Sound inspection apparatus and sound inspection method
Number of patents in Portfolio can not be more than 2000
United States of America
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Dec 10, 2024
Grant Date -
Aug 24, 2023
app pub date -
Aug 31, 2022
filing date -
Aug 31, 2022
priority date (Note) -
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Abstract
A sound inspection apparatus that includes at least three microphones, a removing unit, and an estimation unit. The removing unit calculates an impulse response based on a sound pressure of a radiation sound collected via a reference microphone and a first microphone, calculates an impulse response based on the sound pressure of the radiation sound collected via the reference microphone and a second microphone, and removes a component corresponding to the vibration sound from the calculated impulse response. The intensity calculation unit calculates an intensity of the radiation sound based on the impulse response from which the vibration sound is removed, and the estimation unit estimates, based on the calculated intensity, a site where an abnormality in the inspection target object has occurred.
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