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How do high pass and low pass filters work?

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How do high pass and low pass filters work?

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An audio pass filter attenuates an entire range of frequencies. ... A high-pass filter (HPF) attenuates content below a cutoff frequency, allowing higher frequencies to pass through the filter. A low-pass filter (LPF) attenuates content above a cutoff frequency, allowing lower frequencies to pass through the filter.Nov 18, 2013

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