Patent ID: 8590669

Claim:
A layered acoustical system for sound attenuation in a vehicle comprising: an external decorative layer; a moldable fiber backer having a first density and a first side of the moldable fiber backer being adhered to a back side of the external decorative layer, the moldable fiber backer further including a first engineered fiber blend including thermoplastic fibers; a moldable lofted sound absorber and vibration decoupling layer being made from a second engineered fiber blend including thermoplastic fibers, the moldable lofted sound absorber and vibration decoupling layer having a second density that is less than the first density of the moldable backer, a top side of the moldable lofted sound absorber and vibration decoupling layer being adhered to a second side of the moldable fiber backer; and an intermediate layer embedded in and adhered to a location within the moldable lofted sound absorber and vibration decoupling layer to achieve a balance point between transmission loss and sound absorption.