That's the snake oil part of it all. As far as I understand it, they aren't regulating how a particular band is being used in the sense that broadcasters can sp

That's the snake oil part of it all. As far as I understand it, they aren't regulating how a particular band is being used in the sense that broadcasters can split bands up into multiple streams and just compress the heck out of them. You can have one high-quality movie channel or 8 highly compressed ones lets say. I agree, digital means NOTHING in and of itself in terms of quality.