Opus 1.2 audio codec brings better sound at low bit rates (free and open source) - Liliputing
Auphonic Blog: Opus, the revolutionary open audio codec for podcasts and internet audio
MP3, AAC, WAV, FLAC: all the audio file formats explained | What Hi-Fi?
Musepack vs other codecs | Audio Science Review (ASR) Forum
B1ff B1ff on Twitter: "#opus vs. #mp3 vs. #aac audio compression quality. mp3 is so 2018, vorbis is so 2019, opus is, er, 2020? https://t.co/DSf4lYO99g" / Twitter
Updated 2019] Opus 1.3. New WebM audio codec (Opus+VP9/AV1) - Page 4 - Doom9's Forum
Auphonic Blog: Opus, the revolutionary open audio codec for podcasts and internet audio