前言网络时代的到来,人们对网络服务系统的依赖越来越大,面对挑战,各种传统媒体纷纷掀起与网络捆绑的大潮,以期在与网络的结合中获得一种整合传播效应,广播也没有置身“网”外。他们纷纷应用数字技术、多媒体技术、网络技术,为音频、视频信息网上传播提供保证及支持,从而使音视频与传统网站的图文信息相结合,形成更具有表现力和吸引力的多媒体内容,使在线广播成为可 Preface The advent of the Internet era, people rely on the network service system more and more, in the face of challenges, all kinds of traditional media have set off a tide of network bundles with the network in order to achieve a combination of communication effects, radio Not exposure “net ” outside. They have applied digital technology, multimedia technology and network technology to provide guarantee and support for the online transmission of audio and video information so as to combine the audio and video with the graphic and textual information of traditional websites to form more expressive and attractive multimedia contents. Make online broadcasting possible