No I know but I mean it has actual mp3 encoding errors because the files are getting corrupted over time lol, like it's an issue in the storage medium not the original analog-to-digital conversion :(

Examples in the following file http://bearcave.com/bookrev/neuromancer/Tape1a.mp3 :

0:40, 1:04, 1:13, 1:21, 2:18 ... I mean.. the files are basically ruined :\