Acoustic

Acoustic

New Study Evaluates How Different Face Masks Affect the Acoustics of Speech

A new study published in The Journal of the Acoustical Society of America examined how the different types of face masks affect the acoustics of speech.

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The Sound of the End Marks a New Beginning

A ghost corners and gets Pac-man. Mario, Luigi, or Princess Peach crash the kart against a barrier. A zombie punches you in one of the tunnels of Area 51. All of these events mark a major “end” in a classic arcade game and have memorable sound effects that have become indelible in our brains. 

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Taking a Leaf Out of Morland’s Book

The megaphone—first seen in historical artifacts from Ancient Greece and in Native-American artistic depictions of a chief, is a tool used even today to equalize the proverbial sound field. Samuel Morland and Athanasius Kircher are credited to have independently “invented” the modern acoustic version of this useful device around the seventeenth century 1

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Female audiologist testing young boy hearing while he is playing with blocks (Microgen/Shutterstock.com)

Behavioral Techniques in Pediatric Audiology

The standard behavioral procedures used to assess the hearing of very young children are powerful tools. Yet, even in the hands of a skilled clinician, they are nearly worthless unless the child is ready to be tested. Thus, it is helpful—indeed necessary—to draw on techniques that get the child to do what we want the child to do.

Topic(s): Psychology, Professional Development, immittance, otoacoustic emissions (OAEs), tympanometry, Audiometric Test, Acoustic, auditory brainstem response (ABR)

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Publication Issue: Audiology Today January/February 2020

Compilation of Articles on Noise, Environment, and Society

The current version of Acoustics Today presents a nice compendium of articles on various aspects of the interaction between environmental noise, the human contribution, the effect on other species, and possible long-term effects.

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Illustration of 2 people hand shaking with introduction

Get to Know a New Class of Audiologists

It is estimated that two to three of every 1,000 children in the United States are born with some degree of hearing loss and that more will acquire hearing loss later in childhood, according to the National Institutes of Health. The passage of the Newborn and Infant Hearing Screening Act of 1999 and the adoption of universal newborn hearing screenings in many states, in conjunction with early-intervention services, changed lives and outcomes for many children.

Topic(s): Students, Hearing Loss, Bilateral Hearing Loss, Hearing Aids, mastoidectomy, Acoustic, Psychology, cochlear phone clip, cochlear mini-microphone, Academia, Education

JAAA Latest Fast Track Articles—July 5, 2019

As the JAAA editors along with our editorial team, we are proud to announce new Fast Track content for JAAA, as of July 5, 2019. We are working diligently to publish ahead of print. We strive for a two-month turnaround on articles from acceptance to digital publication. Plan to see more of these announcements about content updates each month.

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Laurel or Yanni?

Several years ago, the Internet went crazy over the color of a dress due to a visual illusion.  This week, an auditory illusion had many people asking the simple question of whether they heard 

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Noisy Eating

“Did you just call me a dork?” The evening is over before you can explain that you were just asking for the fork. Increasingly, such is the fate of many a dinner meeting, social or professional. Those seeking good eats are also finding good and loud beats. While no one can deny the importance of ambiance, the hair cells and the cognitive centers having to work extra hard to carry on a conversation while enjoying a meal are beginning to complain. A visit to any of the modern eateries makes clear that the decor of our times does not naturally lead itself to good acoustics.

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The World’s Most Powerful Pair of Glasses—Part 2 of 3

We asked if you had been to seen the movie Finding Dory last week. Our specific interest was the marvelous capability of Bailey the beluga to use sound to locate objects. This bio sonar capability in toothed whales and dolphins has evolved to be so sophisticated that dolphins can detect a steel plate 1 square inch in size 100 meters away. After extolling the virtues of the use of bio sonar in these animals we left the readers with a puzzle.

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