CPC G10K 11/162 (2013.01) [G10K 11/08 (2013.01)] | 20 Claims |
1. An acoustic metamaterial device, comprising:
fins,
wherein a material for each fin is denser than air to facilitate anisotropic properties of the acoustic metamaterial device,
wherein at least a length dimension and a width dimension for each fin are substantially perpendicular to a direction of sound wave propagation from a sound source, and
wherein each fin along the width dimension and length dimension is sized differently from other fins.
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