15 lines
413 B
Text
15 lines
413 B
Text
|
#lang scribble/manual
|
||
|
@(require (for-label racket))
|
||
|
|
||
|
@title{(amplitude rate in attackTime releaseTime)}
|
||
|
|
||
|
Amplitude follower. Tracks the peak amplitude of a signal.
|
||
|
|
||
|
(audition
|
||
|
(out 0 (mul (pulse ar 90 0.3)
|
||
|
(amplitude kr (in 1 ar num-output-buses) 0.01 0.01))))
|
||
|
|
||
|
(let* ((a (amplitude kr (in 1 ar num-output-buses) 0.01 0.01))
|
||
|
(f (mul-add a 1200 400)))
|
||
|
(audition (out 0 (mul (sin-osc ar f 0) 0.3))))
|