ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,631, issued on Oct. 20, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).
"Innovative karaoke sound system with combined neural network feedback suppression and coded vocal restoration" was invented by Hao Zhang (Columbus, Ohio), Meng Yu (Palo Alto, Calif.), Yong Xu (Palo Alto, Calif.) and Dong Yu (Palo Alto, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus comprising computer code configured to cause a processor or processors to receive an audio signal obtained from a microphone, input the audio signal into frequency-domain Kalman filter (FDKF), input the audio signal and an output from the FDKF into a neural netw...