Patent ID: 8059209
Filing Date: 2011-11-15
Classification: H04N

Abstract:
1. A broadcast signal receiving device comprising: a receiving unit configured to receive digital broadcast signals including a plurality of sub-channels on each of a plurality of physical channels; a registering unit configured to register an indicator indicating whether or not each of the sub-channels is an audio channel in an indicator registration region of a channel map, which stores channel map information relating to a correspondence between the physical channels and the sub-channels; and a channel selection unit configured to select the sub-channels based on the channel map information and the indicator stored in the indicator registration region, the registering unit being further configured to register the indicator so as to determine video channels and audio channels, the channel selection unit being further configured to shift up or down only the video channels registered in the channel map by skipping the audio channels registered in the channel map based on the indicator in response to the channel selection unit receiving a channel selection indication for shifting up or down the sub-channels while shifting up or down the video channels, and the channel selection unit being further configured to shift up or down only the audio channels registered in the channel map by skipping the video channels registered in the channel map based on the indicator in response to the channel selection unit receiving the channel selection indication for shifting up or down the sub-channels while shifting up or down the audio channels.