ALEXANDRIA, Va., June 25 -- United States Patent no. 12,342,141, issued on June 24, was assigned to Sonos Inc. (Santa Barbara, Calif.).

"Mapping and characterizing acoustic events within an environment via audio playback devices" was invented by Adib Mehrabi (London), Saeed Bagheri Sereshki (Goleta, Calif.) and Jerad Lewis (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for mapping noise via a plurality of playback devices within an environment are disclosed herein. In one example, a plurality of playback devices can each output audio and also detect sound within the environment to obtain respective sound data specimens. For each playback device, the respective sound data...