High-pass-filter meaning

hīpăs
A filter designed to transmit electromagnetic frequencies above a certain value, while excluding those of a lower frequency.
noun
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A filter that blocks low frequencies and allows higher frequencies to pass through. Such filters are used in devices such as POTS splitters that direct phone and DSL signals to different lines. Contrast with low-pass filter.
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A device that passes all signals above a designated frequency (electrical) or wavelength (optical) band, but absorbs, attenuates, blocks, rejects, or removes all other signals. See also absorption, attenuation, band, band-pass filter, electrical, frequency, low-pass filter, optical, signal, and wavelength.
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