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数字技术将改变人们收看电视的方法.与当今的电视相比,数字电视的屏幕更宽、图像更清晰、声音更动听,给人以家庭影院的享受,数字电视还将为人们在电视上进行交互式购物和上网浏览铺平道路.数字电视最终将取代一直在使用的模拟电视系统.它的清晰度可以提高4倍.今天电视的屏幕宽高比为4:3,近似方形,而明天的数字电视采用16:9宽高比的长方形的屏幕,看这样的电视犹如看宽银幕电影.数字电视的声音不仅可以达到激光唱盘的质量,而且其编码包含了数字环绕立体声的音响效果.
Digital technology will change the way people watch television.Compared with today’s television, digital television screen is wider, the picture clearer, the sound is more pleasant, giving the enjoyment of home theater, digital television will also be for people on television Paving the way for interactive shopping and surfing the web.Digital television will eventually replace the analogue television system that is already in use.Its clarity can be increased by 4. Today’s TV screen aspect ratio of 4: 3, approximate square, and tomorrow’s Digital TVs use a rectangular screen with a 16: 9 aspect ratio and look like a widescreen movie like this. The digital TV sound not only achieves the quality of a compact disc, but its encoding includes digital surround sound.