Patent ID: 7555019
Filing Date: 2009-06-30
Classification: H04H,H04N,Y10S

Abstract:
1. A digital broadcast receiving apparatus for receiving a transport stream into which a plurality of output information tables and an update information table are respectively and repeatedly multiplexed and into which video data and/or audio data are multiplexed and outputting the video data and/or the audio data, wherein each output information table is contained in a transport stream packet in a section format and includes (i) a first version number, (ii) a unique ID including a packet identifier and a table identifier, and (iii) information for extracting and outputting the video data and/or the audio data, wherein the update information table includes (i) a plurality of unique IDs, each of which identifies a respective output information table, (ii) a plurality of first version numbers, each of which indicates an update version of a respective output information table, and (iii) a second version number indicating a version of the update information table, and wherein the second version number of the update information table of the transport stream is updated when a change occurs in any of the unique IDs and the first version numbers included in the update information table, the digital broadcast receiving apparatus comprising: