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sounding off

blog of acoustics, noise, vibration & audio-visual systems

Absorbing Vs. Blocking Sound

Administrator | Auditorium | January 29th, 2009 | 1 Comment

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 loses its energy through friction between the air particles and the fibers/void walls of the material it is passing through. (more)

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Doggy Daycare Noise Control – Acoustic Roadblocks

Administrator | Outdoor | January 22nd, 2009 | 10 Comments

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 assisting with noise control for at least a couple of these animal facilities every year. And when it comes to building the perfect doggy daycare or kennel, there is always a common list of acoustic roadblocks. (more)

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Greenwashing Solution

Tom Thelen | Sustainable | January 15th, 2009 | Leave A Comment

As long as you haven’t been living in a cave this past year, you’ve probably noticed that America’s new favorite color is green. Even the “big, scary corporations,” like Walmart and McDonalds, have re-worked their ad campaigns to reflect a more-green, environmentally friendly corporate image. Seemingly everyone is going green. The term “greenwashing” has come to describe businesses that project a green corporate image (through ad campaigns, marketing, and so on) but take little action to reduce their own carbon footprint or energy consumption. They are “green” in name only. At the same time, some organizations are embracing a new paradigm of green business practices and sustainability. So, who’s really “green” and who’s just “greenwashing?” (more)

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4 Basic Concepts for Corporate Board Room Video Conferencing Systems

Tim Hamilton | Corporate | January 8th, 2009 | Leave A Comment

It’s January, and that means new budgets for companies that operate on the calendar year. If this year is anything like the last, it means we will be receiving calls from companies inquiring about corporate board room video conferencing systems. As AV Consultants, one of the most common questions we get asked is, “What do other companies have for AV equipment in their Boardrooms?” And the follow up question is always, “Should we be looking at a video conferencing solution?” It seems, in the business world, everyone is concerned that if their technology is behind the curve, then they won’t be as competitive. And we are all concerned about how these new technologies affect our bottom line. But believe it or not, video conferencing may be a viable and cost-saving solution for almost any company that seeks to enhance its communications. (more)

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