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科学通报  2014 

我国数字广播的发展方向

DOI: 10.1360/N972014-00081, PP. 2320-2327

Keywords: 数字广播,数字音频广播,数字多媒体广播,公众化应用,预警,应急救灾,景区安全

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Abstract:

数字广播的发展方向从传统的音频节目转向公众化多媒体信息发布,这将使得广播技术的本征优势得以发挥,并能弥补通讯和互联网技术的不足,从而使广播技术成为现代通信技术的互补技术而得到长足发展.本文综述了数字广播DAB技术在公共信息发布和教育、预警救灾、景区安全等专业领域的应用,显示了公众化应用巨大的市场潜力;分析了我国发展DAB所面临的困难,而公众化应用是走出困境的方向;进而介绍了我国在DAB技术和公众化应用方面所具备的核心技术和创新性成果,说明我国可以在这个领域领先于国际水平,并形成一个特色产业.

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