ALEXANDRIA, Va., June 10 -- United States Patent no. 12,293,751, issued on May 6, was assigned to Purdue Research Foundation (West Lafayette, Ind.).
"Interactive noise cancelling headphone" was invented by Shima Jahani (West Lafayette, Ind.) and Hamid Basaeri (Cambridge, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of reducing signals associated with one or more classes of unwanted noise is disclosed which includes choosing one or more classes as noise to be cancelled while allowing the remainder of classes amongst a plurality of classes to pass through, dividing an incoming time-varying signal into a plurality of snippets having a single or a plurality of durations, transforming each snippe...