ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,939, issued on Jan. 28, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).
"Target sound signal generation apparatus, target sound signal generation method, and program" was invented by Tomohiro Nakatani (Tokyo), Keisuke Kinoshita (Tokyo) and Marc Delcroix (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a target sound extraction technique based on a steering vector generation method enabling instability in a calculation to be prevented when a neural network is trained by using an error back propagation method to reduce an estimation error of a beamformer. A target sound signal generation apparatus generates a target soun...