What is Digital Video Broadcasting or DVB?
DVB, Europe’s contemporary answer to advanced television, looks a lot like standard U.S. television in a digital bottle: 4×3 aspect ratio, interlaced, non-square pixels (sampling lattice), which has been adopted by several national administrations. The thrust and future direction of DVB is digital and 16:9 but perchance not HDTV, as defined in the U.S. by ATSC and developed by the Grand Alliance. ATSC (the acronym for the U.S. originated Advanced Television Systems Committee), in its high definition formats, is square pixel, wide aspect ratio and mostly progressive scan (14 out of 18 formats). ATSC also includes a number of SDTV formats to accommodate legacy material. The European-standardized DVB standard has portions relating to terrestrial, satellite, cable, MDS, and even disk and Internet. The U.S ATSC is almost exclusively written from the terrestrial perspective. MPEG compression plays a key role in each. From an MPEG perspective, DVB is MPEG 2 Main Profile @Main Level (MP@ML) co
