ref: ffe16b59b7ae8c2e00dffa7bba7c9d7b9238c9f5
dir: /modules/data/tenvx.lua/
sptbl["tenvx"] = {
files = {
module = "tenvx.c",
header = "tenvx.h",
example = "ex_tenvx.c",
},
func = {
create = "sp_tenvx_create",
destroy = "sp_tenvx_destroy",
init = "sp_tenvx_init",
compute = "sp_tenvx_compute",
},
params = {
optional = {
{
name = "atk",
type = "SPFLOAT",
description = "Tau attack time, in seconds. Must be non-zero.",
default = 0.1
},
{
name = "hold",
type = "SPFLOAT",
description = "Hold time, in seconds. The duration of the gate signal.",
default = 0.3
},
{
name = "rel",
type = "SPFLOAT",
description = "Tau release time, in seconds. Must be non-zero.",
default = 0.2
},
}
},
modtype = "module",
description = [[Trigger based exponential AHD envelope generator.
This envelope generator emulates the exponential behavior of analogue
envelope generators by passing a gate signal (whose duration is specified via
the hold parameter) through a one-pole filter, whose filter coefficeints are
calculated in terms of tau.
]],
ninputs = 1,
noutputs = 1,
inputs = {
{
name = "trig",
description = "Trigger input. When non-zero, the envelope will (re)trigger."
},
},
outputs = {
{
name = "out",
description = "Signal output"
},
}
}