Abstract: An acoustic sound absorptive panel or block is provided that is made from a plurality of materials and volumes selected such that each discrete volume of material has a sufficiently different sound absorption profile, resulting in a system that provides better overall sound absorption of traffic noise from motorways and railways in a practical and cost-efficient manner.
Type:
Grant
Filed:
October 3, 2018
Date of Patent:
January 11, 2022
Assignee:
Nexcem Inc.
Inventors:
Vipul Vipinchandra Acharya, John Paul deGraauw