Acoustic noise detection method and system using vibration sensor to detect acoustic noise
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United States of America Patent
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Issued Date -
May 19, 2022
app pub date -
Aug 18, 2021
filing date -
Aug 18, 2021
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Abstract
A vibration sensor senses vibrations generated by an object to generate a noise signal. A processor obtains a structure vibration level spectrum from the noise signal, uses equalization parameters and A_weighting parameters to adjust the structure vibration level spectrum to generate a sound pressure level spectrum, and uses the sound pressure level spectrum to calculate a noise value of the object.
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