Patent ID: 7489685
Filing Date: 2009-02-10
Classification: H04H,H04N

Abstract:
1. A digital broadcast receiving apparatus comprising a packet-overwriting device capable of overwriting unnecessary-packet areas corresponding to unnecessary packet identifiers (PIDs) in a first transport stream (TS) using packets corresponding to necessary PIDs in a second TS; and necessary-packet extracting means for extracting packets corresponding to necessary PIDs in a second TS input from a second one of said demodulator sections, where the first one of said demodulator sections is different from the second one of said demodulator sections; and packet-overwriting means for overwriting packets extracted by said necessary-packet extracting means to said unnecessary-packet areas detected by said unnecessary-packet detecting means, wherein a custom transfer stream output from said packet-overwriting means is output to at least one of said output destinations specified by said input section.