ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,499,896, issued on Dec. 16, was assigned to NEC Corp. (Tokyo).

"Learning device, method, and program" was invented by Kong Aik Lee (Tokyo) and Takafumi Koshinaka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Learning means 81 generates a speaker embedding extracting neural network by learning a weighting factor so as to minimize a loss function indicating an error between a speaker label indicating a speaker of a voice signal and an output value output from an output layer, with respect to a neural network including an input layer that receives an input of the voice signal and the output layer that outputs the output value indicating a speaker o...