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1引言IPTV 业务是伴随着宽带互联网的飞速发展而兴起的一项新兴的互联网增值业务,它利用宽带互联网的基础设施,以家用电视机和电脑作为主要终端,利用网络机顶盒(STB,Set-TopBox),通过互联网协议来传送电视信
1 INTRODUCTION IPTV service is an emerging internet value-added service that has emerged along with the rapid development of broadband Internet. It takes advantage of broadband internet infrastructure, mainly uses home-use TVs and computers as its main terminals, and utilizes Set-Top Boxes (STBs) ), Through the Internet protocol to send TV letter