Architectures for Noise Identification Through Low-cost Microphone Arrays

Overview

Demand for microphone arrays for noise identification can be expected to steadily expand, due to increasing legislative demands and consumer pressure. Lower cost sensors for microphone arrays, advances in PC based instrumentation, and flexible software tools have opened applications with channel requirements from 32 to hundreds of channels. Identifying noise source location is a key towards engineering a quieter world. In order to effectively reduce noise, you must first know the sources. Noise emanating from any product is a combination of a variety of sources simultaneously radiating from different locations. Microphone arrays are an effective tool to visualize noise levels and its sources. Topics covered include microphone array examples including array microphones and calibration, advances in PC based instrumentation and flexible software tools for array configurations and analysis.

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