Okay, that was great, you definitely have a gift for putting things in a way that I can understand. (I'm still not sure I understand Dan's compatability comment, but I'm not going to ask him now, since he's probably drunk off his rocker. And I haven't gone off and tried to figure it out on my own yet.) Now do me...er...you know what I mean, translate what I was trying to say for Dan & co..
But...although I agree that when the "top" 16 bits are 0x0000 or 0x0001 (sticking with positive values), that the lower 8 bits would make no difference, it's when the values are 0x7FFF and so on that they would have a cumulative effect on the sound.