Environmental Noise: Emitters and Receivers


Nov 10, 2017 Leave a comment

Environmental noise: emitters and receivers   By John C. Dolehanty   When it comes to environmental noise it would seem you’re either on one side of the fence or the other:  you’re either an emitter or a receiver.  The purpose of this article is to inform the reader about “the other side”. Firstly, it should […]

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Classroom Acoustics


Jun 01, 2017 Leave a comment

Classroom Acoustics According to the Acoustical Society of America, up to 25% of the information can be missed in many classrooms in the United States because of excessive noise and reverberation.  ANSI Standard S12.60 for Classroom Acoustics addresses the issues of both reverberation time and background noise and their effect on speech intelligibility by placing […]

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From Noise to Acoustics: Changing the Focus for Industry


Mar 23, 2017 Leave a comment

From Noise to Acoustics: Changing the Focus for Industry  By Dave Cmar No one disputes that the dangers of noise induced hearing loss are still present in industry today.  This is especially true for businesses with older processes and limited resources to make the necessary changes to noisy machines and equipment. Don’t lose hope, there […]

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Choosing the Right Noise Exposure Assessment Tool


Aug 14, 2015 Leave a comment

Choosing the Right Noise Exposure Assessment Tool   By Dave Cmar Most industrial hygienists and others involved in physical hazard risk assessment have at some point in their careers been asked to evaluate noise exposure risk.  There are many tools to evaluate this risk, Industrial Hygiene assessment doctrines tend to favor the use of a […]

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