AudioComparer.com is a Duplicate MP3 Finder program for Windows
Title
Duplicate MP3 Finder and MP3/WMA/OGG Comparison Tool - Audio Comparer
Description
Audio Comparer is a program for Windows by Bolide Software. The program will listen to your entire audio collection and then will be able to quickly locate duplicates and similar audio files based on their sound, not tags. The program will estimate duplicate songs quality and advise you which ones are better to keep and which to delete. Currently Audio Comparer is able to locate duplicates among MP3, WMA and OGG audio files.