by ABD Engineering and Design | Noise and Vibration
On a recent trip to India, I discovered a cute clothing sizing term called "free size" which is equivalent to "one size fits all". Free size clothing must be a manufacturer's delight since production and distribution are greatly simplified. Adjustments to the size of...
by ABD Engineering and Design | Acoustics
At Acoustics By Design, we regularly consult on the design of College and University buildings including classroom buildings, dormitories, athletic facilities, performing arts buildings, libraries, research buildings, and student centers. These numerous building types...
by ABD Engineering and Design | Noise and Vibration
It is common belief that a series of elbows near an air handling unit (AHU) can accomplish the same insertion loss as a manufactured duct sound attenuator. It's true that elbows are less expensive than sound attenuators, but what acoustical performance is really...
by ABD Engineering and Design | Noise and Vibration
Our company president, Kenric Van Wyk, was recently featured in a Wood TV 8 interview as an expert on noise levels. The local NBC affiliate was covering a story on a teenager who had been killed by a train after walking down the tracks while listing to an MP3 player...
by ABD Engineering and Design | Noise and Vibration
Over the years as an acoustical consultant I've seen a lot of architectural firms locate rooftop air handling units over or near acoustically sensitive spaces; then they put up resistance to doing the necessary extensive noise controls that are needed for such a...
