1. Audio files are very big files.
2. Audio music quality is much better than an mp3.
3. Audio sound format is call wav – for example Track1.wav.
4. An mp3 cd can hold far more files than an audio cd (about 10 times or more– don’t quote me on this).
5. The quality of mp3 music is not as good as an audio equivalent.
6. MP3 sound format is call mp3 – for example Track1.mp3.