![]() ![]() ![]() ![]() SDTVs use progressive scan (thus the p in 480p), so all pixels on the page refresh at the same time. SDTVs are usually box shaped (4:3 ratio) but some have a widescreen option (16:9 ratio).Ĥ80p SDTVs display 480 lines of pixels top to bottom and 640 lines of pixels left to right. The more pixels, the better the picture quality or definition. Your TV's screen resolution determines how many dots, called pixels, make up the image you see. An explanation of screen shapes, resolutions, and definitions ![]()
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