ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,505,853, issued on Dec. 23, was assigned to SONY GROUP Corp. (Tokyo).
"Signal processing device and method" was invented by Yuki Yamamoto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a signal processing device that includes a voice detection unit that, based on a mixed audio signal containing a sound of a target sound source and a sound of a non-target sound source different from the target sound source, detects a time segment of the sound of the target sound source from the mixed audio signal; and a voice determination unit that, based on label information indicating the time segment of the sound of the target sound source in an au...