| 基于麦克风阵列和虚拟仪器的声源定位 |
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| 引用本文： | 冯道宁,王浩.基于麦克风阵列和虚拟仪器的声源定位[J].计算机工程与应用,2012,48(21):130-132,142. |
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| 作者姓名： | 冯道宁 王浩 |
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| 作者单位： | 1. 北京理工大学,北京100081 ;广西机电职业技术学院,南宁530007
2. 中兴通讯公司北京研发中心,北京,100044 |
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| 摘 要： | 对基于麦克风阵列的声源定位技术进行了研究,分析了时延估计算法的构成方法,在此基础上提出了用于二维DOA估计的双曲线算法。利用传声器MPA416和数据采集卡PXI4472结合Labview虚拟仪器实现了对声源的二维DOA估计。实验证明,该系统定位实时性好、准确度高。
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| 关 键 词： | 麦克风阵列 时延差 波达方向(DOA)估计 双曲线 |
Speech source localization based on microphone arrays and labview |
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| FENG Daoning
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WANG Hao.Speech source localization based on microphone arrays and labview[J].Computer Engineering and Applications,2012,48(21):130-132,142. |
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| Authors: | FENG Daoning WANG Hao |
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| Affiliation: | 1.Beijing Institute of Technology,Beijing 100081,China 2.Guangxi Vocational College of Mechanical & Electrical Technology,Nanning 530007,China 3.Beijing ZTE Research and Development Center,Beijing 100044,China |
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| Abstract: | The speech source localization technology based on microphone array has been researched.The constructive method of the time delay estimation algorithm has been studied.On this basis,the hyperbola algorithm for the 2-d DOA estimation is proposed,realizing 2-d DOA estimation of the speech source localization using microphones MPA416 and data acquisition card PXI4472 combining virtual instrument of NI company.Experimental results show that this system has low complexity and high accuracy. |
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| Keywords: | microphone array time delay difference Direction Of Arriva(lDOA)estimation hyperbola algorithm |
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