Dolby intros its new 7.1 audio technology at Surrounded, a Bay Area press confab. In addition to demonstrating its new in-theater sound and 3D abilities, Dolby shows off the consumer tech items powered by its home sound systems.
This diagram shows how the new Dolby 3D Filter Wheel installed inside new projectors filters rotating portions of the light spectrum to trick the eye into seeing 3D, with the appropriate glasses. Dolby says its new projection system increases light capacity and makes the 3D onscreen images brighter.