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Numerical Simulation of Microphone Wind Noise, Part 2: Internal Flow

This paper discusses the use of the computational fluid dynamics (CFD) for computational analysis of microphone wind noise. The previous part of this work showed that an external flow produces a pressure difference on the external boundary, and this pressure causes flow in the microphone internal structures, mainly between the protective grid and the diaphragm. The examples presented in this work describe the effect of microphone grille structure and microphone diaphragm properties on the wind noise sensitivity related to the behavior of this kind of internal flows.

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AES - Audio Engineering Society