Difference between revisions of "Highpass filter"

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Highpass filter is the opposite of [[lowpass]] filter. Only [[frequency|frequencies]] above a specified frequency are kept. Below the High Pass point, frequencies are cut off.
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A good tool for applying highpass on audio streams is [http://sox.sourceforge.net/ SoX]
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Highpass filter is the opposite of [[lowpass filter]]. low frequency noise is attenuated, while high frequency noise is allowed to pass through above the cut-off.  
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[[Category:Signal Processing]]

Latest revision as of 20:34, 15 September 2006

Highpass filter is the opposite of lowpass filter. low frequency noise is attenuated, while high frequency noise is allowed to pass through above the cut-off.