I think it is quite popular for VoIP and it is also part of WebRTC and hence supported by Chrome and Firefox<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Opus_(audio_format)#Software" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Opus_(audio_format)#Software</a>