Or they may be able to interact with the programming so a local news show, for example, can register viewer opinion on a controversial issue. Once focused on a single program, viewers saw how they'll have access to services ranging from closed captioning to alternative for eign-language versions and quadraphonic sound. Science," a wildlife special and a programming guide. One giant screen showed how viewers will be able to see and choose from four PBS programs, such as "Arthur's Teacher's Troubles," "Dr. On one side of the truck, visitors sat in a Disneylike Living Room of Tomorrow equipped with television sets. Still, yesterday's demonstration by Harris, a TV equipment maker, signaled that - KQED plans to be ready for the switch as part of the PBS network. Other PBS stations, along with networks Fox, ABC, CBS and NBC and their local affiliates, plan to start carrying digital signals this fall. KQED may be among the last stations to carry digital signals when it starts doing so on Channel 30 next year. "That means they could see an adult education program, Charlie Rose, a cooking show or a news hour."Īlternatively, one of the channels, or even an added fifth channel, could serve as a programming guide or to deliver other data, ranging from educational materials to weather and stock prices. "When not broadcasting HDTV, this will mean that at any given moment, a consumer can choose any four programs from the day or the evening," said Larry Reid, director of TV operations for KQED. The new HDTV sets are expected to cost $2,500 or more when they first hit stores later this year. Or it could deliver a single signal carrying a crisper, cleaner picture to consumers who have purchased high-definition television sets.Ī cleaner picture won't come cheap. The goal is to illustrate how television will be transformed by the technology that allows images and sound to be captured and transmitted using the same digital code found in computers: ones and zeros.Ī station could split the digital signal to broadcast several television shows simultaneously. To show off the possibilities, KQED yesterday hosted the Harris/ PBS DTV Express, a 66-foot, 18-wheel truck that will travel to 40 U.S. It all depends on how local public television stations such as KQED use the new digital television signals that will be phased in over the next couple of years.
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