> Speex was the first audio codec we used, until it was superseded by CELT in 2009 (Mumble 1.2.0), which in turn was superseded by Opus in 2011 (Mumble 1.2.4).
> We retained support for [Speex] for 10 years and we believe all active servers are currently using Opus.
> Speex was the first audio codec we used, until it was superseded by CELT in 2009 (Mumble 1.2.0), which in turn was superseded by Opus in 2011 (Mumble 1.2.4).
> We retained support for [Speex] for 10 years and we believe all active servers are currently using Opus.
1: https://github.com/mumble-voip/mumble/pull/3812