CHAPTER 19 Ogg
The Xiph.Org Foundation’s Ogg format and codecs are an attempt to make competitive public-domain media technologies that are unencumbered by patents and therefore broadly usable in open source products. The project started with audio and has added video in recent years.
The Ogg codecs haven’t become popular enough to be included in that many mainstream products so far, but the lack of any licensing requirements means free software updates are broadly available to add Ogg support. That said, Xiph’s assertions as to the patent-free nature of their codecs haven’t been proved, nor is that kind of proof really possible. They’ve had no trouble so far.
Avoid Licensing Costs
The essential point to the Ogg formats is to be free ...