COATING FOR IMPROVING LOUDSPEAKER SOUND QUALITY

摘要

Aspects of an acoustically active coating are disclosed. The coating is a highly porous coating having a thickness and comprising 2% to 30% by mass of a binder and 70% to 98% by mass of zeolite. The coating comprises an irregular matrix formed by a plurality of convex shapes connected by concave connectors and has a distribution of pore sizes. Other embodiments are described and claimed.