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What is High Definition?

12 hours ago ago from 42inch 720p plasma review

It is all about the picture quality. First if we look at normal TV. Normal TV has 288 lines of picture that change between odd and even to give a 576 line image. This is known as 576i with the "I" meaning interlaced (draws every other line in the picture then goes back over the alternate ones). High definition TV starts at 720p with the "p" meaning progressive as all 720 lines are shown at the same time one after the other. Obviously the ...

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