Patent ID: 7872690
Filing Date: 2011-01-18
Classification: H04N

Abstract:
1. An apparatus for decreasing a channel change time in a digital broadcasting reception terminal, the apparatus comprising: a digital broadcast receiving unit for receiving broadcast data through a reference channel and at least one non-reference channel different from the reference channel, and extracting, from the received broadcast data, information on a starting time for reception of broadcast data of each channel; a timer for extracting, for the at least one non-reference channel, a time interval from the starting time for reception of the broadcast data of the reference channel to the starting time for reception of the broadcast data of the at least one non-reference channel; and a controller for controlling the digital broadcast receiving unit to extract the starting time information for the reception of the broadcast data of each channel, receiving the broadcast data of each channel according to the starting time information of the reference channel and the at least one non-reference channel, and storing the time intervals extracted by the timer as time offset values of the at least one non-reference channel.