Patent ID: 7765578
Filing Date: 2010-07-27
Classification: H04N

Abstract:
1. A digital broadcast receiving device comprising: reception means for receiving and demodulating a digital broadcast signal including a data stream transmitted by a first layer and a data stream transmitted by a second layer; analysis means for analyzing reception quality of the digital broadcast signal received at said reception means; record means for recording therein both the data stream transmitted by the first layer and the data stream transmitted by the second layer included in the digital broadcast signal received at said reception means; and reproduction means for reproducing either the data stream transmitted by the first layer and recorded in the record means or the data stream transmitted by the second layer and recorded in the record means, wherein: said record means is adapted to record therein information concerning the reception quality of the digital broadcast signal analyzed by said analysis means in recording the data streams of the first and second layers included in said digital broadcast signal such that said information concerning the reception quality of the digital broadcast signal is associated with the data streams of the first and second layers, and said reproduction means is adapted to reproduce, based on the recorded information concerning the reception quality of the digital broadcast signal in said record means, either the data stream transmitted by the first layer and recorded in the record means or the data stream transmitted by the second layer and recorded in the record means.