ALEXANDRIA, Va., March 12 -- United States Patent no. 12,250,421, issued on March 11, was assigned to Comcast Cable Communications LLC (Philadelphia).
"Device synchronization for audiovisual content" was invented by Zachary Wagner (Philadelphia), Tony Nguyen (Philadelphia), Yong Ji (Springfield, Pa.) and Alison Stiel (Philadelphia).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, apparatuses, and methods are described for synchronizing output of a plurality of user devices. An immersive experience for users may be provided by mapping what the users are watching into functionalities of the user devices. Manifest files may comprise information determined for audio and/or video features of segments of aud...