US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on March 11 for "Utterance evaluation apparatus, utterance evaluation, and program" (Japanese Inventor)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,320, issued on March 11, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Utterance evaluation apparatus, utterance evaluation, and program" was invented by Sadao Hiroya (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stable evaluation result is obtained from a voice of speech for any sentence. A speech evaluation device (1) outputs a score for evaluating speech of an input voice signal spoken by a speaker in a first group. A feature extraction unit (11) extracts an acoustic feature from the input voice signal. A conversion unit (12) converts the acoustic feature of the input voice signal to an acoustic feature when a speaker ...