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传声器阵列的构建与性能评估

Construction and Performance Evaluation of Microphone Array
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摘要 介绍了USB接口传声器阵列软硬件的构建原理,包括元件选择、硬件框架设计、固件程序设计、驱动程序设计、应用程序设计等。引入互相关时延估计和对数谱距离分别用于评价传声器阵列通道间的同步性和频率响应一致性。给出实验数据,从定性和定量两个方面对构建的传声器阵列进行评价。测试结果表明,设计方案可行、性能良好,可进一步用于传声器阵列的应用研究。 Software and hardware construction principle of USB interface microphone array is introduced,including element selecting,hardware frame designing,firmware programming designing,driver programming designing and application programming designing etc.CC（cross correlation） time delay estimation and LSD（logarithm spectrum distance） is imported and used to evaluate microphone array interchannel synchronization and frequency response consistency.Experiment data is given and constructed microphone array is evaluated from qualitative and quantitative aspects in the paper.
作者 廖逢钗
机构地区 三明学院数学与计算机科学系
出处 《三明学院学报》 2011年第2期41-45,共5页 Journal of Sanming University
基金 福建省自然科学基金项目(2009J01296)
关键词 传声器阵列 USB2.0 互相关函数 对数谱距离 microphone array USB2.0 cross correlation function logarithm spectrum distance
分类号 TN912.3 [电子电信—通信与信息系统]
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参考文献8

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二级参考文献18

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共引文献27

三明学院学报
2011年 第2期

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