ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,679, issued on Oct. 14, was assigned to The Nielsen Co. (US) LLC (New York).

"Methods and apparatus to verify presentation of media content" was invented by Venugopal Srinivasan (Tarpon Springs, Fla.) and Arun Ramaswamy (Tampa, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example methods and apparatus to verify presentation of media content are disclosed. A disclosed example apparatus for generating media presentation information includes a comparator to periodically output a value indicative of whether media selected via a set-top box is presented at a media presentation location by comparing a first audio signal associated with the media to...