Patent ID: 7061544

Claim:
A digital television receiver, comprising: a receiver for receiving a digital television broadcast signal; a first extractor for extracting broadcast video data contained in a digital television broadcast signal received by said receiver; a second extractor for extracting additional information data contained in the digital television broadcast signal received by said receiver; an additional information video data outputter for outputting additional information video data based on the additional information data; a first video compositor for compositing the broadcast video data and the additional information video data according to a first window signal and outputting digital video data; a first selector for receiving at least the digital video data and the additional information video data and outputting first video data; a second selector for receiving at least the digital video data and the additional information video data and outputting second video data; a first video compressor for compressing the first video data according to a first compression ratio and outputting a first video data compression video signal; a second video compressor for compressing the second video data according to a second compression ratio and outputting a second video data compression video signal; a second video compositor for compositing the first video data compression video signal and second video data compression video signal according to a second window signal; and a monitor for displaying video pictures based upon an output of said second video compositor.