View Tag: ‘Chasin’
Volume 9
Congratulations on Your Retirement, Alberto Behar!
Alberto Behar has been a long-time columnist with CanadianAudiologist, and the Canadian Hearing Report before that with Noisy Notes. Now that he is over 90, he has decided to slow down a bit, and his last column appeared in issue #1, Vol. 9 of CanadianAudiologist.ca. Thank you Alberto!
Book Review
Audiological Research Over Six DecadesJames Jerger, PhDPlural Publishing, Inc.ISBN # 978-1-63550-370-8 Reviewed by Marshall Chasin, AuD I must admit to being a voyeur… or at least a historical voyeur. Audiological Research Over Six Decades provides us with a historical glimpse into how the research was performed, and its evolution, and in some cases, its return…
Volume 8
How I Became Unethical
James Curran looks back at a time when, if an audiologist dispensed (sold) a hearing aid, it was considered unethical behavior by the American Speech and Hearing Association (ASHA) and resulted in membership expulsion and loss of professional certification.
Brainvolts and Nina Kraus
Even though this is an interview about
Brainvolts
it’s difficult to separate Nina Kraus from Brainvolts.
Volume 6
Dr. Dick Salvi – “The Man Who Liked Salicylate”
In celebration of his life’s work, friends and colleagues share their thoughts on the outstanding career of Dr. Richard Salvi.
A Cold-Weather Experiment
Our intrepid explorer Marshall Chasin travels to more to than 200 miles north of the Arctic Circle and experimented with the effect of the lower speed of sound in the Arctic.
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.