HE-AACv2 is better at low bitrates (spoken podcasts) then mp3. ffmpeg -i input.wav -c:a libfdk_aac -vbr 3 -b:a 32k -profile:a aac_he_v2 output.m4a There is als

HE-AACv2 is better at low bitrates (spoken podcasts) then mp3. ffmpeg -i input.wav -c:a libfdk_aac -vbr 3 -b:a 32k -profile:a aac_he_v2 output.m4a There is also xHE-AAC https://gitlab.com/ecodis/exhale https://gitlab.com/ecodis/exhale https://www.mainconcept.com/hubfs/PDFs/User%20Guides/MainConcept%20xHE-AAC%20Encoder%20Plug-In%20for%20FFmpeg%20User%20Guide.pdf https://www.mainconcept.com/hubfs/PDFs/User%20Guides/MainCon...