MICROPHONE DEVICE AND ELECTRONIC APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a microphone device which can detect voice output from a sound source located on the main surface side of an electronic apparatus accurately while removing noise.SOLUTION: An MEMS microphone 110 (microphone device) includes a differential vibration part 14 which detects a sound wave based on the difference of sound pressure arriving through a first sound hole 201 and a second sound hole 202, respectively. The first sound hole 201 and second sound hole 202 are provided to extend toward the side face 22 intersecting the main surface 21 of a cellular phone 100 internally mounting the differential vibration part 14. One end 201a of the first sound hole 201 and one end 202a of the second sound hole 202 are arranged so that the vertical distances from the main surface 21 of a cellular phone 100 are different from each other.