ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,593, issued on Sept. 9, was assigned to SONY GROUP Corp. (Tokyo).

"Audio transposition" was invented by Marc Ferras Font (Stuttgart, Germany), Giorgio Fabbro (Stuttgart, Germany), Falk-Martin Hoffmann (Stuttgart, Germany), Thomas Kemp (Stuttgart, Germany) and Stefan Uhlich (Stuttgart, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device comprising circuitry configured to separate by audio source separation a first audio input signal into a first vocal signal and an accompaniment, and to transpose an audio output signal by a transposition value based on a pitch ratio, wherein the pitch ratio is based on comparing a first pitch...