
Namespace: Microsoft.Xna.Framework.Audio
Assembly: Microsoft.Xna.Framework (in microsoft.xna.framework.dll)
Silverlight applications must ensure that FrameworkDispatcher.Update is called regularly in order for "fire and forget" sounds to work correctly. Start throws an InvalidOperationException if FrameworkDispatcher.Update has not been called at least once before making this call. For more information, see Enable XNA Framework Events in Windows Phone Applications.