I always check in the player to see if the lossless soundstrack True HD or DTS Master is actually being played. There have been a few movies such as Batman Begins and The Dark Night and maybe a few others in which the regular DD 5.1 soundtrack is default and you have to switch to the lossless each time.

I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.

-Max Payne