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随着科学技术特别是数字技术的发展,我们已经进入信息化、数字化时代。电视广播也将全面数字化,传统的电视媒体将在技术、功能上逐步与信息、通信领域的其他手段相互融合,从而形成全新的、庞大的数字电视产业。这一新兴产业已经引起广泛的关注,许多国家根据自己的国情,分别制定出了由模拟电视向数字电视过渡的方案和产业目标。数字电视被各国视为新世纪的战略技术。
With the development of science and technology, especially digital technology, we have entered the era of information and digitalization. Television broadcasting will also be fully digitized. The traditional television media will be gradually merged with other means in the fields of information and communications in terms of technology and function, forming a brand new and huge digital television industry. This emerging industry has drawn wide attention. Many countries have formulated their own programs and industrial targets for the transition from analogue television to digital television according to their own national conditions. Digital television is regarded by all countries as a strategic technology in the new century.