The term 'surround sound' has been around for decades, and like any industry term, eventually it needs an upgrade. The hip new term is 'immersive sound', but Sony promises this isn't just some new industry buzzword, and they've got some big industry names on board. Their technology claims to 'place' sounds around you in any individual space rather than relying on a complex system of speakers. And they're even claiming that you won't need more than a small monthly subscription and speakers or headphones with multi-driver loudspeakers (which most mid-range brands and up are equipped with). Techhive.com has more.