OGG Vorbis is a free and open-source audio compression format designed for high-quality sound. It is often used for streaming and storing music, providing a good balance between file size and audio fidelity. Unlike proprietary formats, OGG Vorbis allows users to encode and decode audio without licensing fees. The format supports various bit rates and is compatible with many media players and devices. OGG Vorbis is particularly popular in the gaming and online music communities, as it offers flexibility and efficiency for both creators and consumers. Its open nature encourages innovation and widespread adoption.