Definition: In signal processing and machine learning, a "smoother" is a type of filter that smooths or filters out noise in an input signal. Smoother filters are useful for reducing the amount of unwanted information that can be present in an input signal. There are several types of smoothers used in signal processing, including low-pass and high-pass filters, bandpass filters, and adaptive filters. Low-pass filters remove high-frequency components from an input signal, while high-pass filters add low
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