当前,数字化、网络化信息技术迅猛发展,促进媒介创新和融合,推动传播格局巨大变革,视听新媒体应运而生,成为传媒业发展中最为活跃的新生力量,给经济、政治、文化、社会带来广泛而深刻的影响。其中,以网络广播影视、IP电视、手机电视、移动多媒体广播电视(CMMB)、公共视听载体等为代表的视听新媒体,已经成为相对独立的媒体形态,成为人们获取信息资讯和 At present, the rapid development of digitized and networked information technology promotes the innovation and integration of media, promotes the great change of communication pattern, the emergence of new audio-visual media, and becomes the most active new force in the development of the media industry. It gives economic, political, cultural and social band To a wide range of profound impact. Among them, the new audio-visual media represented by Internet radio and television, IPTV, mobile TV, mobile multimedia broadcasting and television (CMMB) and public audiovisual carrier has become a relatively independent media form,