Sound transmission from gun ranges has become a growing concern as shooting sports increase in popularity and firing ranges are built in close proximity to retail areas and residential districts. Wave Engineering works with developers, architects, engineers, and city planners to evaluate potential noise concerns from shooting facilities...
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Many open office areas employ sound masking systems to create an even distribution of background noise that is just loud enough to help mask distracting noises (particularly from other conversations) without being loud enough to be a nuisance. The system typically consists of special loudspeakers mounted in or above the ceiling and a head-end unit that generates and shapes the noise. Another useful application of sound masking is to improve speech privacy...
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Do you select Sound Transmission Class ratings from the Gypsum Association Fire Resistance Design Manual? The GA manual contains a lot of good information on fire and sound ratings. The sound ratings, however, must be used carefully. Knowledgeable acoustic consultants do not rely on the GA manual Sound Transmission Class ratings, but use laboratory test reports (multiple reports when available). We may also supplement the lab test reports with field test...
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Vinyl flooring options have expanded in recent years to include finishes that mimic the appearance of tile and hardwood. These materials have become popular in multifamily condominium and rental apartment markets, and hospital and healthcare facilities (long term care, hospice, etc.) due to the attractive cost and low maintenance. As acoustical consultants, we evaluate flooring materials as they relate to sounds in the room...
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High Impact workouts – such as CrossFit and other high intensity Boot Camp style strength and conditioning programs – are gaining in popularity throughout the country. Neighborhood gyms, which were once quiet retreats where clients worked out independently on treadmills with their headphones on, are now social hubs overflowing with people, activity, and loud music. These modern gyms have become one of the biggest sources of noise complaints we see in retail and multifamily buildings...
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Wave Engineering explains the Sound Transmission Class STC rating.
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Sound leakage in walls can reduce the sound isolation and STC ratings of walls and floors.
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Impact noise is a common problem in condominiums. Wave Engineering evaluates the IIC ratings of floors and performs IIC testing.
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This video shows an acoustic tapping machine in action. Wave Engineering uses the tapping machine for ASTM 1007 IIC testing of floors.
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Wave Engineering shows ways to improve sound isolation of walls.
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Wave Engineering explains what an Impact Insulation Class rating is and how to improve IIC ratings of floors.
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