ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,597, issued on Sept. 8, was assigned to AIMATICS Co. LTD (Seoul, South Korea).

"Method and system for constructing learning database using voice personal information protection technology" was invented by Jeong Hun Chae (Seongnam-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a method and a system for constructing a learning database using a voice personal information protection technology, wherein the method comprises receiving video data including sound data; separating the sound data from the video data; extracting background sound data from the sound data; and storing the video data from which th...