Patent ID: 7936399

Claim:
A digital broadcasting receiver comprising: a demultiplexer configured to demultiplex a digital television (DTV) stream to a video stream and a supplementary stream, the supplementary stream including an event information table (EIT) describing an event which has one or more closed captioning services; a controller configured to decode a caption service descriptor providing closed captioning information in the EIT, wherein the caption service descriptor comprises: information indicating a number of closed caption services present in an associated EIT event, information defining a language associated with each of the closed caption services, information indicating whether a digital television closed caption service is present in the video stream or a line 21 closed caption service is present in the video stream in accordance with electronic industry association (EIA) 708, information identifying a caption service number of each of the closed caption services, and information indicating whether or not each of the closed caption services is formatted for display with a 16:9 aspect ratio; a video decoder configured to decode video data in the video stream; and a caption decoder configured to decode caption data in the video stream.