Stephen E. Keith

Current research and/or projects
Measurement, simulation, analysis and modeling of impacts of noise with respect to human receptors
Research and/or project statements
- Improved measurement procedures and uncertainty estimates for devices and machinery
- Noise exposures for human or animal studies
- On request, provides input on environmental noise assessments under Canadian Environmental Assessment Act
Professional activities / interests
International Organization for Standardization project leader for revision of standards for machinery sound power determination, ISO 3741, 3743-1, 3744, 3745, 3746 and 3747. Member of working groups on environmental noise and anechoic chamber qualification.
Standards Council of Canada chair of Canadian advisory committee to ISO/TC43 Acoustics standards relating to audiology, vehicle and machinery noise, hearing protection, etc. Member of advisory committee to IEC on wind turbines.
Canadian Standards Association Z92 member or chair of committees on occupational noise
Canadian Acoustical Association member or chair of committees on machinery noise
Education and awards
PhD, Carleton University, Mechanical Engineering
MASc, University of Toronto, Aerospace Engineering, Engineering Science
Key publications
Giguère, A. Behar, H.R. Dajani, T. Kelsall, S.E. Keith, Direct and indirect methods for the measurement of occupational sound exposure from communication headsets, NCEJ, 60(6), 630-644, 2012
D.S. Michaud, S.E. Keith, K. Feder, T .Bower, Health impacts and exposure to wind turbine noise: Research design and noise exposure assessment, INTER-NOISE, 12, 10080-10087, 2012
McNeill, S.E. Keith, K. Feder, A.T.M. Konkle, D.S. Michaud, MP3 player listening habits of 17 to 23 year old university students, JASA, 128(2), 646-653, 2010
S.E. Keith, D.S. Michaud, and S.H.P. Bly, A proposal for evaluating the potential health effects of wind turbine noise for projects under the Canadian Environmental Assessment Act. J. Low Frequency Noise, Vibration & Active Control. 27(4), 253-265, 2008
E. Keith, D. S. Michaud and V. Chiu., Evaluating the maximum playback sound levels from portable digital audio players. J Acoust Soc Am, 123, 4227-4237, 2008
Michaud, D.S., Keith, S.E., McMurchy, D, Annoyance and disturbance of daily activities from road traffic noise in Canada. JASA, 123(2), pp. 784-792, 2008
D.S. Michaud, S. Fidell, K. Pearsons, K.C. Campbell, S.E. Keith, Review of field studies of aircraft noise-induced sleep disturbance, JASA, 121(1), 32-41, 2007
D.S, Michaud, S.E. Keith, D. McMurchy, Noise annoyance in Canada, Noise and Health, 7(27), 39-47, 2005
S.E. Keith, G. Krishnappa, and V. Chiu, Dynamic Capability of Sound Intensity Measurements at High Frequencies, Invited Paper N94, Internoise 2003, Korea, 8 pages
Michaud, D.S., McLean, J., Keith, S., Ferrarotto, C., Haley, S., Anisman, H., and Merali, Z, Differential impact of audiogenic stressors on Lewis and Fischer rats: Behavioral, neurochemical and endocrine variations. Neuropsychopharmacology, 28; 1068-1081, 2003