title: A biomimetic coupled circuit based microphone array for sound source localization.
abstract: An equivalent analog circuit is designed to mimic the coupled ears of the fly Ormia ochracea for sound source localization. This coupled circuit receives two signals with tiny phase difference from a space closed two-microphone array, and produces two signals with obvious intensity difference. The response sensitivity can be adjusted through the coupled circuit parameters. The directional characteristics of the coupled circuit have been demonstrated in the experiment. The miniature microphone array can localize the sound source with low computational burden by using the intensity difference. This system has significant advantages in various applications where the array size is limited.
authors.affiliation: School of Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China hupingxu@126.com.
authors.forename: Huping
authors.initials: H
authors.lastname: Xu
authors.affiliation: School of Automation, Wuhan University of Technology, Wuhan 430070, China xiangyxu699@gmail.com.
authors.forename: Xiangyuan
authors.initials: X
authors.lastname: Xu
authors.affiliation: Key Laboratory of Noise and Vibration Research, Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190, China hjia@mail.ioa.ac.cn, guanluyang@mail.ioa.ac.cn, baoming@mail.ioa.ac.cn.
authors.forename: Han
authors.initials: H
authors.lastname: Jia
authors.affiliation: Key Laboratory of Noise and Vibration Research, Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190, China hjia@mail.ioa.ac.cn, guanluyang@mail.ioa.ac.cn, baoming@mail.ioa.ac.cn.
authors.forename: Luyang
authors.initials: L
authors.lastname: Guan
authors.affiliation: Key Laboratory of Noise and Vibration Research, Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190, China hjia@mail.ioa.ac.cn, guanluyang@mail.ioa.ac.cn, baoming@mail.ioa.ac.cn.
authors.forename: Ming
authors.initials: M
authors.lastname: Bao
mesh_terms: D000162:Acoustics / Q000295:instrumentation*; D000818:Animals; D040761:Biomimetic Materials; D003463:Cues; D004175:Diptera / Q000502:physiology*; D004867:Equipment Design; D008904:Miniaturization; D008954:Models, Biological; D009038:Motion; D012815:Signal Processing, Computer-Assisted; D013016:Sound; D013017:Sound Localization; D013997:Time Factors; D014159:Transducers