Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun digital signal processing An
audio filter thatdiscards lowerfrequencies whilepreserving higher ones.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Very cool masking technique for the GIMP: Perfect masking using a highpass.
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Very cool masking technique for the GIMP: Perfect masking using a highpass.
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Very cool masking technique for the GIMP: Perfect masking using a highpass.
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That said, normally, a filter operation does not subtract the output from the input in such a manner, i.e. a highpass filter would be used to remove the low frequencies, and a separate lowpass filter would be used to remove the high frequencies .
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I.e. typically you would take the “mirror” highpass filter and apply it to the original data to get the proper output.
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You can perform the function on white noise, for example, then subtract that result from the original data to get the highpass portion, and do a cross-correlation between them.
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Two Filters, both switchable between lowpass, bandpass, and highpass modes and capable of self oscillation even without an audio input.
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The Filter is a variable highpass filter (up to 250 Hz) on the sidechain that allows audio material below a selected frequency to pass through the unit without triggering compression on the entire signal.
Mix 2010
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The receiver includes balanced XLR-type and unbalanced ¼-inch output connections; ground-lift switch on XLR-type output; metal receiver construction; rackmount kit and detachable UHF receiver antennas; field-replaceable bodypack transmitter antenna; highpass filter; adjustable squelch; soft-touch controls and LCD display; and control of input sensitivity.
Mix 2010
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Two Filters, both switchable between lowpass, bandpass, and highpass modes and capable of self oscillation even without an audio input.
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