ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,146, issued on April 14, was assigned to mpWAV Inc. (Seoul, South Korea).
"Beamforming device" was invented by Hyung Min Park (Seoul, South Korea) and Byung Joon Cho (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A beamforming device in the present invention includes a probability estimation unit, a steering vector unit, and a beamforming unit, wherein the probability estimation unit estimates a speech existence probability corresponding to a probability that a target speech signal exists based on an input vector; the steering vector unit provides an estimated steering vector according to the speech existence probability and an ...