DivX is a brand name of products created by DivX, Inc. (formerly DivXNetworks, Inc., later purchased by Sonic Solutions and currently part of the Rovi Corporation formerly known as Macrovision), including the DivX Codec which became popular due to its ability to compress lengthy video segments into small sizes while maintaining relatively high visual quality.
There are two DivX codecs; the regular MPEG-4 Part 2 DivX codec and the H.264/MPEG-4 AVC DivX plus HD codec. It is one of several codecs commonly associated with “ripping”, whereby audio and video multimedia is transferred to a hard disk and transcended. Rovi Corporation has announced that the support for DivX 8.x for Windows, DivX 7.x for Mac, DivX Author and MPEG-2/DVD Plug-in ends on December 28, 2012, albeit its DivX 9 software remains in development (beta stage).
DivX codec was developed by bunch of hackers, most notably a guy called gej and it is based on Microsoft’s version of MPEG-4 encoding technology, called as Windows Media Video V3. And Basically Microsoft’s encoders didn’t allow users to save MPEG-4 streams into AVI structure format, but forced users to use ASF instead. It also had some other limitations – and those limitations were overridden in DivX. It also added a support for other than Windows Media Audio encoding technology, allowing users to have MP3 audio on their movies. In 2001, original “developers” of this hacked codec released a new legal version of DivX, called DivX (without smiley). DivX supports old DivX) movies and also adds new features and better compression quality than “original” DivX).
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