LibOPUS
Opus is a codec for interactive speech and audio transmission over the Internet.
Opus can handle a wide range of interactive audio applications, including Voice over IP, videoconferencing, in-game chat, and even remote live music performances. It can scale from low bit-rate narrowband speech to very high quality stereo music.
Swift Package Manager
A new Swift package was created to build static and dynamic libraries with Xcode / SwiftPM.
https://github.com/ronnyf/libopus/blob/release/webrtc/Package.swift