US Patent Issued to The Nielsen Company (US) on Dec. 23 for "Audio watermarking for people monitoring" (Florida Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,505,848, issued on Dec. 23, was assigned to The Nielsen Co. (US) LLC (New York).

"Audio watermarking for people monitoring" was invented by Alexander Topchy (New Port Richey, Fla.), Padmanabhan Soundararajan (Tampa, Fla.) and Venugopal Srinivasan (Tarpon Springs, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed example people monitoring methods include detecting a first watermark in a first audio signal obtained from an acoustic sensor, the first watermark identifying media presented by a monitored media device, determining whether a second watermark, different from the first watermark, is embedded in the first audio signal obtained from th...