What’s the difference between analog and digital television sets?
The most obvious difference is the screen size. The current NTSC system uses a 4:3 picture ratio, which is somewhat square. Digital TV, however, uses 16:9 screen format that is considerably more horizontal, much like a movie screen. Consequently, you can view movies in a format much closer to what the film director intended, and view sports events in a much grander scale. Also, in NTSC analog format, your picture is made up of horizontal lines. In digital TV, however, your picture is composed of millions of individual picture elements (pixels) much like a digital camera or computer screen. Consequently, there is a fineness of detail and richness of color that the older NTSC system cannot hope to match. Your result is a stunningly clear television picture in your home. There are two formats available for hi-definition television. First is 1080i, which is an interlaced scanning format similar to your analog television. Currently, CBS and NBC have adopted this format. The second format is
