Recently, the emerging high quality streaming audio, voice, and video for multimedia services on the Internet is progressively popular; voice over IP (VoIP) and video on demand (VOD) services are two typical examples.

• 近年来，高品质的即时串流影音与网际网路上影像的多媒体服务渐趋热门；网际网路电话以及随选视讯服务即为两种典型。