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.

Je n’ai Jamais pensé Que J’avais un problem d’audition… Ça N’a même Jamais traversé mon esprit

Marshall Chasin

par Connor Quinn reprinted Courtesy La Vie Aud Gordie Howe est un membre du Temple de la renommée du hockey ainsi qu’ue membre de l’Ordre du Canada et a remporté la Coupe Stanley à quatre reprises. Il a parlé récemment avec Connor Quinn, de La vie auditive, au sujet de la santé auditive et au sujet de sa carrière en

The third of many technical innovations- part 5 of 7

Marshall Chasin

Analog compression before the A/D and digital expansion afterwards: The ducking-under-the-bridge metaphor discussed in part 1 of this blog series is apropos for this blog entry. For those who may not remember the first blog entry in this series, either go to that blog entry or go here. I know ReSound uses this approach, and other hearing aid manufacturers may as

The second of many technical innovations- part 4 or 7

Marshall Chasin

The -6 dB/octave microphone for music: This post is the latest in a series about the ways that the hearing aid industry has responded to improve the quality of music for hard-of-hearing people. And like the other methods, this one has the desirable side effect of improving the quality of the hard-of-hearing person’s own voice. The previous entries in this series

The first of many technical innovations- part 3 of 7

Marshall Chasin

Live Music Plus from Bernafon and the Dream/Unique circuits from Widex: As discussed in part 1 of this blog series, there is a “front end” problem with digital hearing aids that limits their usefulness with the higher sound level inputs that are characteristic of music. In part 2, some clinical strategies were discussed to improve a hearing aid for music-

Music and Hearing Aids: Some Clinical Strategies – Part 2 of 7

Marshall Chasin

Last week, in the first of a seven-part series, the problems associated with listening to and playing music with many modern digital hearing aids were discussed. This week’s post discusses some clinical strategies that can improve a hearing aid’s usability with music. It is a common clinical complaint that a person loves their hearing aids for speech (especially in quiet),

La technologie aide les personnes malentendantes à rester

Marshall Chasin

La technologie aide les personnes malentendantes à rester « BouClées » https://www.cbc.ca/news/credit.html” CBC News (reproduit avec permission) Les défenseurs des droits des personnes malentendantes espèrent qu’une technologie qui diminue radicalement le bruit de fond pour les personnes malentendantes trouvera sa place dans les lieux publics partout au Canada. La technologie, appelée « boucle auditive » (hearing loop), est un cable

Music and Hearing Aids: The problem – Part 1 of 7

Marshall Chasin

This is the first of a seven-part blog series about music and hearing aids. Part 1 of this series defines the problem. This is not a new topic and has been covered at least a dozen times over the last several years in this blog. Part 2 in this series describes some clinical strategies that can be used while the

The Final Element- a single channel hearing aid

Marshall Chasin

This may sound like the title of a science fiction novel or a movie with Bruce Willis (or was that the “Fifth Element”?), but this is all about that one last piece of the puzzle to optimize a hearing aid for music. The last several years have seen a remarkable improvement in a hearing aid’s ability to handle the higher

Three Myths about Programming Hearing Aids for Music

Marshall Chasin

Most of our training regarding hearing aids for hard-of-hearing people is based on the characteristics of speech. This makes sense because most of our clients are primarily concerned with hearing speech in quiet, and in noise. But what about those people who need amplification to help them play music, or clients who just want to be able to listen to music

How to test for music-induced distortion in your favorite MP3 player earphone

Marshall Chasin

From time to time, we would like to glean some additional information about a hearing aid or a consumer product such as an earphone for an MP3 player that is not on the specification sheet. Usually we just call up an engineer-friend in the back office and that’s the end of it. Or perhaps a special test needs to be