ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,952, issued on July 1, was assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (Stockholm).
"Head-related (HR) filters" was invented by Tomas Jansson Toftgard (Uppsala, Sweden) and Rory Gamble (Uppsala, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method (1000) for producing an estimated head-related (HR) filter, formula (I), that consists of a set of S HR filter sections formula (II) for s=1 to S. The method includes obtaining (s1002) an alpha matrix (e.g., an NxK matrix), wherein the alpha matrix consists of S sections, where each one of the sections of the alpha matrix corresponds to a different one of the S HR filter sections (e.g., the...