ref: 264e4718c21792ed8ee230d39aa2b9ac88d73b14
dir: /modules/data/buthp.lua/
sptbl["buthp"] = { files = { module = "buthp.c", header = "buthp.h", example = "ex_buthp.c", }, func = { create = "sp_buthp_create", destroy = "sp_buthp_destroy", init = "sp_buthp_init", compute = "sp_buthp_compute", }, params = { optional = { { name = "freq", type = "SPFLOAT", description = "Cutoff Frequency.", default = 1000 }, } }, modtype = "module", description = [[Highpass Butterworth filter]], ninputs = 1, noutputs = 1, inputs = { { name = "input", description = "Signal input." }, }, outputs = { { name = "output", description = "Signal output." }, } }