Strange question here, but here goes.
I play music on my PC constantly, quite loud but not the max. My speakers are logitech and produced a very high definition sound, but recently it sounds as if the quality of my music has got worse, as if the bitrate was halved, but it hasnt of course. Im wondering what could have caused it, i play all my music through itunes and recently i tried to squeeze 90 albums on my 8gb ipod (192 kbps on all music) but they wouldnt alla t ocne so i went round that by adding 80, then adding another ten one by oen until my ipod has 50mb left, could this have compressed my music to fit it or lessen the quality?

Ultimately im asking is it possible that my speakers/sound card is worn out/broken? my msuics not scratchy or fuzzy, just sounds a little less sharp, what can i do?