How to Buy a 1080p DLP TV
Digital Light Processing (DLP) high-definition Televisions (HDTVs) are a type of projection TV that uses mirrors to drastically reduce the depth and weight of the TV. They are usually the most inexpensive type of HDTV.
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Refresh Rate
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The refresh rate on a DLP HDTV indicates how many times per second the image is displayed, with higher numbers indicating that fast-moving objects on the screen will appear smoother and crisper. Refresh rates available as of 2010 are 60hz, 120hz, and 240hz. Shop for a DLP TV with a higher refresh rate if you plan to use your TV for watching sports, watching action movies or playing video games.
Screen Size
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The size of screen simply determines how large the image on the TV will be. A general guideline for choosing screen size is that the screen should be about half as large (measured diagonally) as the distance between the primary seating area and the TV location. In other words, if you will generally sit sit about 10 feet from the TV, a 60-inch screen would be an ideal size.
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Contrast Ratio
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Contrast ratio is a measurement of the difference between the brightest and the darkest color a TV can display. Higher contrast ratios indicate a better overall display of colors, but it should be noted that no standard of measurement for contrast ratio exists. Different manufacturers have different measurement techniques for contrast ratio, so it is useful to compare televisions from the same manufacturer, but not necessarily to compare televisions from different manufacturers.
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References
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