Converts OGG to MP3, WMA, OGG, WAV, AAC, M4A, AC3, AIFF, AMR, AIFF, FLAC, MMF, RA, and MP2. One of the featuers of 4Musics OGG to MP3 Converter is that it works from the right click menu on a file. Simply right click on the OGG, select "Convert to MP3" or any other format. Ogg Vorbis is a fully open, non-proprietary, patent-and-royalty-free, general-purpose compressed audio format for mid to high quality (8kHz-48.0kHz, 16+ bit, polyphonic) audio and music at fixed and variable bitrates from 16 to 128 kbps/channel. Vorbis is the first of a planned family of Ogg multimedia coding formats being developed as part of Xiph.org's Ogg multimedia project.