ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,408, issued on May 20, was assigned to V-NOVA INTERNATIONAL Ltd. (London).

"Exchanging information in hierarchical video coding" was invented by Guido Meardi (London) and Ivan Damnjanovic (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to an aspect of the invention there may be provided a method of encoding a stream of data, the method comprising: receiving an input signal; applying a first encoding operation on the input signal using a first codec to generate a first encoded stream; and, applying a second encoding operation on the input signal to generate a second encoded stream, wherein the first and second encoded streams are for...