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Noise Measurement

A friend of mine recently went to an eye appointment at a doctor’s office where outpatient surgeries are performed. The floor was noticeably shaking as a result of vibration energy from the air handling unit directly above the office. He asked the doctors if they have problems with sensitive medical instrumentation, such as data that […]

“Wow, you guys are expensive”. I’ve heard this once or twice so far in my career. Interestingly, I hear it the most from industrial and manufacturing clients where employee noise exposure is a major issue in their operations. It’s true, the consulting fee can be a little overwhelming at first, however, if you step back […]

The LEED® green building certification program gives out points for naturally ventilating buildings, and it also gives out points for acoustics – especially for low levels of background noise levels. As the industry is finding out, naturally ventilated buildings create more opportunities for buildings to be penetrated by exterior noises, thus creating unintended loud background […]

Several weeks ago, a client invited me to a rehearsal in their highly reverberant space that ABD was hired to test and correct. I declined, as I already had plans to attend a play that evening at a different facility, and joked that during the performance I’d also be listening to sirens from the main […]

The 2010 FGI Guidelines for Design and Construction of Health Care Facilities was published in January and adopted as building code by many states. How will you deal with the new noise, privacy, and acoustical requirements for healthcare facilities? Join us at SoundHealthcare 2010, a Health Care Acoustics Seminar, and find out what you must […]

January 2010 held a highly anticipated milestone for acoustical consultants. The definitive guide called 2010 FGI/ASHE Guidelines for Design and Construction of Health Care Facilities has a greatly expanded acoustics section in this year’s edition. How will you deal with the new noise, privacy, and acoustical requirements for healthcare facilities? Join us at SoundHealthcare 2010, […]

So what in the world are anechoic chambers? In short, they are the consultant’s and manufacturer’s best friend when it comes to acoustics. Anechoic chambers are primarily used for a variety of acoustical measurements that determine just how much noise a product is making. These chambers are most notable for their strange appearance… their foam […]

Hospitals and Healthcare Facilities have requirements for large volumes of ventilation and strict control of airflow, and the greater the airflow, the greater the potential for noise. Building mechanical services equipment, fans, pumps, cooling, and heating equipment are all sources of high noise levels. When Acoustics By Design works on a new hospital, we typically […]

The 2010 FGI Guidelines for Design and Construction of Health Care Facilities was published in January and adopted as building code by many states. How will you deal with the new noise, privacy, and acoustical requirements for healthcare facilities? Join us at SoundHealthcare 2010, a Health Care Acoustics Training Seminar, and find out what you […]

On a recent trip to Chicago, my wife and I were thankful for all the new traffic lanes recently completed. I can remember when the trip back home to my folks took an extra couple of hours if I got stuck in all the traffic. But thankfully, with the new highway renovations, we’ve actually had […]

Who Can See the Wind? (by Christina Georgina Rossetti) Who can see the wind? Neither you nor I But when the leaves are trembling The wind is passing by! Who can see the wind? Neither I nor you But when the trees are bending low The wind is passing through! As this children’s poem points […]

For today’s topic, let’s think of driving our car with the wind rushing by, when all of a sudden our attention is drawn by that annoying squeak coming from the dashboard. The changing of the squeak with time was the topic of a recent blog, but this time we’ll examine its tonal nature. Acoustics By […]

For years, the healthcare industry has used patient satisfaction surveys to gauge hospital performance and to identify ways for improving the healing environment. And the industry’s standard surveyor, Press Ganey Satisfaction Surveys, has always shown the number one patient complaint to be “noise in or around the room.” As acoustical consultants, we know that noise […]

Fundamentally, sound is “that which we hear”. What we hear at any given time can greatly influence us. We use sound to communicate, to express warning, fear, pleasure and excitement. Some sounds can relax us and help us fall asleep, while other sounds can distract us and make it more difficult to perform simple tasks. […]

At Acoustics By Design we talk a lot about standards.  Sometimes, the standards are hidden behind terms like design goals, baseline design, or even ordinances and specifications… But they are all standards. The reality is almost all aspects of our lives are governed by standards; regardless of how well they work or how well we […]

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 result in our needing to address a myriad of acoustic and vibration issues. Many student centers and student unions face a […]

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 through ear buds. We brought […]

It’s time for another semester, and I tell my architecture students that if there’s one thing they learn in my acoustics class, it’s that porous absorbers do not block sound.  A porous sound absorber, by definition, has many tiny interconnected voids that sound travels through.  Fiberglass and open cell foam are examples.  The sound wave […]

Are you planning to open a veterinary hospital? A doggy daycare? A kennel? A private dog park? If so, then make sure that you consider the noise issues ahead of time (i.e., the barking)! Although these types of projects only account for a small portion of our work at Acoustics By Design, we end up […]

It seems like everyone is talking about decibels these days: “5 dB of this” and “3 dB of that.” As acoustical consultants, we hear people using these metrics and often wonder to ourselves, “Do they really know what a decibel is?” Occasionally, someone is brave enough to ask the more important question, “Just how much […]

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