ahd delayed
delayed attack hold decay envelope. Delay parameter determins a time of delay after rising gate until the envelope starts.
Author: Johannes Taelman (additions by Peter Witzel)
License: BSD
Github: cpwitz/env/ahd delayed.axo
Inlets
bool32.risingfalling gate
Outlets
frac32.positive env
Parameters
frac32.s.map.klineartime.exp delay
frac32.s.map.kdecaytime.exp a
frac32.s.map.kdecaytime.exp d
Declaration
int32_t val;
int32_t delay;
int32_t ntrig;
Init
val = 0;
delay = 0;
ntrig = 0;
Control Rate
if (inlet_gate > 0) {
if (ntrig == 0) {
ntrig = 1;
} else {
if (delay < (1 << 27)) {
int32_t t;
MTOF(-param_delay, t);
delay += t >> 6;
val = ___SMMUL(val, param_d) << 1;
} else {
val = (1 << 27) - (___SMMUL((1 << 27) - val, param_a) << 1);
}
}
} else {
ntrig = 0;
val = ___SMMUL(val, param_d) << 1;
delay = 0;
}
outlet_env = val;