Earmuffs: A Primer
Earmuffs offer some tremendous benefits for the workplace as well as recreational and non-occupational applications. The innovations in design continue to make earmuffs a vital tool in hearing loss prevention.
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Acoustics for Hearing Protection Devices
By envisioning three fairly straightforward physical laws, one can become an expert (or at least well-versed) in the acoustic properties of HPDs.
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Introduction: Occupational Hearing Conservation and Hearing Protectors
An introduction to the topic of occupational noise-induced hearing loss by this month’s guest editors.
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Remembrances
In January, the hearing care field lost two 90-something pioneers in audiology, as well as a fairly young industry inventor. John Duffy, PhD, died of a series of strokes at age 93 after suffering a fall late last year. Duffy was a sometime
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Hearing Care for Adults: An International Conference
About 400 dispensing professionals—almost 200 of whom were from 27 countries outside the United States—attended this conference held near Chicago.
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HR 2007 Marketplace
A look at some of the exciting products available to hearing health care professionals.
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Upgrading Children to Super-power MCNL Aids: A Clinical Trial Using an A-B-A Test Method
An A-B-A study design, in which the child’s old hearing aids were refitted at the end of the study so that direct comparisons could be made, indicates that improvements using multi-channel non-linear (MCNL) super-power aids are not due to learning or test effects, but rather the effects of the device’s advanced technical features.
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Understanding Transitions: Between Then and Now
An examination of traditional fitting philosophy shows that we should examine the “glass half full” the residual auditory area) rather than the “glass half empty” (hearing loss or hair cells that cannot be restored). Filling the auditory area or dynamic range is at the heart of all modern fittings.
Read Morejodi-vac Co-Inventor Richard “Dick” Vessella Passes Away
Richard “Dick” Vessella, co-inventor of the jodi-vac hearing aid cleaner, passed away January 7, 2007. He was 53.
Read Morejodi-vac Co-Inventor Richard
Richard “Dick” Vessella, co-inventor of the jodi-vac hearing aid cleaner, passed away January 7, 2007. He was 53.
Read MoreShort-term Datalogging: Another Approach for Fine-tuning Hearing Aids
To better understand patient complaints, a portable system is necessary to record acoustic events.
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Science-based Fittings: Cross-checking the Hearing Loss and Verifying the Fitting
The cross-check principle has been utilized throughout the audiological test battery and expanded upon with the introduction of new technologies. This article looks at the use of the cross-check principle in identifying hearing loss, and then applies it to the verification of the hearing instrument fittings.
Read MoreNYC Transit System Study Finds Noise Levels Often Exceed Recommended Exposure Guidelines
In a survey of noise levels of the New York City transit system, researchers at Columbia University’s Mailman School of Public Health found that exposure to noise levels in subways have the potential to exceed recommended guidelines of the World Health Organization (WHO) and the US Environmental Protection Agency (EPA).
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Changing How Gain is Selected: The Benefits of Combining Datalogging and a Learning VC
Many people who have hearing instruments equipped with a volume control report that it is necessary to adjust the gain several times per day for different listening environments. A new hearing aid that combines datalogging and a learning VC for automatic adjustment of gain addresses this problem.
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Looking Back…Moving Forward
Perspectives from 18 companies in the hearing industry on what occurred in 2006 and what can be expected for 2007.
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