Processing device and processing method
Number of patents in Portfolio can not be more than 2000
United States of America
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Nov 5, 2024
Grant Date -
Feb 9, 2023
app pub date -
Jul 7, 2022
filing date -
Jul 7, 2022
priority date (Note) -
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Abstract
A processing device according to this embodiment includes: a frequency characteristics acquisition unit configured to acquire frequency characteristics of an input signal; an extreme value extraction unit configured to extract an extreme value of spectral data; a kurtosis calculation unit configured to: calculate an evaluation value from spectral data; and calculate a kurtosis of a peak or a dip based on a plurality of evaluation values calculated by changing a calculation width, the evaluation value being used for evaluating the peak or the dip corresponding to the extreme value; a determination unit configured to determine whether to suppress the peak or the dip according to a comparison result between the kurtosis and a threshold value; and a suppression unit configured to suppress the peak or the dip with the extreme value that is determined to be suppressed.
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