high-pass filter
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filter that passes signals with a frequency higher than a certain cutoff frequency, and attenuates signals with lower frequencies
In the Vinony graph
Within Vinony's link graph, high-pass filter is referenced by 218 other articles, and connects out to signal, band-pass filter and attenuation.
Vinony files it under Filter frequency response, Linear filters and Synthesiser modules.
Its subject is documented across 29 Wikipedia language editions.
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Encyclopedic overview
Ideal high-pass filter frequency response
A high-pass filter (HPF) is an electronic filter that passes signals with a frequency higher than a certain cutoff frequency and attenuates signals with frequencies lower than the cutoff frequency. The amount of attenuation for each frequency depends on the filter design. A high-pass filter is usually modeled as a linear time-invariant system. It is sometimes called a low-cut filter or bass-cut filter in the context of audio engineering. High-pass filters have many uses, such as blocking DC from circuitry sensitive to non-zero average voltages or radio frequency devices. They can also be used in conjunction with a low-pass filter to produce a band-pass filter.
Excerpted from Wikipedia’s “high-pass filter” article, available under the CC BY-SA 4.0 licence.