IPTV is a new technology that allows people to access DTV programs and other digital media services on their TVs or computers through internet,enabling them to interact with the content being provided.IPTV brings people fresh entertainment experience and a new breakthrough in communication model and concept for its interactive,individual and asynchronous communication characteristic.Despite unclear regulatory policy,IPTV has been attracting a great deal of attention because of its exciting market forecast.This paper mainly introduces IPTV's major specialties,current development and applications at home and abroad.Finally,the paper discusses the operation models that China needs to build in developing IPTV. |