Ogg Vorbis is a new compressed audio format. It loosely compares to the other digital audio formats such as MP3, VQF, AAC, etc. because it is completely free, open and patent-free. Ogg is the name of Xiph.org's container format for audio, video and metadata. Vorbis is the name of an audio compression scheme that was specifically designed for use with Ogg. Ogg can also contain other compressed formats such as FLAC and Speex.

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