数字化、网络化技术推动各类新媒体新业态蓬勃发展,其中以网络广播影视、IP电视、手机电视等为代表的视听新媒体已成为相对独立的媒体形态。按照国家广电总局发展研究中心界定,目前视听新媒体形态主要有两大类:一类基于互联网及移动通信网,侧重发展互动功能,包括网络广播影视、IP电视、手机电视等,另一类仍为单向传播方 Digitization and network technology have promoted the flourishing development of new formats of various new media. Among them, audiovisual new media represented by Internet radio and television, IPTV and mobile TV have become relatively independent forms of media. According to the State Administration of Radio, Film and Television Development Research Center defines the current audio-visual new media forms are mainly two categories: one based on the Internet and mobile communications networks, focusing on the development of interactive features, including Internet radio and television, IPTV, mobile TV, etc., For one-way communication side