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High-definition television ( HDTV) describes a television or video system which provides a substantially higher image resolution than the previous generation of technologies. The term has been used since at least 1933; [ 1] in more recent times, it refers to the generation following standard-definition television (SDTV).
High-definition television (HDTV) in the United States was introduced in 1998 and has since become increasingly popular and dominant in the television market. Hundreds of HD channels are available in millions of homes and businesses both terrestrially and via subscription services such as satellite , cable and IPTV .
Ultra-high-definition television (also known as Ultra HD television, Ultra HD, UHDTV, UHD and Super Hi-Vision) today includes 4K UHD and 8K UHD, which are two digital video formats with an aspect ratio of 16:9. These were first proposed by NHK Science & Technology Research Laboratories and later defined and approved by the International ...
Generally, the more pixels you can cram on a surface, the sharper the image. The ATSC set the highest HDTV resolution at 1,920 x 1,080 -- that is 1,920 pixels on each of 1,080 horizontal lines for ...
The original spec was established in late 2012 just as the first high-res TVs debuted, and now the expanded "updated core characteristics" will let customers know the TV or player they're buying ...
Google's latest streaming dongle is so similar to the previous one that when I first opened it up, I experienced a little deja vu. The new Chromecast with Google TV still has a puckish oval design ...
4K resolution refers to a horizontal display resolution of approximately 4,000 pixels. [ 1] Digital television and digital cinematography commonly use several different 4K resolutions. In television and consumer media, 3840 × 2160 ( 4K UHD) with a 16:9 aspect ratio is the dominant 4K standard, whereas the movie projection industry uses 4096 × ...
My first high-definition TV was a 2005-era Philips with several inches worth of ugly plastic bezel. I replaced that with a boxy Samsung plasma set with a slicker 13-millimeter screen border in ...