ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,432,512, issued on Sept. 30, was assigned to Sonos Inc. (Goleta, Calif.).

"Providing a multi-channel and a multi-zone audio environment" was invented by Simon Jarvis (Cambridge, Mass.), Hilmar Lehnert (Framingham, Mass.), Aurelio Rafael Ramos (Cambridge, Mass.) and Luis Vega (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-channel and multi-zone audio environment is provided. Various inventions are disclosed that allow playback devices on one or more networks to provide an effective multi-channel and a multi-zone audio environment using timing information. According to one example, timing information is used to coordinate playba...