Passive Acoustic Sound Source Tracking in 3D Using Distributed Microphone Arrays

被引:0
作者
Verreycken, Erik [1 ,2 ]
Daems, Walter [1 ,2 ]
Steckel, Jan [1 ,2 ]
机构
[1] Univ Antwerp, FTI CoSys Lab, Antwerp, Belgium
[2] Flanders Make Strateg Res Ctr, Lommel, Belgium
来源
2018 NINTH INTERNATIONAL CONFERENCE ON INDOOR POSITIONING AND INDOOR NAVIGATION (IPIN 2018) | 2018年
关键词
passive acoustic localization; microphone array; scale-free; wireless sensor network; bio-acoustic localization; SYNCHRONIZATION; LOCALIZATION;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper we describe a system for passive acoustic sound source localization in 3D using a distributed microphone array. By distributing the microphones into small-scale and large-scale arrays we can exploit array processing algorithms that use near-field and far-field properties of the sound source with respect to the array. The microphones on the small-scale device are sampled using a single, simultaneously sampling analog to digital converter which results in time synchronization between these microphone channels up to a small fraction of the signal's phase. The large-scale array consists of multiple smallscale devices and can be deployed over a much larger capture volume. We create the distributed microphone arrays in a manner that is scale-free with regard to the amount of microphones in the system, the capture volume, the type of sound and the type of sensors/microphones. In this paper we describe the hardware topology, the localization algorithms and the obtained results.
引用
收藏
页数:8
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