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On the ability of consumer electronics microphones for environmental noise monitoring

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Abstract
The massive production of microphones for consumer electronics, and the shift from dedicated processing hardware to PC-based systems, opens the way to build affordable, extensive noise measurement networks. Applications include e. g. noise limit and urban soundscape monitoring, and validation of calculated noise maps. Microphones are the critical components of such a network. Therefore, in a first step, some basic characteristics of 8 microphones, distributed over a wide range of price classes, were measured in a standardized way in an anechoic chamber. In a next step, a thorough evaluation was made of the ability of these microphones to be used for environmental noise monitoring. This was done during a continuous, half-year lasting outdoor experiment, characterized by a wide variety of meteorological conditions. While some microphones failed during the course of this test, it was shown that it is possible to identify cheap microphones that highly correlate to the reference microphone during the full test period. When the deviations are expressed in total A-weighted (road traffic) noise levels, values of less than 1 dBA are obtained, in excess to the deviation amongst reference microphones themselves.
Keywords
RISK, IBCN, EXPOSURE, SLEEP, ROAD TRAFFIC NOISE

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Citation

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MLA
Van Renterghem, Timothy, Pieter Thomas, F Dominguez, et al. “On the Ability of Consumer Electronics Microphones for Environmental Noise Monitoring.” JOURNAL OF ENVIRONMENTAL MONITORING 13.3 (2011): 544–552. Print.
APA
Van Renterghem, T., Thomas, P., Dominguez, F., Dauwe, S., Touhafi, A., Dhoedt, B., & Botteldooren, D. (2011). On the ability of consumer electronics microphones for environmental noise monitoring. JOURNAL OF ENVIRONMENTAL MONITORING, 13(3), 544–552.
Chicago author-date
Van Renterghem, Timothy, Pieter Thomas, F Dominguez, Samuel Dauwe, A Touhafi, Bart Dhoedt, and Dick Botteldooren. 2011. “On the Ability of Consumer Electronics Microphones for Environmental Noise Monitoring.” Journal of Environmental Monitoring 13 (3): 544–552.
Chicago author-date (all authors)
Van Renterghem, Timothy, Pieter Thomas, F Dominguez, Samuel Dauwe, A Touhafi, Bart Dhoedt, and Dick Botteldooren. 2011. “On the Ability of Consumer Electronics Microphones for Environmental Noise Monitoring.” Journal of Environmental Monitoring 13 (3): 544–552.
Vancouver
1.
Van Renterghem T, Thomas P, Dominguez F, Dauwe S, Touhafi A, Dhoedt B, et al. On the ability of consumer electronics microphones for environmental noise monitoring. JOURNAL OF ENVIRONMENTAL MONITORING. 2011;13(3):544–52.
IEEE
[1]
T. Van Renterghem et al., “On the ability of consumer electronics microphones for environmental noise monitoring,” JOURNAL OF ENVIRONMENTAL MONITORING, vol. 13, no. 3, pp. 544–552, 2011.
@article{2041670,
  abstract     = {The massive production of microphones for consumer electronics, and the shift from dedicated processing hardware to PC-based systems, opens the way to build affordable, extensive noise measurement networks. Applications include e. g. noise limit and urban soundscape monitoring, and validation of calculated noise maps. Microphones are the critical components of such a network. Therefore, in a first step, some basic characteristics of 8 microphones, distributed over a wide range of price classes, were measured in a standardized way in an anechoic chamber. In a next step, a thorough evaluation was made of the ability of these microphones to be used for environmental noise monitoring. This was done during a continuous, half-year lasting outdoor experiment, characterized by a wide variety of meteorological conditions. While some microphones failed during the course of this test, it was shown that it is possible to identify cheap microphones that highly correlate to the reference microphone during the full test period. When the deviations are expressed in total A-weighted (road traffic) noise levels, values of less than 1 dBA are obtained, in excess to the deviation amongst reference microphones themselves.},
  author       = {Van Renterghem, Timothy and Thomas, Pieter and Dominguez, F and Dauwe, Samuel and Touhafi, A and Dhoedt, Bart and Botteldooren, Dick},
  issn         = {1464-0325},
  journal      = {JOURNAL OF ENVIRONMENTAL MONITORING},
  keywords     = {RISK,IBCN,EXPOSURE,SLEEP,ROAD TRAFFIC NOISE},
  language     = {eng},
  number       = {3},
  pages        = {544--552},
  title        = {On the ability of consumer electronics microphones for environmental noise monitoring},
  url          = {http://dx.doi.org/10.1039/c0em00532k},
  volume       = {13},
  year         = {2011},
}

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