uSeesoft DVD Audio Ripper for Mac will meet your need perfectly, for it can rip and convert DVD files to audio format, like DVD to MP3, DVD to WAV, DVD to M4A, DVD to AAC, DVD to AC3, DVD to OGG, DVD to APE, etc.
Downloads: 32221 - Shareware - Download Now
Automatically find duplicate or similar audio files of different formats incl MP3, WMA, OGG. Lets you to keep only the best quality recordings with automatic low quality duplicates identified or removed. Powerful, search by actual sound not tags etc
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CUE Splitter is a freeware tool that split a single big audio track, mostly an album or a compilation, into the relative individual audio tracks, using informations contained in the associated "CUE" file.
Downloads: 33171 - Freeware - Download Now
AimOne audio converter software is one of the most powerful and stable multi format audio file converters available on Mac, by which you can convert and encode any audio on Mac to MP3, WAV, FLAC, AAC, M4A, OGG, AC3, AIFF, AU, MKA, M4R and MP2..
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Downloads: 33013 - Demo - Download Now