ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,992, issued on June 24, was assigned to Nokia Technologies Oy (Espoo, Finland).

"Apparatus, a method and a computer program for video coding and decoding" was invented by Miska Hannuksela (Tampere, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Four or more bitstream versions of a same content are encoded and divided into segments of independently coded tile sets representing multiple spatial regions. First and second bitstreams include independently coded tile sets encoded at a first quality. Third and fourth bitstreams include independently coded tile sets encoded at a second quality. First and third bitstreams have first random access pic...