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Evaluation of smartphone sound measurement applications.

Authors
Kardous-CA; Shaw-PB
Source
J Acoust Soc Am 2014 Apr; 135(4):EL186-EL192
NIOSHTIC No.
20044006
Abstract
This study reports on the accuracy of smartphone sound measurement applications (apps) and whether they can be appropriately employed for occupational noise measurements. A representative sample of smartphones and tablets on various platforms were acquired, more than 130 iOS apps were evaluated but only 10 apps met our selection criteria. Only 4 out of 62 Android apps were tested. The results showed two apps with mean differences of 0.07 dB (unweighted) and --0.52 dB (A-weighted) from the reference values. Two other apps had mean differences within +/-2 dB. The study suggests that certain apps may be appropriate for use in occupational noise measurements.
Keywords
Measurement-equipment; Sound; Noise; Sound-attenuation; Hearing-level; Auditory-system; Noise-pollution; Noise-measurement; Noise-levels; Noise-exposure; Noise-frequencies; Analytical-instruments; Analytical-processes
Contact
Chucri A. Kardous, National Institute for Occupational Safety and Health, 4676 Columbia Parkway, Cincinnati, Ohio 45226
CODEN
JASMAN
Publication Date
20140401
Document Type
Journal Article
Email Address
ckardous@cdc.gov
Fiscal Year
2014
NTIS Accession No.
NTIS Price
Identifying No.
M032014
Issue of Publication
4
ISSN
0001-4966
NIOSH Division
DART
Priority Area
Manufacturing
Source Name
Journal of the Acoustical Society of America
State
OH
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