Information can be squeezed into a smaller space.
Video Compression
Digital video can take up an enormous amount of signal bandwidth, whether it is going down a cable or being transmitted over the air. Video compression allows that information to be compressed into a smaller bandwidth. When you are dealing with a limited amount of space (or bandwidth) the ability to compress more information into less space is a real advantage.
One great advantage of digital video is that it is much easier to manipulate and modify than analog information. Since the digital video signal is made up of a series of numbers, computer programs and mathematical formulas can be developed to add numbers, change numbers, or subtract numbers, thus adding video, changing ...
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