929 Ogg Vorbis Codec Compressed Multimedia File Audio Ogg is a open container format maintained by the Xiph.Org Foundation. Vorbis is a free and open-source software project headed by the Xiph.Org Foundation and produces an audio coding format and software reference encoder/decoder (codec) for lossy audio compression. Text 1 Digital Preservation Department / The National Archives 27 Oct 2009 03 Aug 2015 audio/ogg MIME fmt/203 PUID ogg File extension 504 Ogg Vorbis Codec Compressed Multimedia File Ogg Page header: Capture pattern (“oggS”); stream structure revision (00h); flag: 1st page of a logical bitstream (02h); 23 bytes; page segment Identification header (“vorbis”; version (00000000h) 1 Absolute from BOF 0 4F6767530002{23}766F7262697300000000{19}4F676753 Can be contained by 1749 Ogg Multimedia Container Has priority over 1749 Ogg Multimedia Container