ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,495,271, issued on Dec. 9, was assigned to Snap Inc. (Santa Monica, Calif.).
"Head-related transfer function" was invented by Ashwani Arya (Cypress, Calif.), Tejas Bahulkar (Sunnyvale, Calif.), Dunxu Hu (Los Angeles) and Daniel C. Wiggins (Port Hueneme, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Example systems, devices, media, and methods are described for efficiently processing an audio track of a virtual object with a head-related transfer function (HRTF). Audio tracks are processed by determining a current position (direction and optionally distance) of the virtual object with respect to the head of a user, identifying a current audio zone...