Patent ID: 8098740
Filing Date: 2012-01-17
Classification: H04N

Abstract:
1. A method of processing a digital broadcast signal in a broadcast transmitter, the method comprising: block processing mobile service data included in the digital broadcast signal, the block processing comprising: encoding signaling data for signaling the digital broadcast signal; forming a data group including the mobile service data of the RS frame portion and the encoded signaling data, wherein the data group includes first, second, third and fourth regions, wherein the first region includes four data blocks and each of the second, third and fourth regions includes two data blocks; forming mobile service data packets including the mobile service data in the data group; and transmitting the digital broadcast signal including the mobile service data packets, wherein the mobile service data includes video data which are encoded in a NAL unit, the NAL unit including NAL unit header extension information, wherein the NAL unit header extension information includes at least one of temporal information, quality level information, information indicating whether inter-layer prediction is used, and dependency information of the NAL unit.