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DoD Funding Opportunity – Hearing Protection Fit Testing System
Posted: December 8, 2021
The Department of Defense (DoD) Defense Health Agency has released a Small Business Innovative Research announcement for "Scalable Multi-person Hearing Protection Device Fit-testing System." The objective is to develop a system that can simultaneously fit-test multiple people with their personal hearing protection devices (HPDs). The system should be usable in clinical and non-clinical settings to quickly test the fit of HPDs from various manufacturers. For details, go to https://www.dodsbirsttr.mil/topics-app/ (Search for "Hearing Protection" or "Fit-testing" in the Filter By box)
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Quiet Place Challenge – Thank You for Participating
Posted: December 8, 2021
 SoundPrint, the hearing health app, would like to thank the NHCA community and other partners for participating in their 2021 Find Your Quiet Place Challenge. During October, SoundPrint collected over 2,000 sound checks at 1,700 unique venues to help raise hearing health awareness and put venue managers on notice about excessive noise. To learn more, click here.
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Rare Nature Sounds Exhibit in Salem, MA
Posted: December 8, 2021
We’re excited to share news of a marvelous audio/visual installation by nature recordist Bernie Krause at the Peabody Essex Museum in Salem, MA. TheGreat Animal Orchestra: Bernie Krause and United Visual Artists is on display through May 22, 2022. Dr. Krause is one of the world’s leading nature sound recordists; some of you may recall his acclaimed luncheon lecture at a previous NHCA Annual Conference. This new installation is a culmination of his life’s work, and is now in the permanent collection of the Fondation Cartier Museum (Paris). Touring all over the world, the exhibit will not return to the US again until April 2023. To learn more: click here. |
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Hearing Research – Current Insights
Posted: December 8, 2021
 Korean researchers recently published an evaluation of studies on the effectiveness of Hearing Protection Devices (HPDs) according to three different outcomes: sound attenuation, sound localization, and speech perception. Seven electronic journal databases were used to search for published articles from 2000 to 2021. Based on inclusion criteria, 20 articles were chosen and then analyzed.
Kwak C and Han W (2021). The Effectiveness of Hearing Protection Devices: A Systematic Review and Meta-Analysis. Int J Environ Res Public Health. 2021 Nov 7;18(21):11693. doi: 10.3390/ijerph182111693.
- MIT and Massachusetts Eye and Ear researchers have reported that COVID-19 may be responsible for long-term hearing, tinnitus, and balance problems by damaging structures and functions in the inner ear. Results of a detailed study of ten COVID-19 patients with audiovestibular symptoms were published online in a recent Communications Medicine.
Jeong, M., Ocwieja, K.E., Han, D. et al. (2021). Direct SARS-CoV-2 infection of the human inner ear may underlie COVID-19-associated audiovestibular dysfunction. Commun Med 1, 44 (2021). doi.org/10.1038/s43856-021-00044-w
- Your cat is keeping an ear on you! For our feline fans, check out this new research suggesting your cat is likely using sound to keep track of where you are, even when they can’t see you. Results of this study suggest cats have mental representations about their out-of-sight owner linked to hearing the owner’s voice, indicating a previously unidentified socio-spatial cognitive ability.
Takagi S, Chijiiwa H, Arahori M, Saito A, Fujita K, Kuroshima H (2021). Socio-spatial cognition in cats: Mentally mapping owner’s location from voice. PLoS ONE 16(11): e0257611. doi.org/10.1371 |
Sound Postcard
Posted: December 8, 2021
If you can’t make the trip to Massachusetts this year to visit Bernie Krause’s nature sound exhibit, try visiting his website, Wild Sanctuary. Dr. Krause has traveled the globe to record, archive, research, and express the voice of the natural world - its soundscape. To listen to audio recordings, read about soundscape ecology, or enjoy a 15-minute TED Talk, click here.
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