Ever wanted to know if your audio CD is actually made from an original source? In many countries pirated copies are sold as original, and the music material might have been transferred in a lossy compressed format at some point. Now a new interesting software tool has emerged, which will help you to determine the originals and compressed copies.
auCDtect - is a program for determining the authenticity of musical CD records, using the character of the audio information it contains, and predict its possible source is it an original studio record or a reconstruction from a lossy encoded data (for example, MP3).
Accuracy: >95% (for detecting mp3s) Source: Hydrogenaudio