公开(公告)号：US12207061B2

公开(公告)日：2025-01-21

申请号：US17929024

申请日：2020-12-16

Applicant: GOERTEK INC.

Inventor： Dingyun Li ,  Kang An ,  Jie Wu ,  Kaifa Shu ,  Zheng Yang ,  Zongxia Zhu ,  Feifei Han

IPC: H04R29/00 ,  B81B3/00 ,  H04R1/08 ,  H04R3/04 ,  H04R23/00

Abstract: A signal processing method and device of a MEMS microphone and a MEMS microphone are disclosed. The method comprises: acquiring a first electrical signal obtained by converting a received optical signal by an optical sensor disposed near a sound hole of the MEMS microphone; acquiring a second electrical signal output by the MEMS microphone; and judging that the second electrical signal is an interference signal when within a substantially overlapping time range, the first electrical signal acquired reaches a preset first threshold value and the second electrical signal acquired meets a preset condition.