It is reported that some types of insects have a remarkable ability to detect the direction of an incident sound even though its acoustic sensory organs are in very close proximity to each other. The ears are maybe jointed by a cuticular structure with which the separated motions can be coupled mechanically and thus be magnified. In this paper, a detailed model is setup to describe the principle of this type of localization used a mechanical coupled structure. The transfer functions and the responses of the model in terms of time and frequency are analyzed to describe the mechanism of its ability of directional hearing. This analytical model provides a method to design the experimental model for the predetermined incident sound pressure, and the analysis of this model shows that this structure have the ability to determine the direction of the incident stimulus.
- Design Engineering Division and Computers and Information in Engineering Division
An Analytic Model of Subminiature Auditory Sensation System for Sound Source Localization
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Wang, Q, Ta, N, & Rao, Z. "An Analytic Model of Subminiature Auditory Sensation System for Sound Source Localization." Proceedings of the ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 1: 21st Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C. Las Vegas, Nevada, USA. September 4–7, 2007. pp. 347-351. ASME. https://doi.org/10.1115/DETC2007-35022
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