4/3/2023 0 Comments Java hd video player![]() ![]() What is 4K Ultra HD? Technically speaking, 4K refers to a digital cinema standard that calls for a 4096 x 2160 pixel resolution. From Optoma The UHD38 delivers impressive cinema-quality images with 4,000 lumens, an ultra-low input lag of 4.2ms, and a high refresh rate of 240Hz - perfect for a competitive gaming advantage. ![]() This is double both the horizontal and vertical measurements of the 1920 x 1080 standard (1080p, AKA Full HD) that most of us use today, offering four times the overall pixel resolution. Now the arrival of 4K videos add the number of main resolution standards for use in the home into four: standard definition (480p/540p), high definition (720p), full high definition (1080p) and ultra high definition (2160p). ![]()
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