ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,191, issued on Nov. 4, was assigned to The Nielsen Co. (US) LLC (New York).

"Methods and apparatus for measuring engagement during media exposure" was invented by Alexander Topchy (Oldsmar, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus, systems, and articles of manufacture are disclosed for measuring engagement during media exposure. An example apparatus includes at least one memory, machine readable instructions, and processor circuitry to at least one of instantiate or execute the machine readable instructions to identify media presented via a media device in a media presentation environment, identify ambient audio detected...