Our HD Advisor is back to answer another round of questions from our readers. This week, he addresses high-res audio and that elusive "3-D pop," among other things. If you have home theater questions you need help with, all you have to do is ask.

You asked, and we answered. Last week, we put out a call for technical questions about your HD home theater gear. This week, our HD Advisor takes a crack at the first batch.