However, we often get masked sound resulting from focused reflections, dissect reflections, flutter echoes, and too long reverberation time resulting from too voluminous competing-hall.

• 但由于这种体育馆的比赛大厅容积较大，平均自由程较长，混响时间过长，所以声音极其模糊，引起声聚焦、回声、多重回声等音质缺陷的机会非常多。