IPTV即网络电视,是目前一种新兴的网络应用，它利用宽带互联网的基础设施，以家用电视机作为主要终端，通过互联网协议（IP）来提供包括电视节目在内的多种数字媒体服务及其增值业务的技术-IPTV or Internet TV, is an emerging network applications, which uses broadband Internet infrastructure in order to home TV as the main terminal, through the Internet Protocol (IP) to provide, including television programs, including a variety of digital media services and of its value-added business technology