浅析IPTV的关键技术及发展前景

Analysis of Key IPTV Technology and Development Prospects of

近年来，随着宽带网络的蓬勃发展，建立在IP网络基础上的IPTV业务进入了快速增涨期。它将电视机、个人电脑及手持设备作为显示终端，通过机顶盒或计算机接入宽带网络，实现数字电视、时移电视、互动电视等服务。对IPTV的概念及优势、系统组成及技术原理、关键技术及市场前景做了简要介绍。

In recent years, with the vigorous development of broadband networks buih on IP network based on the IPTV business into the fast-growing up period. It televisions, personal computers and handheld devices as a display terminal, through the settop box or computer access to broadband networks, digital TV, time-shifted TV, interactive TV and other services. The concept and advantages of IPTV, system composition and technical principles, key technology and market prospects are briefly introduced.