Opus is a lossy audio coding format developed by the Internet Engineering Task Force (IETF). It is suitable for interactive real-time applications over the Internet.
- Opus can be adjusted seamlessly between high and low bitrates.
- Opus has a low latency delay which allow lipsync at live broadcasts.
- It is a standardize open format.
- It competes favorably with MP3, Vorbis, HE-AAC at similar bitrates.