Patent ID: 9621963
Date: 2017-04-11
CPC Classifications: H04N

Claim:
1. A computer-implemented method comprising: generating, based on program information about essence of a media program, an essence-and-version identifier for the essence of the media program; based on the essence of the media program, a reference clock and the essence-and-version identifier, generating time-based metadata comprising a grid of time points over the essence of the media program; correlating one or more cloud-based companion content items with one or more time points in the grid of time points over the essence of the media program by linking one or more companion content items in the companion content to one or more time points in the grid of time points over the essence of the media program; causing the essence of the media program and the time-based metadata to be outputted to one or more recipient systems; wherein the method is performed by one or more computing devices.