US Patent Issued to Gracenote on Feb. 25 for "Methods and apparatus to fingerprint an audio signal via exponential normalization" (California Inventors)

ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,235,896, issued on Feb. 25, was assigned to Gracenote Inc. (New York).

"Methods and apparatus to fingerprint an audio signal via exponential normalization" was invented by Alexander Berrian (Emeryville, Calif.), Matthew James Wilkinson (Emeryville, Calif.) and Robert Coover (Orinda, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus, systems, and articles of manufacture are disclosed to fingerprint an audio signal via exponential normalization. An example apparatus includes an audio segmenter to divide an audio signal into a plurality of audio segments including a first audio segment and a second audio segment, the first audio segm...