FFmpeg library not compatible on 2.3.3? - Windows - Audacity Forum
Installing FFmpeg Library in Audacity
How to Fix FFmpeg library missing issue in Audacity | Audacity FFmpeg library Not Found - YouTube
Fix Audacity FFmpeg Error Importing Library on Windows PC
Audacity tutorial: Converting to mp3 or AAC and other formats, example: Matthew Smith - epic orchestral synth music for film and game effects; Buanzo's LAME mp3 library