Vorbisspi is a java service provider interface that adds ogg vorbis audio format support to java platform. it supports icecast streaming. it is based on jorbis java libraries.

ogg vorbis is a fully open, non-proprietary, patent-and-royalty-free, general-purpose compressed audio format for high quality (44.1-48.0khz, 16+ bit, polyphonic) audio and music at fixed and variable bitrates from 16 to 128 kbps/channel. this places vorbis in the same class as audio representations including mpeg-1 audio layer 3, mpeg-4 audio (aac and twinvq), and pac.