Dual-mode Digital Set-top Box Design

With the rapid development of Information Highway, according to the network' s multi-media the application is already and not only the contented with data, speech, image resemble the information, and already and on a large scale face to see the Video the business development (stream medium etc.), and combine to already have emerge outed the good development trend, traditional and one-way arithmetic digital television with the newly arisen double directions interact TV create big maket.The arithmetic figure television speak, covered the tradition from the broad sensed of according to the wired arithmetic figure television( such as Europe' s DVC- C, North America ATSC etc.) of the single direction network( CATV) of cable TV, according to lead-in ground arithmetic figure that deliver television( such as Europe' s DVB- T etc.) and newly arisen according to the breadth take a the pair face the city-scale the net of hand over with each other television. (IPTV)Main expatiate of this text wired arithmetic figure television DVB-C principle and its machine crest business for box( STB) function, work principle, hardware construction is with the software system.Still introduced newly arisen hand over with each other television( IPTV) machine crest design principle for box and system structure, and blend the DVB- C with the IPTV both of receive the function to the integral whole's double latest development trend for design way of thinking for mold machine crest box, displaying the arithmetic figure machine crest the box.