digital container format

Ogg is a free, open standard format for music, video and other multimedia. It is run by the Xiph.Org Foundation. The Ogg format is unrestricted by software patents and is designed to provide for efficient Internet streaming and for editing of high quality digital multimedia.

Filename extension.ogv, .oga, .ogx, .ogg
Internet media typevideo/ogg, audio/ogg, application/ogg
Magic numberOggS
Developed byXiph.Org Foundation
Type of formatContainer format
Container forVorbis, Theora, Speex, FLAC, Dirac, and others.

Recently a big library on the internet, the Internet Archive, announced that they are going to convert many videos and other multimedia to the Ogg format as well as other formats like the proprietary Adobe Flash flv format.

The “Play Ogg” web button