ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,312, issued on April 7, was assigned to Comcast Cable Communications LLC (Philadelphia).

"Overhead reduction in media storage and transmission" was invented by Alexander Giladi (Denver), Weidong Mao (West Windsor, N.J.) and Blake Orth (Denver).

According to the abstract* released by the U.S. Patent & Trademark Office: "A media file may comprise a plurality of frames, each frame having a header that stores systems level information associated with the media file. A first portion of a frame that comprises the systems level information and a second portion of the frame that comprises the media content itself may be determined for one or more frames of the media file. A compressed he...