Chapter 12

Digital Television

Digital Television in the UK

Did you know that roughly 80% of the information you receive through your television set is of absolutely no use to you? Yes, I know that sometimes it seems like 80% of the programmes in the schedule are repeats, cookery or gardening, but even if you are watching a particularly gripping episode of your favourite drama series, you can still only appreciate about a fifth of the information content that makes up the sound and picture. The human visual system is particularly selective in what it chooses to see. It has to do this in order to make a reasonable amount of sense of the world, and a vast amount of useless information is simply ignored. Existing video and television systems take ...

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