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720P

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720p is the shorthand name for a category of HDTV video modes. The number 720 stands for the 720 horizontal scan lines of display resolution, while the letter p stands for progressive scan or non-interlaced. 720p has a widescreen aspect ratio of 16:9, a vertical resolution of 720 pixels and a horizontal resolution of 1280 pixels, that is 1280Ã—720, for a total of 921,600 pixels. The 1280Ã—720 format is always progressive scan, there is no interlace version of 1280Ã—720. For legacy material it can also be used with an aspect ratio of 4:3 and then is 960Ã—720 px.Newer displays have a native resolution higher than a native 1280Ã—720 resolution, often 1366Ã—768, since this reduces manufacturing costs.