3delite Duplicate Audio Finder - is a utility for scanning your computer and finding duplicate copies of your audio files.
Duplicate Audio Finder will find audio files that are an exact copy of each other but also can compare audio files by content and give a match for audio files that have different resolutions, bit rate or format but contain the same audio.
Additionaly to audio files, MP4 video files with AAC audio track can be also searched - the AAC audio tracks will be compared that's usualy enough to compare the video files as well.
Features
• Find duplicate audio files that are exact copy of each other
• Find duplicate audio files which have the same artist and titie tag
• Find duplicate audio files that have the same content
• Matching audio files are displayed in groups
• Preview matching audio files and their ID3v1, ID3v2, APE , Flac, MP4, Opus and Vorbis and WMA tag information and album cover pictures (BMP, JPEG, PNG, GIF)
• Delete audio files that are not needed
• Multi-threaded processing
• Full unicode support
Download: 
3delite.Duplicate.Audio.Finder.1.0.58.94.rar - 58.7 MB
3delite Duplicate Audio Finder 1.0.58.94 Portable