Patent ID: 8336072
Filing Date: 2012-12-18
Classification: H04N

Abstract:
1. A digital television receiver device comprising: first and second tuners for receiving first and second multiplexes of channels, each multiplex including at least one channel carrying a succession of programs and actual event information providing information relating to channels in the respective multiplex and other event information providing information relating to channels of other multiplexes, wherein a program is scheduled to be broadcast at a same time in different first and second formats respectively in the first and second multiplexes; a user interface configured to allow selection of a channel of said first multiplex; a controller configured to tune said first tuner to said first multiplex and to select said channel of said first multiplex; and an event unit configured to acquire, from said first multiplex, actual event information for said first multiplex and other event information for said second multiplex, said actual event information for said first multiplex being acquired, by said event unit via said first multiplex, more frequently than said other event information for said second multiplex, such that actual event information for a particular program has more up-to-date broadcast information than other event information for the particular program, wherein said controller is configured to determine, from said actual event information and said other event information from said first multiplex, whether a program to be broadcast in a channel of the first multiplex is scheduled to be broadcast at the same time in a channel of the second multiplex, and, when the controller determines that a program broadcast in the channel selected by the user interface is scheduled to be broadcast at the same time in a channel of the second multiplex, said controller is configured to tune said second tuner to said second multiplex, and said event unit is configured to acquire, from said second multiplex, actual event information for said program scheduled to be broadcast in the channel of the second multiplex, such that the digital television receiver device has accurate start and end times for the broadcast of said program scheduled to be broadcast in the channel of the second multiplex.