Audio systems, devices, and methods
OwnerDean Robert Gary Anderson, Dean Anderson +1inventors
InventorsDean Robert Gary Anderson, Dean Anderson, Daniel Joseph Anderson
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Abstract
In one embodiment of an audio system, a transducer can be coupled to a passive acoustic directional amplifier to provide various benefits and improvements, including improvements to: speech intelligibility, signal-to-noise ratio, effective equivalent input noise, at-a-distance acoustic signal reception, and directional preference. In another embodiment, the shape of an interior surface of a passive acoustic directional amplifier is provided. In another embodiment, the material properties of an interior surface of a passive acoustic directional amplifier are provided.
Claims12
An audio system, comprising:
- a three-dimensional structure comprising a material having a Young's modulus less than or equal to 0.5 GPa, wherein the three-dimensional structure has a concave interior surface forming a cavity, wherein the cavity has an opening and a vertex point located opposite the opening;
- a MEMS microphone located within the cavity, wherein a port hole of the MEMS microphone is located within 10 millimeters of the vertex.
Dependencies are inferred from the claim text.