50 lines
793 B
Text
50 lines
793 B
Text
|
#lang scribble/manual
|
||
|
@(require (for-label racket))
|
||
|
|
||
|
@title{Latch}
|
||
|
Sample and hold@section{related}
|
||
|
Classes/Gate
|
||
|
@section{categories}
|
||
|
UGens>Triggers
|
||
|
|
||
|
@section{description}
|
||
|
|
||
|
Holds input signal value when triggered. Latch will output 0 until it receives its first trigger.
|
||
|
|
||
|
|
||
|
@section{classmethods}
|
||
|
|
||
|
|
||
|
@section{method}
|
||
|
ar, kr
|
||
|
|
||
|
@section{argument}
|
||
|
in
|
||
|
The input signal.
|
||
|
|
||
|
@section{argument}
|
||
|
trig
|
||
|
|
||
|
Trigger. Trigger can be any signal. A trigger happens when the
|
||
|
signal changes from non-positive to positive.
|
||
|
|
||
|
|
||
|
@section{Examples}
|
||
|
|
||
|
|
||
|
|
||
|
@racketblock[
|
||
|
{ Blip.ar(Latch.ar(WhiteNoise.ar, Impulse.ar(9)) * 400 + 500, 4, 0.2) }.play;
|
||
|
::
|
||
|
|
||
|
The above is just meant as example. LFNoise0 is a faster way to generate random steps:
|
||
|
]
|
||
|
|
||
|
@racketblock[
|
||
|
{ Blip.ar(LFNoise0.kr(9, 400 ,500), 4, 0.2) }.play;
|
||
|
::
|
||
|
|
||
|
]
|
||
|
|
||
|
|