What is a OPUS file
Developed with the intent to support internet streaming by the Internet Engineering Task Force (IETF) OPUS is a lossy audio format. The OPUS extension encoded with OPUS codec are uncommon as the OPUS codec is mainly brought in use for streaming.
Easily adjustable between high and low bit rates, from 6 kb/s to 510 kb/s, the OPUS extension draws inspiration from both SILK (used by Skype) and CELT codec. This codec is popularly brought in use for video conferencing, voice over IP, in video chats, and to serve a lot more purposes.
Here's a small, but not exhaustive list of programs that can open OPUS documents:
- VideoLAN VLC Media Player
- OPUS tools