ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,152, issued on Oct. 21, was assigned to Amazon Technologies Inc. (Seattle).
"Sound source classification and beamforming" was invented by Gurhan Saplakoglu (Acton, Mass.), Berkant Tacer (Bellevue, Wash.) and Alexander Kanaris (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system configured to perform source classification using a continuously active beamformer and a classifier to improve beamforming. A device processes audio data representing sounds from multiple sound sources to determine a source direction corresponding to each detected sound source. For each audio frame, the classifier receives a source direction for each unkn...