It condenses this audio data into a unique, compact digital summary—a fingerprint.
The most common use is simply freeing up space. Audiophiles and casual listeners alike often end up with a "Music" folder containing 10% duplicates. An audio comparer scans the library, groups the identical songs together, and allows the user to keep the highest quality version (e.g., the 320kbps MP3 or the FLAC) while deleting the lower-quality duplicates. audio comparer