Patent ID: 8340313

Claim:
A surround sound system comprising: a main subsystem, wherein the main subsystem comprises a digital sound processor and a firmware, the firmware being external to the digital signal processor and allowing the digital sound processor to produce a signal including a subwoofer component and surround components that are digitally multiplexed with each other and encoded to a predefined format and allowing for the subwoofer component to be added to some or all speakers in the surround sound system, the subwoofer component comprising one or both of low frequency effects and bass frequency audio components; and a wireless subwoofer apparatus, the wireless subwoofer apparatus comprising: a subwoofer; a receiver for wirelessly receiving from the main subsystem the multiplexed and encoded signal; and an extractor for extracting the subwoofer component from the received signal to drive the subwoofer; wherein the wireless subwoofer apparatus provides the surround components to drive right and left surround speakers that are different from a main set of center, right and left speakers directly coupled to and driven by the main subsystem.