Patent ID: 9716921
Date: 2017-07-25
CPC Classifications: H04N

Claim:
1. A method of transmitting a broadcast signal for a non-real-time (NRT) service, the method comprising: generating the NRT service that is a broadcast service delivered in advance of its use and signaling data for signaling the NRT service including NRT content; and transmitting the NRT service via a broadcast channel and the signaling data via a signaling path with a specific Internet Protocol (IP) address and a user datagram protocol (UDP) port number, wherein the signaling data includes an information table including information for service acquisition for broadcast services, wherein the NRT content is available for download to storage in a broadcast receiving device, wherein the NRT content is segmented into files that are delivered in at least one file delivery session, wherein the information table further includes service category information specifying a category of the broadcast service, wherein the information table further includes protection information indicating whether one or more components needed for meaningful presentation of the NRT service are protected, and wherein the broadcast channel includes a file description element that describes the files of the NRT content.