ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,231,744, issued on Feb. 18, was assigned to Netflix Inc. (Los Gatos, Calif.).

"Systems and methods for providing optimized time scales and accurate presentation time stamps" was invented by Weiguo Zheng (San Jose, Calif.), Rex Yik Chun Ching (San Ramon, Calif.), Yongjun Jeon (Los Gatos, Calif.) and Chandrika Kasi (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed computer-implemented method includes determining, for multiple different media items, a current time scale at which the media items are encoded for distribution, where at least two of the media items are encoded at different frame rates. The method then includes iden...