ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,112, issued on Oct. 21, was assigned to NTT Inc. (Tokyo).
"Acoustic signal enhancement device, acoustic signal enhancement method, and program" was invented by Tomohiro Nakatani (Tokyo), Rintaro Ikeshita (Tokyo), Keisuke Kinoshita (Tokyo), Hiroshi Sawada (Tokyo), Naoyuki Kamo (Tokyo) and Shoko Araki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an acoustic signal enhancement device that receives, as an input, a recording sound obtained by frequency division and updates parameters, the device including: assuming that a switch weight is a weight indicating a ratio of a classification to which a recording sound at each timing ...