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Parametric Equalization
The Parametric EQ command lets you apply a high-pass, low-pass, band-pass, or
band-stop filter to your audio data. You must specify the filter type and
parameters as follows:
Parameter... Meaning...
High pass Removes frequencies that are below the cutoff F1.
Low pass Removes frequencies that are above the cutoff F1.
Band pass (Peak) Removes frequencies that lie outside the range F1-F2.
Band stop (Notch) Removes frequencies that lie within the range F1-F2.
F1 (Hz) First frequency cutoff.
F2 (Hz) Second frequency cutoff.
Quality The sharpness the frequency cutoff, that is, how far
outside the cutoff range a frequency must be for its gain to
be fully reduced. Higher Quality values are sharper.
Cut (dB) The maximum amount of gain reduction to apply to
stopped frequencies.
Gain (dB) The overall level for the filtered audio. Setting the gain too
high may result in clipping or distortion.
Note:
For band filters, setting F1 and F2 close together may cause
distortion or ringing.
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