Opus

First published2012
Issuing bodyIETF
DomainMedia and Formats
StatusCurrent, RFC 6716, royalty free

About Opus

The audio codec standardized in RFC 6716, merging Xiph CELT and Skype SILK technology. It adapts from low bitrate speech to studio quality music with very low delay. WebRTC, WhatsApp, Discord and YouTube use it, and it is free of patent charges.

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