Updated 26 May, 2017, 11:00 pm IST

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Aspect Ratio-Televisions

The ratio of width to height for an image or screen. The North American NTSC television standard uses the squarish 4:3 (1.33:1) ratio. HDTVs use the wider 16:9 ratio (1.78:1) to better display widescreen material like high-definition broadcasts and DVDs.

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