Mp3Doctor PRO

If every time you play mp3 files, you have to manually adjust the volume gain of each song or at least some songs, then Mp3Doctor PRO is for you.If you feel that when you play your collection of MP3 files, some songs sound "different" to the rest of the mp3 files, not only in volume gain, but in the "color","texture" or "sound" in general, then Mp3Doctor PRO is for you.