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
Download LAME for Audacity free for PC - CCM
LAME MP3 Encoder - WSU Technology Knowledge Base
How to Save Audacity Files in MP3 | Leawo Tutorial Center
How to Install LAME MP3 Encoder in Audacity - YouTube
Howto: Capture/Record live streaming audio on Mac OS X (Leopard, Snow Leopard, Lion, Mountain Lion, Mavericks, Yosemite, El Capitan) | Manoranjan's Tech blog
How To Add MP3 Support to Audacity (to Save in MP3 Format)
LAME MP3 Encoder - WSU Technology Knowledge Base
Exporting using an external encoder program - Audacity Manual
Audacity - Export MP3 File Error – Support @Blake (Information Support Support Services)
How to Export an Audacity File As an MP3 in 2 Simple Ways
Audacity audio editor updated to v2.3.2, now comes with LAME mp3 encoder