Opus
Last updated: 21 April 2021
Opus is one of two voice codecs selected as mandatory to implement in WebRTC (the other codec is G.711).
As a codec, Opus is capable of supporting narrowband and up to stereo fullband while using low bitrates with high resiliency.
Opus is a relatively new voice codec defined in the IETF RFC 6716.
Additional reading material:
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