“数字电视”与“互动电视”是两个不同的概念,因为电视信号传送技术的数字化并不意味着受众与电视台必须互动。数字信号比较稳定、清晰、高度传真,这种播出技术将逐步替代现行的模拟信号技术。事实上中国有许多电视台,例如福建电视台,早在1997年就宣称他们已经“全数字化播出”。至于“互动”的概念,上过国际互联网的人都已经经历过那种“点击——进入——再点击——再进入”的对话框方 “Digital television” and “interactive television” are two different concepts because the digitalization of television signal transmission does not mean that the audience and the television station must interact. Digital signal is relatively stable, clear, high degree of fax, this broadcast technology will gradually replace the existing analog signal technology. In fact, there are many television stations in China, such as Fujian Television Station, which claimed long ago that they had “all-digital broadcast” in 1997. As for the concept of “interaction”, anyone who has been on the Internet has experienced the type of “click-and-click-reenter” dialog