ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,899, issued on Dec. 16, was assigned to Sonos Inc. (Goleta, Calif.).

"Audio response playback" was invented by Jonathan P. Lang (Santa Barbara, Calif.) and Mark Plagge (Santa Barbara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system configured to: (i) receive a voice command for a given playback device and one or more other playback devices to be grouped for synchronous playback of audio content and synchronous execution of playback control commands, (ii) based on state information for one or more devices of the system: (a) identify a first playback device that is to be grouped with the given playback device for synchronous playback of...