NOISE SCREEN

摘要

FIELD: construction.;SUBSTANCE: invention relates to building acoustics and can be used to reduce the level of noise generated by equipment and vehicles. Noise screen consists of three adjacent, located under 90° to each other plates that form the main solid angle. Top of the corner is facing away from the sound source. Inside the solid angle there are “n” additional solid angles adjoining the main solid angle, with “n” at least equal to one.;EFFECT: technical result consists in increasing the effectiveness of the noise shield.;1 cl, 2 dwg