DSC-HDTV broadcasting with upconverted NTSC video

A method of gradually introducing of simulcast digital spectrum-compatible (DSC)-HDTV broadcasting, thereby deferring a significant portion of the investment in new equipment, is described. Starting with a DSC-HDTV transmitter and antenna, all currently used National Television Systems Committee (NTSC) equipment continues to serve with the addition of an NTSC/DSC-HDTV scan converter, the upconverter. This unit is described in detail.<
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