ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,409, issued on May 5, was assigned to GOOGLE LLC (Mountain View, Calif.).

"Multi-party optimization for audiovisual enhancement" was invented by Matthew Sharifi (Kilchberg, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method for selectively applying audiovisual enhancement functions to an audiovisual communications stream includes transmitting, by a sender computing system, an audiovisual communication stream to a receiver computing system, obtaining, by the sender computing system, one or more receiver perception feedback signals associated with the audiovisual communication stream, the one or more receiver percep...