Fir -- FFT convolution FIR filter using externally provided coefficients
Synopsis
fir [coefs-file|coefs]
Function
Use the plugin's FFT convolution engine with given FIR filter coefficients. If a
single argument is given then this is treated as the name of a file containing the
filter coefficients (whitespace separated; may contain "#" comments). Examples:
fir 0.0195 -0.082 0.234 0.891 -0.145 0.043
fir coefs.txt
With coefs.txt containing
# HP filter
# freq=10000
1.2311233052619888e-01
-4.4777096106211783e-01
5.1031563346705155e-01
-6.6502926320995331e-02
...