The eardrum is like a brick wall (but only for higher frequency sounds)

Marshall Chasin, Back to Basics (previously published in Hearing Review) Whenever I start to read about the impedance of structures, my eyes tend to glaze over. I understand that impedance is an important part of audiology and I certainly remember the formulae that we needed to learn in school which explains why stiffness and mass…

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Live Music vs. Recorded Music

By Marshall Chasin, AuD  The following post was first published in Back to Basics in The Hearing Review and appears here by permission of that publication. Some municipal jurisdictions are considering allowing only recorded music to be played in outdoor restaurant facilities.  Live music would be banned, as it may contribute to municipal noise pollution. Presumably the…

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Symmetrical vs Asymmetrical Hearing Losses

By Marshall Chasin, AuD. This post was originally published in Hearing Review and appears here by permission. I can’t tell you how often I have had the following conversation with someone at the Worker’s Compensation Board (also known as the Worker’s Safety and Insurance Board, in some jurisdictions) on behalf of a worker. Marshall: “Hello.…

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