sound attenuation


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sound attenuation

[′sau̇nd ə‚ten·yə‚wā·shən]
(acoustics)
Diminution of the intensity of sound energy propagating in a medium; caused by absorption, spreading, and scattering.

sound attenuation

The reduction in the intensity or in the sound pressure level of sound which is transmitted from one point to another. Also see sound insulation.
References in periodicals archive ?
In addition to the intrinsic components of sound attenuation [[alpha].
The aim was to test the capability of the numerical model to correctly predict the effect of physical properties of lining material on sound attenuation.
It follows from the data listed that main contribution to the sound attenuation caused by rotational isomeric relaxation comes from reaction 5.
In specialty applications, where sound attenuation with minimal change in frequency distortion is necessary, custom molded earplugs may be required.
A wide variety of foam materials has been developed that are said to effectively and reliably serve many different functions, including sealing, temperature insulation, sound attenuation, vibration damping and shock absorption.
With the demand for sound attenuation becoming more common, especially in the public works market, Thompson's engineers developed not only a fully modular, removable sound attenuated canopy, but designed a pump that delivers high performance and rugged durability.
Includes cost of controllable pitch vane axial supply and exhaust fans with sound attenuation.
Determines: Rotor design, horsepower, sound attenuation, and means of regrind removal.
To select the best one, you should understand some of the theory behind sound attenuation.