Provided by: kissfft-tools_131.1.0-3build2_amd64 

NAME
fastconvr_float - Reverse Fast Fourier Transformation CLI tool
USAGE
-n nfft fft size to use -d use direct FIR filtering, not fast convolution -i filename input file -o filename output(filtered) file -n nfft fft size to use -h filename impulse response kissfft-tools January 2021 FASTCONVR_FLOAT(1)