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“数据广播的调研与分析”是部科技司下达给科技信息所的调研项目。 数据广播是声音广播、电视广播之外的第三种类型广播。它是用适当的数据处理装置接收的编码信息的广播。目前,数据广播在国际上已发展到很大规模。该项目组广泛收集各种有关资料,对数据广播的历史与现状作了较全面、准确的调查研究,并进行了综合分析。详细介绍了附加于声音广播上或利用声音广播信道传送的数据广播、附加于电视广播上或利用电视广播信道传送的数据广播、采用专用频道
“Research and Analysis of Data Broadcasting” is a research project issued by the Department of Science and Technology to the Science and Technology Information Institute. Data broadcasting is the third type of broadcasting other than sound broadcasting and television broadcasting. It is a broadcast of encoded information received with the appropriate data processing device. At present, data broadcasting has been developed to a very large scale internationally. The project team extensively collected all kinds of relevant information, made a more comprehensive and accurate survey on the history and current situation of data broadcasting, and conducted a comprehensive analysis. Data broadcasts attached to or broadcast on voice broadcast channels, data broadcasts attached to television broadcasts or transmitted via television broadcast channels are described in detail, and dedicated broadcasts