Articles
How Active Noise Cancellation Headphones Really Work
A while ago I blogged on the topic of active noise cancellation in general, and how it is often (falsely) perceived as a panacea for getting…
February 12, 2020
Articles
Articles
The Quiet Snow: Does Snow Reduce Noise?
Have you noticed that it’s really quiet after it snows? There is a time between snowfall and when the snowplows and snowblowers startup when there is…
December 18, 2019
News
Sound Diffraction Prediction of a Rectangular Rigid Plate Using the Physical Theory of Diffraction
ABSTRACTFor the purpose of numerical efficiency in room acoustic modeling, the physical theory of diffraction (PTD) is applied to approximate solutions of a finite-sized, rigid rectangular…
The Journal of the Acoustical Society of America
June 21, 2019
Articles
Pop Science: The Acoustics of Bubbles
One of my favorite sounds is the fizz of a fountain soda. You can see the bubbles dance around the glass and jump up into the…
May 15, 2019
Articles
Making Some Noise: We’re Questioning Those World Record Stadium Sound Levels
For the second year in a row, the NFL Super Bowl splits the Acentech offices. As we all know, the next championship will pit the New…
January 31, 2019
Articles
It’s Not Your Room, It’s My Music
One of my most pleasant surprises of 2018 came after submitting an original piece of music to the Allentown Symphony Orchestra’s “Pictures at an Exhibition” contest,…
December 5, 2018
Articles
When a Tree Falls in the Forest…Does it Make NOISE? The Commonwealth Noise Regulation
When a tree falls in the woods and there is no one there to hear it, does it make a sound? Well, yes and no, but…
November 14, 2018
Articles
Sound Readings in the Real World: So How Loud was the Red Sox Parade?
You may wonder why those of us in acoustics use decibels (dB). It’s actually much more than a calculation just used by acoustics folks: researchers in…
November 8, 2018
Articles
Active Noise Control to the Rescue?
As product sound engineers, we field a lot of questions—which is definitely understandable. It is a highly specialized focus that can make the difference between success…
October 30, 2018
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