Description:
Apply a sinc kaiser-windowed low-pass, high-pass, band-pass, or band-reject FIR filter with 120dB stopband attenuation.
The default stop-band attenuation of 120dB can be overridden via <attenuation>.
Alternatively, the kaiser-window 'beta' parameter can be given directly via <kaiser-beta>.
The default transition band-width of 5% of the total band can be overridden with <transition-bandwidth> (in Hz).
Alternatively, the number of filter taps can be given directly via <filter-taps>.
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