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机构地区:[1]南京大学声学所,江苏南京210093 [2]江苏省建筑设计研究院有限公司,江苏南京210029
出 处:《电声技术》2009年第5期4-5,9,共3页Audio Engineering
摘 要:语言清晰度估算是建筑声学和扩声系统重要联系之一。直达声与混响声能比影响辅音清晰度损失率,从而影响语言清晰度。结合具体工程实例,给出了语言清晰度相关参数估计值、实际测量值和两者的偏差分析,并指出对语言清晰度的有效估算应该修正。正确的清晰度估算可以节约投资,降低工程风险。The estimation of speech articulation is one of important connections of architectural acoustics and sound reinforcement system. The speech articulation is affected by the articulation loss of consonants which is impacted by the acoustic ratio of direct and reverberation sound. Combined with the concrete projects, the estimated and measured values of related coefficients of speech articulation are given,and the differences between them are analyzed. It is pointed that the estimation of speech articulation should be modified. By estimating the speech articulation exactly, the investment can be economized, and the risks can be reduced.
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