private void sayThePhrase(Guid id) { Bundle arguments = new Bundle(); //arguments.PutFloat(Engine.KeyParamVolume, 1.0f); speechEngine.Speak(phrase, QueueMode.Add, arguments, id.ToString()); speechEngine.PlaySilentUtterance((int)pauseTime.TotalMilliseconds, QueueMode.Add, Guid.NewGuid().ToString()); }