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Noise

Noise

JAAA Editorial: Time is the Enemy

Vol. 30, No. 2 (February 2019) 
Gary P. Jacobson, Ph.D.
Editor-in-Chief, Journal of the American Academy of Audiology


Gary P. Jacobson, Ph.D
Editor-in-Chief​​​​

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How Loud is a Professional Football Game?

As part of its efforts to educate the public about the risks of exposure to loud sounds at home and in communities, the CDC National Center for Environmental Health (NCEH) has procured one-page advertisements in official printed sports programs for the National Hockey League (NHL), the National Basketball Association (NBA) and the National Football League (NFL).

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Biomarkers in Blood May Identify Noise-Induced Trauma

Have you ever wondered if there may be a way to identify noise-induced damage before hearing loss occurs?

If so, you may want to check out this study by Parham and colleagues (2018). In 2018, these researchers studied the levels of prestin (a protein found specifically in outer hair cells) in the blood of mice after being exposed to noise. This study revealed that the levels of prestin rose sharply when outer hair cells were damaged and start to die. The authors discuss the implications of these findings and next steps for studying the phenomena in humans.

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A Closer Look at the Trend of Loud Restaurants

Do you need more information to convince your patients why they should avoid going to restaurants during peak hours of business?

This article written by Wagner, architectural writer and graduate student of acoustical studies at the Johns Hopkins University’s Peabody Conservatory, dives into the history of restaurant acoustics and provides insight into why restaurants have become so loud. The trend of loud restaurants is not only harmful to hearing but has also been linked to “unhealthy food choices and excessive alcohol consumption.”

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The Soccer Strategy of Weaponized Sound

Yes, the greatest spectacle of the sporting world, the World Cup of soccer, is underway. We have reported on the pseudo earthquake of ecstasy caused by a Mexican goal against the reigning world champion Germans <link to vibrations of ecstasy. The curtains are yet to fall on the very first stage of the tournament and the past champions are boarding a homebound airplane – stung by a plucky South Korean side that forgot to be intimidated by the biggest names in soccer.

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Vibrations of Ecstacy

Audiologists are all about vibrations. Vibrations in the audible spectrum, and then some even lower frequency, longer wavelength vibrations that the vestibular system is so fond of. Seismologists, interested in detecting earthquakes also live in the world of low-frequency, long-wavelength vibrations. In fact, there is now a global network of detectors, on and listening at all times for seismic activity and documenting earthquakes, small and big alike.

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Pack Your Plugs

It is alright if you missed the royal wedding. Meghan and Harry will understand. But perhaps you would like to visit London over the summer months. Take in the lingering sense of history and festival that just transpired in the form of a royal wedding. Well certainly you will have to plan meticulously for such a trip. 

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Noisy Eating

“Did you just call me a dork?” The evening is over before you can explain that you were just asking for the fork. Increasingly, such is the fate of many a dinner meeting, social or professional. Those seeking good eats are also finding good and loud beats. While no one can deny the importance of ambiance, the hair cells and the cognitive centers having to work extra hard to carry on a conversation while enjoying a meal are beginning to complain. A visit to any of the modern eateries makes clear that the decor of our times does not naturally lead itself to good acoustics.

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Role of Open-Fit in Children

Open-fit style hearing aids have been primarily applied to adult populations with high-frequency hearing loss and conserved low-frequency hearing. The use of an open-fit strategy has advantages and disadvantages; for example, open-fit can decrease occlusion complaints, but as a negative may decrease benefits of noise reduction algorithms. Limited research has examined the application of open-fit domes in pediatric populations.

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Gaming to Better Hearing

Computer-based auditory training approaches have existed for decades. A major limitation of these platforms has been the transferability to real-world communication challenges. An almost universal complaint of individuals with any level of hearing loss is difficulty understanding speech in background noise. The challenge of background noise remains even with an appropriate fitting of amplification; coupling with remote microphone technologies are currently the best method for improving the signal-to-noise ratio, but also has its own inherent limitations. 

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