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ACOUSTIC SENSORS & MEASURING SOLUTIONS

Sound Localization Systems

Scanning and array solutions for sound localization

The efficient identification of the areas that produce significant acoustic excitation is one of the main challenges of most noise and vibration problems. The introduction of novel scanning techniques such as Scan & Paint (2D or 3D) enable to acquire an extensive amount of information in a fast and efficient manner whilst preserving the simplicity of a single probe solution. Acoustic variations throughout space can be determined by combining the signals acquired with tracking information. The direct visualization of the resulting sound pressure, acoustic particle velocity or sound intensity fields can be achieved in a matter of minutes, obtaining a detailed description of the sound spatial distribution.

Alternatively, non stationary acoustic problems can be assessed using array solutions that integrate sound pressure and particle velocity sensors. By positioning the array close to the the machine or structure under assessment, direct field mapping or near-field acoustic holography techniques can reveal the location of the main excitation areas producing noise.

ACOUSTIC SENSORS & MEASURING SOLUTIONS

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