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Re: Noise in the workplace
There is a discussion on this topic on pages 103-105, with measurements
summarized as plots and tables, In Speech and Hearing in Communication,
by, ..., H Fletcher.
"Robert E. Remez" wrote:
> Dear Dan and Al:
> The WHO report, Guidelines for Community Noise, can be found at:
> The report is more appropriate for your purpose (protecting the
> tranquility of the workplace) than the OSHA Program for Hearing
> Conservation, for instance, or other standards that stem solely from
> health considerations. Basically, the levels of exposure that impair
> the auditory system are far higher than the levels that simply impair
> performance in the workplace, and you will want to impose the latter
> standard rather than the former. The WHO standard for an office,
> which derives from measures of the intelligibility of speech in
> noise, places the tolerable noise in the range of 35-45 dB.
> By the way, I also measured the background level in the main control
> room of the lab (42 dB, A scale) and in my office (two windows, on a
> busy corner of Broadway = 42 dB, A scale).
> I would be eager to know the norms if there is research on this topic.
> Good luck,
> Robert Remez
> Robert E. Remez, Chair 212.854.4247 office
> Department of Psychology 212.854.3601 fax
> Barnard College 212.854-2069 Department
> 3009 Broadway
> New York, New York 10027
> Email: firstname.lastname@example.org
> Home Page: www.columbia.edu/~remez
Jont B. Allen
AT&T Labs-Research, Shannon Laboratory, E161
180 Park Ave., Florham Park NJ, 07932-0971
973/360-8545voice, x7111fax, http://www.research.att.com/~jba
"A new scientific truth does not triumph by convincing its opponents and
making them see the light, but rather because its opponents eventually
die, and a new generation grows up that is familiar with it."