Create mp3 duplicates of all mp4-files in a folder using ffmpeg - VideoHelp Forum
6 Ways to Convert AAC to MP3 With/Without Using iTunes
How to Fix Audacity AAC Import and Export Failure Issue?
FFMPEG Audio Encoder v4.0 - Doom9's Forum
macos - Is there a way to convert audio files in Mac OS X or the command line without using iTunes? - Ask Different
How to Fix Audacity AAC Import and Export Failure Issue?
AAC Export Options - Audacity Manual
How can I extract audio from video with ffmpeg? - Stack Overflow
How to Extract Audio From Video with FFmpeg : r/ffmpeg
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