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YouTube is an American video-sharing website headquartered in San Bruno, California. The site indicates view counts of each uploaded video, making it possible to keep track of the most viewed, many of which continue to exist while others are no longer available on the site. Although the most-viewed were initially viral videos uploaded by amateur content creators, such as " Evolution of Dance ...
Comparison of video codecs. Α video codec is software or a device that provides encoding and decoding for digital video, and which may or may not include the use of video compression and/or decompression. Most codecs are typically implementations of video coding formats . The compression may employ lossy data compression, so that quality ...
Uncompressed video. Uncompressed video is digital video that either has never been compressed or was generated by decompressing previously compressed digital video. It is commonly used by video cameras, video monitors, video recording devices (including general-purpose computers), and in video processors that perform functions such as image ...
This list of most-disliked YouTube videos contains the top 42 videos with the most dislikes of all time, as derived from the American video platform, YouTube 's, charts. [2] The dislike count was taken directly from the page of the video itself. YouTube implemented a like and dislike button on video pages from 2010 as part of a major site redesign. The feature served as a replacement for the ...
This list of most-liked YouTube videos contains the top 30 videos with the most likes of all time, taken directly from the video page. The American video platform YouTube implemented a like and dislike button on these pages in March 2010, part of a major redesign of the site. This served as a replacement for their five-star rating system; [1] YouTube's designers found the previous system ...
A television set with the 16:9 image ratio. 16:9 is a widescreen aspect ratio with a width of 16 units and height of 9 units. Once seen as exotic, [1] since 2009, it has become the most common aspect ratio for televisions and computer monitors, and is also the universal standard image format for the universal 1080p, 2160p and 4320p formats.
The aspect ratio of an image is the ratio of its width to its height. It is expressed as two numbers separated by a colon, width:height. Common aspect ratios are 1.85:1 and 2.40:1 in cinematography, 4:3 and 16:9 in television, and 3:2 in still photography .
Presence is influenced by a number of factors, including video camera techniques, audio fidelity, visual and aural dimensionality, and most relevantly to this topic, image size (visual angle) and quality ( angular resolution ).