I think it is quite popular for VoIP and it is also part of WebRTC and hence supported by Chrome and Firefox https://en.wikipedia.org/wiki/Opus_(audio_format)#

I think it is quite popular for VoIP and it is also part of WebRTC and hence supported by Chrome and Firefox https://en.wikipedia.org/wiki/Opus_(audio_format)#Software https://en.wikipedia.org/wiki/Opus_(audio_format)#Software