ALEXANDRIA, Va., March 12 -- United States Patent no. 12,248,728, issued on March 11, was assigned to STMicroelectronics S.r.l. (Agrate Brianza, Italy).
"Centralized digital mute and volume control" was invented by Francesco Stilgenbauer (Rho, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "An audio device includes a gain step selection circuit that receives a different requested gain value and an associated requested step size from each of a plurality of sources, compares each requested gain value to a same feedback gain value and generates a polarity based thereupon, performs step polarization on each requested step size as a function of the generated polarity therefor to thereby generate a plurality ...