Sound absorbing devices and acoustic resonators decorated with fabric

Abstract

A sound absorbing device includes a chamber with an opening and at least one fabric layer extending across the opening. The at least one fabric layer extending across the opening is at least two fabric layers stacked relative to and in direct contact with each other, at least two fabric layers stacked relative to and spaced apart from each other by a predefined distance, at least one elastic fabric layer configured to vibrate independently from the chamber, or a three dimensional fabric layer. The at least two fabric layers stacked relative to and in direct contact with each other and the at least two fabric layers stacked relative to and spaced apart from each other by a predefined distance are configured to move relative to each other, and the at least one elastic fabric layer is configured to vibrate independently from the chamber.

Dependencies are inferred from the claim text.