Command-line Knowledge Base
Use ffmpeg to extract audio from mp4 and convert to mp3
$file__mp4='Some file.mp4' $file__mp4='Some file.mp3' ffmpeg -i "$file__mp4" -vn -aprec copy "$file__mp3"
ffmpeg to extract audio from mp4 and convert to mp3$file__mp4='Some file.mp4' $file__mp4='Some file.mp3' ffmpeg -i "$file__mp4" -vn -aprec copy "$file__mp3"