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Method for diagnosing digital mems microphone abnormality and apparatus therefor
Patent published on the 2025-03-06 in WO under Ref WO2025048385 by SM INSTR INC [KR] (Kim Young Key [kr], Kim In Kwon [kr], Lee Kwang Hyun [kr], Jung Ook Jin [kr], Kim Yong Hyeon [kr])
Abstract: A method according to an embodiment of the present invention is for diagnosing a digital MEMS microphone abnormality and is performed by an acoustic device including a plurality of digital MEMS microphones, the method comprising the steps of: collecting time-series output decibel data for the respective array positions of each of a plurality of digital MEMS microphone arrays provided in the acoustic device when a pure sound of a preset first frequency is reproduced by a speaker in close contact [...]
Our summary: Method for diagnosing digital MEMS microphone abnormality using time-series output decibel data, evaluating abnormality with standard deviation, and outputting diagnosis result.
diagnosing, digital MEMS microphone, abnormality, apparatus
Patent
