ref: 50243ce8b8f884879d506c0900da0591ce4b4603
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."
},
}
}