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
Basics: Project 051a Serial MP3 player module by Catalex at Acoptex.com / ACOPTEX.COM
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The small MP3 player for listening the music files with the clone functionNeonway Best Apps
File:S1 mp3 player example.jpg - Wikimedia Commons
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