Patent ID: 9226014
Filing Date: 2015-12-29
Classification: H04N

Abstract:
1. A method of transmitting a broadcast signal for a non-real-time service (NRT), the method comprising: generating the broadcast signal including an RT (real-time) service, the NRT service that is a broadcast service delivered in advance of its use and signaling data for signaling the NRT service; and transmitting the NRT service via a broadcast channel, and the signaling data for the NRT service, wherein the NRT service includes one or more components, wherein the signaling data includes a service signaling element and an NRT content element, wherein the NRT content element describes NRT content included in the NRT service, wherein the NRT content is available for download to storage in a broadcast receiving device, wherein the NRT content element includes download time information specifying times during which the NRT content is to be made available for download, wherein the NRT content is segmented into files that are delivered in at least one file delivery session, and wherein the service signaling element contains service-level attributes for the NRT service including the NRT content, wherein the service signaling element includes essential component information indicating whether one of the one or more components is essential or optional for the NRT service, and wherein the NRT content element further includes playback length information specifying a duration of playback of the NRT content.