ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,622, issued on Oct. 21, was assigned to Google LLC (Mountain View, Calif.).
"Spatial aliasing reduction for multi-speaker channels" was invented by Olen Rasp (Mountain View, Calif.), Pei Chen Chuang (Mountain View, Calif.) and Gabriel Slotnick (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various arrangements for reducing auditory spatial aliasing for a user are detailed herein. A first delay filter may be set that delays output of a first same audio signal by a first duration to a speaker of a first set of multiple speakers of a device compared to a second speaker of the first set of multiple speakers. A second delay filter ...