Marshall Chasin

Marshall Chasin, AuD, is an audiologist and the Director of Auditory Research at the Musicians’ Clinics of Canada, Adjunct Professor at the University of Toronto (in Linguistics), Associate Professor in the School of Communication Disorders and Sciences at the Western University. He is the author of over 200 articles and 7 books including Musicians and the Prevention of Hearing Loss. Dr. Chasin has been the recipient of many awards over the years including the 2012 Queen Elizabeth II Silver Jubilee Award for service to Canada and the Canada 150 Medal in 2017. He has developed a new TTS app called Temporary Hearing Loss Test app.
Dec. 01, 2015

A new reference test gain standard for music? Part 1

Marshall Chasin
Audiologists are quite aware of the ANSI standard S3.22 (and the equivalent IEC European standard) which specifies how to report whether a hearing aid works or doesn’t work.  This is not a performance standard that states that a hearing aid should work in a specific way; but just a reporting standard on how to perform each test and then make conclusions
Nov. 24, 2015

Musicians are not good listeners – or maybe it’s us?

Marshall Chasin
Hearing loss prevention is just that – hearing loss prevention. What can be done today to ensure that 30 years from now you will still be able to hear, at least relatively well? We can tell a musician that they should turn down the volume, but they won’t listen to us – they are just not good listeners.  Actually, it’s
Nov. 17, 2015

Sand Dunes are Tuned to E Below Middle C

Marshall Chasin
As clinical audiologists I am sure that we have all had similar training around the world.  Like most, and certainly in my program of study, we were dropped off in the nearest desert with a single bottle of water, a hat, and of course a series of geophones and radar equipment.  A geophone is a microphone that picks up vibrations
Nov. 10, 2015

AAMHL.org is now MusiciansWithHearingLoss.org

Marshall Chasin
The Association of Adult Musicians with Hearing Loss (www.AAMHL.org) has a new website … https://www.musicianswithhearingloss.org. I have written about this association in the past, but with this new website (and new name), I thought it would be time to remind everyone about some of the delightful volunteers associated with this group. It is almost a given that people with hearing loss
Nov. 03, 2015

Musicians’ earplugs have flat attenuation

Marshall Chasin
Mead Killion and Andy J. Haapapuro, in the November 2015 issue of Hearing Review have finally put to bed the controversy of whether Musicians’Earplugs have a flat or uniform attenuation. There have been some publications over the past several years that have questioned the flatness of commercially available musicians’ earplugs.  These publications have contained rather significant errors; some of which
Nov. 03, 2015

Le Groupe « de tous les choix »

Marshall Chasin
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Oct. 27, 2015

Does hearing continue to decline when away from noise?

Marshall Chasin
From time to time, certain articles come across my desk that make me sit up (typically spilling my coffee in the process) and reread it to make sure that what I thought I was reading, was indeed the case. Well, this happened to me about 15 years ago (and many times since, but I didn’t always spill my coffee). There
Oct. 20, 2015

NIHL- Age Corrections – Part 3

Marshall Chasin
In many state or provincial worker’s compensation boards there is a “correction factor” that may be applied to a calculated noise induced hearing loss. In many cases, this is a “presbycusic” correction and may amount to subtracting 0.5 dB off of the calculated average hearing loss for each year over the age of 60. On the surface, this appears to
Oct. 13, 2015

NIHL-Shape of the audiogram- part 2

Marshall Chasin
The “shape” or configuration of the sensori-neural hearing loss, at least in worker’s compensation board claims for noise exposure, is one of the base elements for deciding whether a hearing loss is indeed a noise induced hearing loss.  Yet, not all audiograms of workers exposed to high levels of noise (or music) have a “notched” audiogram with the greatest hearing
Oct. 06, 2015

CART et VRI

Marshall Chasin
Traduction en temps réel des communications (CART) Apotek-Copenhagen.com Les services CART consistent à transcrire professionnellement, mot pour mot, un discours en texte en temps réel, afin d’offrir aux patients et aux membres du personnel sourds, malentendants et devenus sourds le plein accès au langage parlé. Les services CART de SCO peuvent être fournis sur place ou à distance. Les services