在当今信息革命已全面进入数字化的时代背景下,许多传统工具都将发生数字化革命,而作为对人类社会产生广泛影响的电视业更是如此。随着数字电视技术的发展,我们可以预见,“更加个性、互动、随需而服务”的数字电视时代在未来的20年内将成 With today’s information revolution fully in the digital age, many of the traditional tools will undergo a digital revolution, especially as the television industry, which has a widespread impact on human society. With the development of digital television technology, we can foresee that the digital TV era of "more personality, interaction and on-demand service will be completed in the next 20 years