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Learn about the types, features and examples of video file formats, such as .webm, .mp4, .avi and more. A video file format is a way of storing digital video data on a computer system using lossy compression.
Learn how video codecs are software or devices that provide encoding and decoding for digital video, and how they differ in quality, performance, and features. Compare various codecs such as HEVC, H.264, MPEG, and more.
Data compression ratio is a measurement of the relative reduction in size of data representation produced by a data compression algorithm. It is typically expressed as the division of uncompressed size by compressed size, or as the data-rate saving for signals of indefinite size.
Lossy compression is a data compression method that uses inexact approximations and partial data discarding to reduce data size. Learn about the types of lossy compression, such as transform coding, perceptual coding, and irreversible compression, and see examples of lossy compression algorithms for audio, video, and images.
Digital video is an electronic representation of moving visual images in the form of encoded digital data, in contrast to analog video. Learn about the history of digital video cameras, coding and production, and the popular compressed formats such as MPEG-2, H.264 and AV1.
This category dedicated to video compression issues (mainly video codec parts). See also: category:video codecs , video file format , audio file format , and container format Subcategories
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