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DivX, since the release of DivX 6 in 2007, has created its own proprietary subtitle tracks for DivX VOD and other DivX films, dubbed XSUB or DivX Subtitles.
The tracks are not text-based but instead bitmap-based, similar to vobsubs used on DVD-Video.
XSUBs never come in standalone files but are embedded into the .divx container files and must be created using Dr. DivX or DivX official software.
Related glossary terms
Related software tools
DivX Plus (Freeware)
The latest version of the DivX. That is, you need to have this file installed if you want to watch DivX movies. And latest codec gives you the best quality.
Dr. DivX (Freeware)
Dr. DivX is officially the unofficial DivX encoding tool to create DivX media files for playback on DivX hardware and software players.
VobSub is a plugin for VirtualDub that allows you to rip subtitle files from DVD VOBs and display them with your DivX playback.