Microphone device, microphone unit, microphone structure, and electronic equipment using these

摘要

A microphone unit which can suppress collection of wind noise and minimize or eliminate digital signal processing has at least a microphone, a first acoustic transmissive material, and a second acoustic transmissive material, the first acoustic transmissive material is a fiber material in which fibers are intertwined with each other, the second acoustic transmissive material is a mesh-like member or a porous member having a plurality of holes, and the microphone is configured to be protected by the first acoustic transmissive material and the second acoustic transmissive material in this order.

主权项

1. A microphone device comprising:
a housing having a microphone installation chamber opening outward; a microphone stored in the microphone installation chamber; a cover member having a plurality of through holes and covering the microphone installation chamber; and an acoustic transmission member partitioning the microphone installation chamber into a first space on the cover member side and a second space on the microphone side and, at the same time, transmitting an acoustic component, wherein the acoustic transmission member includes a fiber material obtained by intertwining raw materials, configured to contain fiber, with each other and air permeability of the fiber material is less than 0.5 s/100 cm3, and wherein the fiber material is sintered or is bonded together by thermal fusion bonding.