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
Simple! How to install Lame Audacity
Libraries Preferences - Audacity Manual
How Do I Export An Audacity File As An MP3 - TechReen
How to Easily Extract Audio From Video Files Using Audacity
How to Export an Audacity File As an MP3 in 2 Simple Ways
How to Convert WAV to MP3 in Audacity
Software for recording and editing your podcasts - Ausha
MP3 Export Options - Audacity Development Manual
How to Convert WAV to MP3 in Audacity
MP3 Export Options - Audacity Manual
Installing FFmpeg for Windows - Audacity Manual
Audacity (audio editor) - Wikipedia
How to Export an Audacity File As an MP3 in 2 Simple Ways