Improvement of performance of sound source localization and tracking based on microphone array

Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (19): 235-237.

• 工程与应用 • Previous Articles Next Articles

Improvement of performance of sound source localization and tracking based on microphone array

WANG Jun,ZHONG Lan-xiang

School of Information and Technology，Northwest University，Xi’an 710069，China

Received:2007-09-28 Revised:2007-12-13 Online:2008-07-01 Published:2008-07-01
Contact: WANG Jun

麦克风阵列声源定位与跟踪性能改进

王军,种兰祥

西北大学信息科学与技术学院，西安 710069

通讯作者: 王军

Abstract

Abstract: The performance of linear microphone array is analyzed，and solutions to the problems that will occur when the microphone array serves for sound source localization and tracking in a closed environment is put forward.Using the three methods proposed together will improve the performance of the microphone array significantly without either changing the topology of array or increasing additional hardware devices cost.

Key words: microphone array, beam-forming, direction of arrival

摘要： 针对将线形全向麦克风阵列应用于室内声源定位与跟踪时出现的对称双主瓣、空间角分辨率下降、选择性频率衰落等问题，提出了相应的解决方法。联合使用所提出的三个方法，将大幅度提高室内线形全向麦克风阵列声源定位与跟踪的性能，而不必改变阵列拓扑结构、不增加硬件成本。

关键词: 麦克风阵列, 波束形成, 波达方向估计

WANG Jun,ZHONG Lan-xiang. Improvement of performance of sound source localization and tracking based on microphone array[J]. Computer Engineering and Applications, 2008, 44(19): 235-237.

王军,种兰祥. 麦克风阵列声源定位与跟踪性能改进[J]. 计算机工程与应用, 2008, 44(19): 235-237.

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Improvement of performance of sound source localization and tracking based on microphone array

麦克风阵列声源定位与跟踪性能改进

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