Ultra-High-Definition Television

Matthew S. Goldman


Bedford, NH

At the 2012 International Consumer Electronics Show, consumer television took a leap forward when 4K Ultra-High-Definition TV (UHDTV) displays were introduced. The spatial resolution of 4K UHDTV is 3840 × 2160 pixels, four times the spatial resolution of HDTV (1920 × 1080). While the emphasis at that time was on the greater spatial resolution of the display, the great advantage of UHD has to do with its immersive TV viewing experience or realism. Spatial resolution is just one aspect of several; other enhancements to the content—such as higher frame rates, increased dynamic range, increased color representations, and deeper sample bit depth—greatly increase the ...

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