adamdea
You are not a sound quality evaluation device
the wiki atFrom the author of the "whitepaper" I linked to (that seems to have ignited the debate) - I think this is even more interesting. Apologies if it's been posted already, but it helps clarify the whole Bit Depth discussion
http://xiph.org/video/vid2.shtml
http://wiki.xiph.org/Videos/Digital_Show_and_Tell
is probably clearest on the subject.