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Digital Displays: A Little More About High Definition

A display panel can be SD, or standard definition, ED, or enhanced definition, or HD, high definition. Displays are made up of individual picture elements, called pixels. Basically, the idea is the more pixels, the higher the resolution of an image. Thus, an SD display with a pixel count of 704 (horizontal) x 480 vertical) has less resolution than an ED display with 852 x 480 pixels. HD displays, which have even more pixels and are at the top of the resolution food chain for displays, come in three flavors: 720p, 1080i and 1080p. (More on the “i” and the ...

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