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Two Old Soft-Material Earmold Tricks

When I first started in this field there were two types of earmold materials that were in common usage: Lucite and Polyvinyl chloride, or PVC; Lucite being “hard” and PVC being “soft.” Since the mid-1990s, PVC earmolds such as Formaseal and Protint have given way to various forms of silicon-based materials.

LRADs, Trumpets, and Loudspeakers

LRADs are loudspeaker systems on steroids and are easily capable of generating outputs on the order of 120 dBA at 10 meters. Although we don’t have very good models for noise exposure over 115 dBA, we do know that levels of 120 dBA (with peaks being up to 15 dB higher) can create acoustic trauma.

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The Musicians’ Clinics of Canada Launches New Website

MusiciansClinics.com is a resource for those seeking information on a variety of topics related to hearing and hearing loss in musicians. Developed by audiologist-musician Marshall Chasin, AuD, the website offers a large range of resources for guitarists, bass players, violinists, woodwind players, school band teachers, and more.

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Toward Standardization of Basic Tinnitus Services by Audiologists

Audiologists should at least offer assessment of tinnitus patients and provide basic intervention for tinnitus through hearing aids and other devices, the provision of accurate tinnitus-care information, and/or referrals to other providers for tinnitus-related services. Here’s an easy-to-understand protocol for patients with tinnitus from Dr James Henry and colleagues.

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Asymptotic Hearing Loss: When Is a Metaphor Just a Metaphor?

Like all healthcare fields where the clinician needs to explain complex concepts to the lay public, metaphors are used. In the optical field, “nearsighted” and “farsighted” are actually good metaphors despite their simplicity and academic inaccuracy. In the field of audiology, we have the description of the audiogram with the piano keyboard across the top; a good explanation, but limited in that it’s only the right hand side of the keyboard and musical notes are not pure-tones.

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