US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on Sept. 23 for "Target source signal generation apparatus, target source signal generation method, and program" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,233, issued on Sept. 23, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Target source signal generation apparatus, target source signal generation method, and program" was invented by Rintaro Ikeshita (Tokyo), Tomohiro Nakatani (Tokyo) and Shoko Araki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sound source signal generation technology based on an optimization algorithm that enables high-speed processing of sound source extraction is provided. A sound source signal generation device includes an optimization unit that optimizes a separation matrix W(f)=[w1(f).., wK(f), WZ(f)] using an observed signal x(f, t), the optimiza...