By graphics I'm referring to information that is posted during a broadcast such as ESPN (game statistics) or CNBC (stock charts). Even on SD stations, the graphics are usually razor sharp, equal to HD quality. I'm wondering why they are so much sharper than the rest of the broadcast. What is it about graphics that enables them to be shown with such detail? I have both a Fuji and NEC 50" plasma.
Those graphics are flat color, there are no gradations and very few curves. Like it web graphics, text and flat color shapes are very easily shown in near lossless detail where as photos need to be highly compressed to equal that size. I would assume that the additional millions of colors, much finer detail, varing tones, shades, gradients all add to a more difficult rendering after the signal has been compressed.
Maybe also because those images are mostly static on the screen and therefore do not have much motion noise? The colors, brightness, etc never change so they appear more pristine?
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