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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 × ...
youtube-dl was created in 2006 by Ricardo Garcia. [7] Initially, only YouTube was supported, but as the project grew, it began supporting other video sharing websites. [8] Ricardo Garcia stepped down as maintainer in 2011 and was replaced by Philipp Hagemeister, [9] who later stepped down and was replaced by dstftw. [10]
For the resolution commonly referred to as "Ultra HD", see 4K resolution. Diagram of the CIE 1931 color space that shows the Rec. 2020 (UHDTV) color space in the outer triangle and Rec. 709 (HDTV) color space in the inner triangle. Both Rec. 2020 and Rec. 709 use Illuminant D65 for the white point. Ultra-high-definition television (also known ...
30 frames per second. Samsung Galaxy Note 3 (2013) [a] (Snapdragon model) – The first mobile phone with 2160p at 30fps. Samsung Galaxy A8 Star (2018) – First Galaxy A-series device with 4K recording. Apple iPhone 6S / iPhone 6S Plus (2015) – The first iPhones to record in 4K.
Comparison of video converters. Video converters are computer programs that can change the storage format of digital video. They may recompress the video to another format in a process called transcoding, or may simply change the container format without changing the video format. The disadvantages of transcoding are that there is quality loss ...
www.itu.int /rec /T-REC-H.265. High Efficiency Video Coding (HEVC), also known as H.265 and MPEG-H Part 2, is a video compression standard designed as part of the MPEG-H project as a successor to the widely used Advanced Video Coding (AVC, H.264, or MPEG-4 Part 10). In comparison to AVC, HEVC offers from 25% to 50% better data compression at ...
High definition video (prerecorded and broadcast) is defined threefold, by: The number of lines in the vertical display resolution. High-definition television (HDTV) resolution is 1,080 or 720 lines. In contrast, regular digital television (DTV) is 480 lines (upon which NTSC is based, 480 visible scanlines out of 525) or 576 lines (upon which ...
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