See 4K TV and UHDTV.
"Ultra High-Def TV." YourDictionary, n.d. Web. 23 June 2018. <http://www.yourdictionary.com/ultra-high-def-tv>.
Ultra High-Def TV. (n.d.). Retrieved June 23rd, 2018, from http://www.yourdictionary.com/ultra-high-def-tv
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