Word: playback
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Because of the cost and the comparative scarcity of the playback equipment, general-interest magazines on tape are a prospect for the future. But trade magazines, aimed at a specialized audience, can be justified both as a business expense and as an efficient way to get across what may essentially be visual information. A new camera will look much better going through its paces on tape than being described and diagrammed on a page...
...about two minutes. If the MovieMat seems designed to fulfill the cin-éaste's nightmare-movies as the ultimate junk food-then RENTABETA, a Los Angeles company, may make the medium as handy as paperbacks. For as little as $2.95 a day, RENTABETA provides a playback unit that weighs 15 lbs. and comes in an indestructible plastic case. About 500 video stores in three Western states are currently renting the 3,000 available units. They also instruct customers about connecting the RENTABETAS to their home sets ("It's just two little wires...
...machine continued operations under the command of its preprogrammed computers, taking pictures, performing experiments and storing the information on tape. Not until Voyager 2 emerged from behind Saturn and again began radioing back data did scientists learn that something had gone wrong. As Voyager 2 crossed the rings, the playback showed, the cameras began missing their targets. Somehow the spacecraft's movable "scan platform," which acts as an aiming mechanism for the narrow-and wide-angle cameras as well as several other optical instruments, had slowed, then stuck. The platform could swing up and down but not sideways, leaving...
...Company, teaches classes on the media at the Ed School. "What we do is find out how we can use TV and education and entertainment," he says, adding that "when you put something on TV, there's no opportunity to talk back and react. The new technology is videodiscs, playback and cable. You can set up a two-way interaction between the media and kids." Lesser says the Ed School and MIT may collaborate soon to set up media research and production facilities...
...most sophisticated videodisc players currently available are Magnavision, a joint venture of the Dutch electronics firm Philips and the American entertainment company MCA, and LaserDisc, a product of the Japanese electronics firm Pioneer. Both use playback machines that read pictures and sound from a metallic record via a laser beam that never physically touches the platter. With LaserDisc the viewer can select which of the up to 54,000 frames on the record he wants to see by pushing buttons on a keyboard; each frame has its own number. For instance, on a disc that contains images of art masterpieces...