ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,686, issued on July 14, was assigned to Sonos Inc. (Goleta, Calif.).

"Power management and distributed audio processing techniques for playback devices" was invented by Rajasekaran Ramasubramanian (Ojai, Calif.), James M. Dolan (Chatham, Mass.), Allen Antony (Woburn, Mass.), Benjamin A. Tober (Somerville, Mass.) and Mark S. Viscusi (Wrentham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the present disclosure relate to power management techniques for reducing the power consumption of playback devices. Additionally, aspects of the present disclosure related to distributed processing techniques for processing audio across two or mor...