Better to just grab the widely supported AAC (m4a) audio, than perform a lossy to lossy transcode to mp3 if quality matters. For speech (lectures etc) low bitr

Better to just grab the widely supported AAC (m4a) audio, than perform a lossy to lossy transcode to mp3 if quality matters. For speech (lectures etc) low bitrate Opus sounds great and saves space when/where it matters, but isn't as widely compatible. e.g. youtube-dl -f 140 "$URL"