ALEXANDRIA, Va., March 3 -- United States Patent no. 12,568,343, issued on March 3, was assigned to Sony Interactive Entertainment Inc. (Tokyo).

"Mono interaural time delay (ITD) rendering" was invented by Brandon Sangston (San Mateo, Calif.) and Calum Armstrong (San Mateo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "To reduce comb filtering in the ipsilateral when rendering binaural audio from plural virtual speakers on, for example, headphones, the ipsilateral delays of the ITDs of the respective speakers can be reduced to zero and the contralateral delays increased to maintain the same temporal length of the ITDs, shifting the delays to the less important contralateral ear."

The patent was file...