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A 32-capsules spherical microphone array was employed for analyzing the spatial properties of the sound field inside a car. Both the background noise and the sound generated by the car`s sound system were spatially analyzed, by superposing false-color sound pressure level maps over a panoramic 360x180 degrees image, obtained with a parabolic-mirror camera. The analysis of the noise field revealed the parts of the car body where more noise is leaking in, providing guidance for better soundproofing. The analysis of the impulse responses generated by the loudspeakers did show useful information on the reflection patterns, providing guidance for adding absorbent material in selected locations and for optimizing position and orientation of loudspeakers.
Author (s): Binelli, Marco;
Venturi, Andrea;
Amendola, Alberto;
Farina, Angelo;
Affiliation:
University of Parma, Parma, Italy
(See document for exact affiliation information.)
AES Convention: 130
Paper Number:8338
Publication Date:
2011-05-06
Session subject:
Multichannel/Spatial
DOI:
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Binelli, Marco; Venturi, Andrea; Amendola, Alberto; Farina, Angelo; 2011; Experimental Analysis of Spatial Properties of the Sound Field Inside a Car Employing a Spherical Microphone Array [PDF]; University of Parma, Parma, Italy; Paper 8338; Available from: https://aes.org/publications/elibrary-page/?id=15805
Binelli, Marco; Venturi, Andrea; Amendola, Alberto; Farina, Angelo; Experimental Analysis of Spatial Properties of the Sound Field Inside a Car Employing a Spherical Microphone Array [PDF]; University of Parma, Parma, Italy; Paper 8338; 2011 Available: https://aes.org/publications/elibrary-page/?id=15805
@inproceedings{Binelli2011experimental,
title={{Experimental Analysis of Spatial Properties of the Sound Field Inside a Car Employing a Spherical Microphone Array}},
author={Binelli, Marco and Venturi, Andrea and Amendola, Alberto and Farina, Angelo},
year={2011},
month={may},
booktitle={Journal of the Audio Engineering Society},
publisher={Paper 8338; AES Convention 130; May 2011},
number={8338},
organization={AES},
}
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