View Tag: ‘Chasin’

Volume 5

Smartphones and Microphones

Marshall looks at the pros and cons of the multitude of apps that can turn smartphones into sound-level meters, recording devices, playback devices, and to be coupled with external devices for hearing aids.

Going Beyond the Phoneme…to the Word and Beyond!

With apologies to Buzz Lightyear, Marshall’s column sees us, “Going Beyond the Phoneme…to the Word and Beyond!”

A Primer on Equivalent Volume, Impedance, and Couplers for Hearing Aids

So, next time you hear the word impedance, and your eyes start to glaze over, don’t panic! substitute “equivalent volume” and note that it is larger for lower frequencies and smaller for higher frequencies.

In-Ear Monitors Need to be Aimed at the Eardrum…True or False?

With some assistance from his cats, Marshall Chasin concludes that there are many over-the-ear earphones (that can be used as monitors as well) that provide a wonderfully flat and broad band response without having to aim at the eardrum.

Binaural Interference- A Guide for Audiologists

ISBN: 978-1-63550-076-9 List price: $69.95 URL: http://pluralpublishing.com/publication_biga.htm As the editor in chief of Canadian Audiologist it is my responsibility to select reviewers for new publications. Typically this can be like pulling teeth but for Binaural Interference- A Guide for Audiologists there was a deluge of volunteer reviewers. I first thought of playing King Solomon who…

To Use Google Translate or Not? That Is the Question.

Like many colleagues, Marshall Chasin explores the growing use of Google Translate (and similar programs, such as Babylon) as part of a clinical toolkit.

Volume 4

Hearing Aids and the 3 PM Crash

Many of Marshall Chasin’s patients comment that around 3 PM they hit the wall and need a nap and he wonders why this is rarely ever mentioned or discussed relative to the audiology clinic.

Frequency Compression is for Speech but Not Music

Frequency compression of any form can be quite useful to avoid dead regions in the cochlea for speech but this does not follow for music. Speech is speech and music is music.

Science Matters

In this issue’s Science Matters feature, Marshall Chasin and William Yost delve into the world of complex pitch with an interesting feature containing, an introduction, a letter to the editor, a “Back to Basics” column, and a very interesting discussion.

Book Review: Hearing Aids on Prescription, Herman G. Wallenfels, 1967, Charles C. Thomas Publisher.

Marshall fires up the Canadian Audiologist time machine one more time and gives us a book review about Herman G. Wallenfels 1967 book, “Hearing Aids on Prescription.”