Rooftop unit sound control current construction trends towards curb mounting of packaged air conditioners with integrated dx cooling require more attention to vibration and noise control particularly in the downflow configuration preferred by many designers to eliminate ductwork outside the building envelope. Sound noise and vibration control lyle f yerges on amazoncom free shipping on qualifying offers a simple theoretical discussion of sound in the language of the non speclalist. Vibration can cause direct discomfort and also create secondary radiation of noise from vibrating walls floors piping etc in this chapter sound and noise are used interchangeably although only unwanted sound is considered to be noise system analysis for noise control uses the source path receiver concept the source of the sound is the . We are a full service acoustical engineering firm specializing in all aspects of environmental noise and vibration measurement monitoring analysis and mitigation we offer practical noise and vibration control solutions using proprietary materials that have been designed to mitigate unwanted noise and vibration. Reduce noise levels control airborne noise and structure borne vibration within manufacturing facilities through the use of curtains barriers baffles and damping materials
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