US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on Sept. 30 for "Speech signal processing device, speech signal processing method, speech signal processing program, training device, training method, and training program" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,158, issued on Sept. 30, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Speech signal processing device, speech signal processing method, speech signal processing program, training device, training method, and training program" was invented by Hiroshi Sato (Tokyo), Tsubasa Ochiai (Tokyo), Keisuke Kinoshita (Tokyo), Marc Delcroix (Tokyo), Tomohiro Nakatani (Tokyo) and Atsunori Ogawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An audio signal processing apparatus (10) includes a first auxiliary feature conversion unit (12) and a second auxiliary feature conversion unit (13) that convert a plurality of signals relating to pro...