Video Compression

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Definition

"Video Compression refers to the methods for reducing the quantity of data used to represent video. It is a straight forward combination of image compression and motion compensation. To compress a video file we need two things: a video Codec and a video editing tool." (http://xylem.aegean.gr/~modestos/mo.blog/)

Examples

"Theora is a video compression technology being developed by the Xiph.Org Foundation as part of their Ogg project. Based upon On2 Technologies’ VP3 codec, and christened by On2 as the successor in VP3’s lineage, Theora is targeted at competing with MPEG-4 video (e.g., the x264, Xvid and DivX codecs), RealVideo, Windows Media Video, and similar lower-bitrate video compression schemes. Xiph and Theora are considered the most promising projects for video compression. mainly supported by linux/unix operating systems. It supports playback for Linux, MacOS and Windows. You can use this player: VLC" (http://xylem.aegean.gr/~modestos/mo.blog/)

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