(original) (raw)

Bitrate (kbps/channel) Delay (ms) 0 20 80 200 40 80 narrowband wideband > wideband Phone quality High fidelity Real-time (live) Archival ≈ Opus G.729 Speex (NB, WB) AAC-LD G.722.1C G.729.1 AMR-WB+ Vorbis, AAC, MP3