NOISE REDUCTION PROCESSING METHOD AND NOISE REDUCTION PROCESSING APPARATUS
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United States of America
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Apr 10, 2025
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Oct 4, 2024
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Oct 4, 2024
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Abstract
A noise reduction processing method according to this invention includes a step of acquiring a low-frequency signal by applying a first filter including a first filter window to a target signal, a step of estimating a noise signal by applying a second filter window including a second filter window independent of the first filter window to a high-frequency signal acquired based on the target signal and the low-frequency signal, and a step of acquiring a low-noise signal.
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