ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,822, issued on June 24, was assigned to Dolby Laboratories Licensing Corp. (San Francisco).
"Audio content identification" was invented by Guiping Wang (Beijing) and Lie Lu (Dublin, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of audio content identification includes using a two-stage classifier. The first stage includes previously-existing classifiers and the second stage includes a new classifier. The outputs of the first and second stages calculated over different time periods are combined to generate a steering signal. The final classification results from a combination of the steering signal and the outputs of the first and se...