ALEXANDRIA, Va., July 16 -- United States Patent no. 12,363,490, issued on July 15, was assigned to Nomono AS (Trondheim, Norway).
"Sound field microphones" was invented by Audun Solvang (Trondheim, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "A microphone device comprises a microphone array comprising a plurality of microphone elements physically arranged to provide a respective plurality of microphone signals from which a spatially encoded sound-field signal may be produced; a local storage device; a processor; and a wireless transmission module. The device is arranged to store the plurality of microphone signals to the local storage device; to produce, using the processor, a reference signal incl...