[hifijohn]

So how good is your hearing?? Here is 1 minute of rebecca pidgeon's spanish harlem in the original wav file and 4 different levels of mp3 compression,320k,224k,112k,and 64k, of course not in that order.Can you guess which is which?The 64k is the easiest, its very corrupted.good luck.
 
https://docs.google.com/file/d/0BzeWmlLY97RSVVF5N0VJSWZqNWc/edit?pli=1