ref: 7c90a8a8dcf46c6ec5ae39df21911e0053e72eda
dir: /modules/data/butlp.lua/
sptbl["butlp"] = { files = { module = "butlp.c", header = "butlp.h", example = "ex_butlp.c", }, func = { create = "sp_butlp_create", destroy = "sp_butlp_destroy", init = "sp_butlp_init", compute = "sp_butlp_compute", }, params = { optional = { { name = "freq", type = "SPFLOAT", description = "Cutoff Frequency.", default = 1000 }, } }, modtype = "module", description = [[Lowpass Butterworth filter]], ninputs = 1, noutputs = 1, inputs = { { name = "input", description = "Signal input." }, }, outputs = { { name = "output", description = "Signal output." }, } }