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Absolute Category Rating (ACR) is a test method used in quality tests. [1] [2] The levels of the scale are, sorted by quality in decreasing order: Excellent; Good; Fair; Poor; Bad; In this method, a single test condition (generally an image or a video sequence) is presented to the viewers once only. They should then give a quality rating on an ...
Phonics Song with Two Words from children's channel ChuChu TV is the most viewed video in India and is the 7th most viewed YouTube video in the world. "Why This Kolaveri Di" become the first Indian music video to cross 100 million views. [1] [2] "Swag Se Swagat" became the first Indian music video to cross 500 million views on YouTube.
ACR-HR (Absolute Category Rating with Hidden Reference): a variation of ACR, in which an original unimpaired source sequence is shown in addition to the impaired sequences, without informing the subjects of its presence (hence, "hidden"). The ratings are calculated as differential scores between the reference and the impaired versions.
On July 14, 2022, YouTube made a special playlist and video celebrating the 317 music videos to have hit 1 billion views and joined the "Billion Views Club". [ 65 ] [ 66 ] On April 1, 2024, the communications app Discord incorporated a short trailer video into their in-app April Fools' Day prank regarding loot boxes .
Mean opinion score (MOS) is a measure used in the domain of Quality of Experience and telecommunications engineering, representing overall quality of a stimulus or system.. It is the arithmetic mean over all individual "values on a predefined scale that a subject assigns to his opinion of the performance of a system quality".
This category has the following 12 subcategories, out of 12 total. * YouTube-related lists (1 C, 10 P) C. YouTube channels (7 C, 197 P) ... Pages in category "YouTube"
With this new feature, YouTube began a switchover to H.264/MPEG-4 AVC as its default video compression format. In November 2009, 1080p HD support was added. In July 2010, YouTube announced that it had launched a range of videos in 4K format, which allows a resolution of up to 4096×3072 pixels.
The ratings are done in a distributed fashion through parameters in the {{WikiProject Wikipedia}} banner; this causes the articles to be placed in the appropriate sub-categories of Category:Wikipedia articles by quality and Category:Wikipedia articles by importance, which serves as the foundation for an automatically generated worklist.