US Patent Issued to The Nielsen Company (US) on Oct. 7 for "Methods and apparatus to perform audio watermarking and watermark detection and extraction" (Florida Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,437,769, issued on Oct. 7, was assigned to The Nielsen Co. (US) LLC (New York).

"Methods and apparatus to perform audio watermarking and watermark detection and extraction" was invented by Alexander Pavlovich Topchy (New Port Richey, Fla.), Arun Ramaswamy (Tampa, Fla.) and Venugopal Srinivasan (Palm Harbor, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus to perform audio watermarking and watermark detection and extraction are disclosed. Example apparatus disclosed herein are to select frequency components to be used to represent a code, different sets of frequency components to represent respectively different information, respe...