audio wierdness

The first link is a very distorted sentence. Try listening to it to see if you can make out what it is saying:

http://www.mrc-cbu.cam.ac.uk/~mattd/sine-wave-speech/sws_d2.wav

Now, listen do this one, which is the above undistorted:

http://www.mrc-cbu.cam.ac.uk/~mattd/sine-wave-speech/clear_d2.wav

Then go back and listen to the first.