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一概述电视数据广播是现有电视信号逆程(VBI)传送电脑文件的广播式通讯系统,借助与数字技术及现有的广播电视覆盖网,电视数据广播将成为大众享受电子商务和INTERNET信息资源的可靠媒体。目前社会需求很大的股票信息,绝大部分股民就是通过电视广播方式,尤其是数据广播方式获得的。新兴的电子报纸、电子商务也是数据广播网的重要应用。可以说电视数据广播是使信息业面向大众最佳方案。因特网“推”技术在数据广播方面的应用,使信息通过有线电视送入千家万户,如今,人们只要有配备通视信息卡的电脑,接上普通电视天线,就可以浏览因特网热门站点,享受信息社会的无穷魅力。
I. INTRODUCTION TV Data Broadcasting is a broadcast communication system for transferring computer files by existing Video Signal Inverters (VBI). With digital technologies and existing broadcast television overlay networks, television data broadcasts will be the public enjoyment of e-commerce and INTERNET information resources Reliable media. At present, the social demand for stock information, the vast majority of investors are obtained through the means of television broadcasting, especially data broadcasting. Emerging electronic newspapers, e-commerce is also an important application of data broadcasting network. It can be said that television data broadcasting is the best solution for the information industry. Internet “push” technology in data broadcasting applications, so that information through cable television into millions of households, and now, as long as people with a TV card equipped with information, connected to the normal TV antenna, you can browse the Internet hot spots , Enjoy the infinite charm of the information society.