How to Gradually Reduce Employee Noise Exposure
Industrial plants are most often loud and dynamic work environments. Noise fields are complex with varying levels of noise produced by many different pieces of equipment, and employees spend varying amounts of time near the different noise sources. Sound levels are even impacted by the building, with taller spaces generally quieter than single story spaces, sound absorbing room finishes sucking up some of the noise, and partitions blocking sound. Measuring worker noise exposure is simple. (more)
How Churches Use Multiple Screens in Worship
My last blog discussed using a large video screen as the backdrop for your church stage. We discussed the benefits of using that type of technology. Today, we’ll move beyond the single screen. There are several reasons why we we would consider using multiple screens to decorate the auditorium of a church. This blog features photos from my time on staff at Northridge Church in Plymouth, Michigan. (more)
Acoustics from the Ancient Amphitheatre to the Modern Arena
In the days of the ancient Romans, crowds would gather by the thousands in the amphitheater to see a wide range of events: public ceremonies honoring brave soldiers, performances of dramatic presentations, or the gruesome games of the gladiators. Although the events were a visual extravaganza, the amphitheater and coliseum were also designed acoustically to allow the entire audience to hear. Fast forward two thousand years, and we still gather in large groups to see college graduations, rock concerts, sporting events, and more. Two of the primary senses that are titillating to the large masses still remain the same: visual and aural stimulation. (more)
Noise Isolation for Hospital Mechanical Rooms
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 expend half of our effort on attenuating building mechanical systems noise. In order to avoid the need for extensive noise and vibration isolating constructions, project designers and engineers should pay careful attention to mechanical room sizes and locations during schematic design. Here are some issues to address early on… (more)
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