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国际体育大型赛事对广播电视技术起着重要推进作用。从图1中我们可以看到广电技术的新成果在奥运会上不断得到应用,为奥运会电视转播提供了更丰富的手段。在1948年伦敦奥运会时首次进行了电视转播;在1964年开始了彩色电视转播;在2008年北京奥运会开始了高清的普及;在2012年伦敦奥运会时第一次进行4K的节目转播;现在面临的是平昌(冬季)奥运会及东京奥运会,到那时将会真正开始进行超高清4K/8K电视转播。
International sports events play an important role in promoting radio and television technology. From Figure 1, we can see the new achievements of radio and television technology continue to be applied in the Olympic Games, providing a richer means for the Olympic Games television transmission. The first television broadcast of the London Olympics in 1948; the beginning of the color television broadcast in 1964; the beginning of HD coverage at the 2008 Olympics in Beijing; the 4K broadcast of the first Olympics in 2012; It is the Pyeongchang (Winter) Olympic Games and the Tokyo Olympics, and by then it will really start making ultra-high definition 4K / 8K television broadcasts.