For all the dramatic improvements they’ve given us in the picture and sound quality of movie playback in our homes, sometimes it feels like the new high-definition disc formats—both Blu-ray and HD DVD—also make our lives needlessly complicated in some respects. Case in point is the process of getting high-resolution surround sound audio from the disc player to an A/V receiver or processor. Let’s be frank here and admit that, in this regard, things were a lot simpler with standard DVD, where there was far less confusion about the different audio formats and hardware hookup requirements.