January 2019
Beginner to intermediate
745 pages
21h 6m
English
Content preview from Computer Science Illuminated, 7th Edition
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3.6 Representing Video
Video information is one of the most complex types of information to capture, compress, and still get a result that makes sense to the human eye. Video clips contain the equivalent of many still images, each of which must be compressed. The Web is full of video clips with widely varying levels of quality. Some of the quality issues depend on the sophistication of video compression techniques, which are referred to as video codecs.
Video Codecs
Codec stands for COmpressor/DECompressor. A video codec refers to the methods used to shrink the size of a movie so that it can be played on a computer or over a network. Almost all video codecs use lossy compression to minimize the huge amounts of data associated with video. ...
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