迄今用于科学和军事领域的超大规模集成电路(VLSI)技术,今年预计要进入用户的家庭中。至少四个厂家要生产数字电视机。这种电视机是由包括五种VLSI电路的八块片子组成。由国际电报电话公司(ITT)设计并生产的集成电路片将取代用于模拟电视机中的大多数信号处理电子线路,它能完成三十万只晶体管做的工作。按照ITT的观点,数字电视接收机(不要与数字电视传送混淆,那是不同的技术)的价格将与现今第一流的接收机价格差不多一样,但能提供更好的图象质量。另外,在今后几年中,数字信号处理技术将容许引入这样的功能,如一幅画面插入至另一幅之中,观众可同时观看两个台的节目;对图象的一部分可进 VLSI technology so far used in scientific and military fields is expected to enter the user’s home this year. At least four manufacturers to produce digital TV. This television set consists of eight slices of five VLSI circuits. ICs, designed and manufactured by the International Telegraph and Telephone Company (ITT), will replace most of the signal processing electronics used in analog television sets and will be capable of performing three hundred thousand transistors. According to ITT, the price of digital television receivers (not to be confused with digital television transmissions, which are different technologies) will be about the same as today’s best-in-class receiver but provide better picture quality. In addition, in the coming years, digital signal processing technology will allow the introduction of such a function that one picture is inserted into another, the viewer can view the programs of both stations at the same time, and a part of the image can be entered