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Theora Video Compression Format

Theora is a free and open video compression format from the Foundation. It can be used to distribute film and video online and on disc without the licensing and royalty fees or vendor lock-in associated with other formats.

Theora scales from postage stamp to HD resolution, and is considered particularly competitive at low bitrates. It is in the same class as MPEG-4/DiVX, and like the Vorbis audio codec it has lots of room for improvement as encoder technology develops.

It is being developed by the Foundation as part of their Ogg project (It is a project that aims to integrate On2’s VP3 video codec, Ogg Vorbis audio codec and Ogg multimedia container formats into a multimedia solution that can compete with MPEG-4 format).

Theora is derived directly from On2’s VP3 codec; currently the two are nearly identical, varying only in framing headers, but Theora will diverge and improve from the main VP3 development lineage as time progresses.

Theora is targeted at competing with MPEG-4 (e.g., XviD and DivX), RealVideo, Windows Media Video, and similar lower-bitrate video compression schemes.

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  1. Rabin | Jan 29, 2009 | Reply

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