APPARATUS FOR TRANSMITTING BROADCAST SIGNALS, APPARATUS FOR RECEIVING BROADCAST SIGNALS, METHOD OF TRANSMITTING BROADCAST SIGNALS AND METHOD OF RECEIVING BROADCAST SIGNALS

• Main Authors: HONG Sungryong, KO Woosuk, LEE Jangwon, KWAK Minsung, YANG Seungryul, MOON Kyoungsoo
• Format: Patent
• Language: English
• Published: 12.04.2018
• Subjects: BROADCAST COMMUNICATION; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PICTORIAL COMMUNICATION, e.g. TELEVISION

A method of providing a broadcast service, the method includes generating service data for a broadcast service and Service Layer Signaling (SLS) for signaling the broadcast service; generating a signaling table having information used for indicating a transport session carrying the SLS for the broadcast service; and transmitting the service data, the SLS and the signaling table via a broadcast network, wherein the SLS includes a Service-based Transport Session Instance Description (S-TSID) and a Media Presentation Description (MPD), wherein the S-TSID includes information for indicating transport sessions carrying service components and content items for the broadcast service, the MPD includes a period element having an event stream element, the event stream element includes a plurality of event elements, and each of the event elements includes an event ID for an event and timing information for indicating start time of the event.