Terrestrial digital broadcasting will replace conventional terrestrial analog broadcasting by the year 2011, by which date all terrestrial broadcasting is scheduled to be switched over to the digital system. Among the advantages of digital service are high quality picture and sound, multiple channels, and interactive communication via data broadcasting. In addition, the electronic program guide enables viewers to reserve items in advance and to do program content searches of the program table from their receivers. The terrestrial digital broadcasting master system, which is at the heart of the new digital broadcasting station, accurately and automatically sends programs listed on the program table. The terrestrial digital broadcasting system has already been operating, following development of the new master system design. It has delivered programming to many broadcasting stations in the Tokyo, Nagoya and Osaka areas.
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