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电视事业正处于从模拟向数字化过渡、飞速发展的阶段,而高清晰度电视广播则代表了未来电视广播的发展方向。世界上以美国、日本为代表的许多国家都在进行高清晰度电视广播的开发研究。
The television business is in the transition from analogue to digitalization, and the high-definition television broadcast represents the future direction of the development of television broadcasting. Many countries in the world, represented by the United States and Japan, are engaged in the research and development of high-definition television broadcasting.