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目前,正当人们在VCD能流行多久、DVD究竟何时才能替代VCD的一片沸沸扬扬争论之中时,一种比传统电视系统更加先进、更加优越的VOD(视频点播系统)已悄悄向我们走来。何谓VOD VOD是英文Video on Demand的缩写,意思是按用户的要求播放视频节目。这种以“选择权在用户”的崭新概念为基础的双向视频信息系统,人们也将它称之为交互式电视系统(即interactive TV System),它的出现彻底改变了传统电视系统的单向信息传送方式。即便是近几年来推出的有线电视、加密电视等新颖电视传媒方式,论其实质不过是为用户提供了
At the moment, just as people are vying for VCDs and when DVDs can replace VCD, a more advanced and superior VOD (video-on-demand system) than traditional TV systems has quietly come to us. What is VOD VOD is an abbreviation of English Video on Demand, which means that the video program is played according to the user’s requirement. This two-way video information system, based on a brand new concept of “user right of choice,” is also referred to as the interactive television system (“interactive TV system”). Its appearance has completely changed the traditional one-way Information transmission method. Even in recent years the introduction of cable television, encrypted TV and other new television media, on its essence, but to provide users