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美国联邦通信委员会(FCC)将从1994年元旦起对6种数字声频广播(DAB)提案进行测试,从中选定一种美国的制式。曾经有过10种DAB提案,在1993年中归并成现在的6种。欧洲许多国家均声称将采用尤里卡147(Eureka 147)的数字声频广播方式,并在1992年世界无线电行政大会(WARC)上讨论了用L波段作数字声频广播的问题。从技术上来看尤里卡147是很完善的,并经过多次试验播出,均取得良好的效果。由于美国已将L
The U.S. Federal Communications Commission (FCC) will test six digital audio broadcast (DAB) proposals starting from New Year’s Day 1994, choosing a U.S. standard. There have been 10 DAB proposals that merged into 6 now in mid-1993. Many European countries have claimed that the Eureka 147 digital audio broadcast will be used and the L-band digital audio broadcast was discussed at the 1992 World Conference on Radio Administration (WARC). From a technical point of view Eureka 147 is very perfect, and after many trials broadcast, have achieved good results. As the United States has L