Study on Passive Acoustic Orienting System Based on Line Array of Microphone

Hao Wu; Zhi Qiang Fu; Wen Yue; Cheng Biao Wang

doi:10.4028/www.scientific.net/AMM.556-562.4417

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 556-562Study on Passive Acoustic Orienting System Based...

Study on Passive Acoustic Orienting System Based on Line Array of Microphone

Abstract:

The drawbacks of active object orienting system which is difficult to guarantee the concealment and security are obvious. Hence, the passive object orienting system becomes the research focus. Based on line array of microphone, the passive acoustic orienting system collects and records acoustic signals. The acoustic signals are processed by Conventional Beamforming (CBF) algorithm. The hardware of system is proved to be effective in the sound acquisition experiments. The results of acoustic orienting experiments are given, which shows that the error of acoustic orienting is less than 1%. The system which implements acoustic orienting and has a high accuracy is the base of the latter research in the laboratory.

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Periodical:

Applied Mechanics and Materials (Volumes 556-562)

Pages:

4417-4421

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.556-562.4417

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Online since:

May 2014

Authors:

Hao Wu*, Zhi Qiang Fu, Wen Yue, Cheng Biao Wang

Keywords:

Conventional Beamforming, Line Array, Microphone, Passive Acoustic Orienting

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* - Corresponding Author

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