A few comments about the section on noise.
The article identified that there are technologies which can help block unwanted noise in office environments. It suggests that there is little scientific evidence that these technologies, called 'electronic sound masking systems' work, however this couldn't be further from the truth. These systems have been in use for over 40 years and have been studied extensively with respect to their effectiveness in reducing noise intrusion and increasing speech privacy. Benefits can be measured and to some extent predicted (for example, see http://irc.nrc-cnrc.gc.ca/ie/cope/03-Acoustics_e.html). Quantitative and subjective on-site research projects have documented the benefits.
The article also does the reader a disservice by linking only to a non-commercial level software program that is not of the type that would be recommended for implementation in a commercial office environment. For more informtion about professional quality systems, readers may want to visit sites such as that for the LogiSon product line (www.logison.com).
The solution to office noise issues is not to keep silent (though proper office etiquette should of course be followed) nor to wear headphones. Noise and other acoustical issues should be properly addressed by workplace designers who use a balanced combination of physical barriers, absorptive materials, and sound masking.









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