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sounding off

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

Psychoacoustics: Annoyance from Tonal vs. Broadband Sounds

Mandy Kachur | Mixed Use | November 25th, 2009 | Leave A Comment

Psychoacoustics Consultant Tonal Sounds Broadband SoundsFor 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. (more)

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The Leaky Bucket | How Sound Escapes

Mandy Kachur | Mixed Use | May 14th, 2009 | Leave A Comment

Blocking sound is often analogized to plugging the holes in a leaky bucket. If you plug up all the bucket holes except one, the bucket is still going to drain. In acoustics, an outstanding partition design will not adequately block sound if holes and weak spots exist where sound can find its way through. (more)

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Noise Isolation for Mixed-Use Developments

Nate Sevener | Mixed Use | November 20th, 2008 | Leave A Comment

In the world of architecture, we frequently hear the term “mixed-use development,” and our firm is increasingly called upon to provide mixed-use development acoustical consulting. The term “mixed-use” generally refers to a development that incorporates residential and commercial space in a close-knit fashion. Mixed-use developments have been constructed for centuries, often taking the form of residential space above retail space – such as the shopkeeper living above the shop. As industrialization increased, mixed-use fell out of favor, and segregated land-use became popular. But late in the past century, mixed-use developments resurfaced, often with the intent of revitalizing urban areas and creating walk-able communities – as opposed to communities where a person must drive a car or take some form of public transportation to perform their daily routine. (more)

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