ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,393,397, issued on Aug. 19, was assigned to Sonos Inc. (Goleta, Calif.).
"Distributed synchronization" was invented by Luis Vega Zayas (Cambridge, Mass.) and Ted M. Lin (Cambridge, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are playback devices, groups of playback devices, and methods of operating playback devices and groupings thereof to cause the playback devices in a group of playback devices to play audio content together in synchrony based on playback timing and clock timing, where the audio content and playback timing and the clock timing for use with playing the audio content according to the clock timing are provided b...