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You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
youtube-dl is a free and open source software tool for downloading video and audio from YouTube [3] and over 1,000 other video hosting websites. [4] It is released under the Unlicense software license. [5] As of September 2021, youtube-dl is one of the most starred projects on GitHub, with over 100,000 stars. [6]
Channel is a conventional term used to refer to a certain component of an image. In reality, any image format can use any algorithm internally to store images. For instance, GIF images actually refer to the color in each pixel by an index number, which refers to a table where three color components are stored. However, regardless of how a ...
Original file (SVG file, nominally 512 × 360 pixels, file size: 3 KB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Original file (SVG file, nominally 512 × 114 pixels, file size: 6 KB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
The ratio of the width to the height of an image is known as the aspect ratio, or more precisely the display aspect ratio (DAR) – the aspect ratio of the image as displayed; for TV, DAR was traditionally 4:3 (a.k.a. fullscreen), with 16:9 (a.k.a. widescreen) now the standard for HDTV.
CIF defines a video sequence with a resolution of 352 × 288, which has a simple relationship to the PAL picture size, but with a frame rate of 30000/1001 (roughly 29.97) frames per second like NTSC, with color encoded using a YCbCr representation with 4:2:0 color sampling. It was designed as a compromise between PAL and NTSC schemes, since it ...
The use of 14:9 to adapt full screen content for widescreen channels, by contrast, is much less common in the US, where pillarboxing and stretching are more commonly used (stretching is primarily used by Turner's Flexview). Only the HD simulcast channels of Warner Bros. Discovery used 14:9 for its previous episodes of their productions.