hiPass filter specification
Type: Maximally flat (Butterworth) digital high pass filter
Slope: selectable from 6 dB/Octave to 192 dB/Octave
Step response overshoot:
-1.261 dB at 192 dB/oct
-0.631 dB at 96 dB/oct
-0.317 dB at 48 dB/oct
-0.162 dB at 24 dB/oct
-0.875 dB at 12 dB/oct
Stop Band Attenuation: > 260 dB

Plotted below is the amplitude response for a 1.0 kHz cut frequency at 44.1 kHz sampling rate for a number of filter slopes.

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