基于传声器阵列的声源定位延迟估计研究

2015 IEEE Advanced Information Technology, Electronic and Automation Control Conference (IAEAC) Pub Date : 2015-12-01 DOI:10.1109/IAEAC.2015.7428637

Zhang Qinqin, Zhang Linghua

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引用次数: 6

摘要

为了解决基本互相关(BCC)方法在时延估计中精度和鲁棒性较差的问题，提出了一种改进的基于广义互相关的时延估计算法，并进行了仿真，从抗噪声和抗混响鲁棒性两方面研究了算法的性能。然后，结合传声器阵列结构，实现了基于时延估计的声源定位。仿真结果表明，改进后的方法在噪声和混响情况下的声源定位精度高，计算量小，可用于声源定位。

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Study of delay estimation in acoustic source localization based on microphone array

In order to solve the problem that the precision and robust of basic cross-correlation(BCC) method in time delay estimation is poor, an improved time delay estimation algorithm based on generalized cross correlation is put forward and simulated to study the performance of the algorithms from the aspects of anti - noise and anti - reverberation robustness. Then, combined with the microphone array structure, sound source localization based on time delay estimation is achieved. The simulation results show the improved method has high accuracy and small computation of the source location in the case of noise and reverberation, which can be used for sound source localization.

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2015 IEEE Advanced Information Technology, Electronic and Automation Control Conference (IAEAC)

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