2022-08-24 13:53:18 +00:00
|
|
|
#lang scribble/manual
|
|
|
|
@(require (for-label racket))
|
|
|
|
|
|
|
|
@title{(pv-phase-shift buffer shift)}
|
|
|
|
|
2022-08-28 10:27:01 +00:00
|
|
|
|
2022-08-24 13:53:18 +00:00
|
|
|
add `shift' to the phase component of every bin at `buffer'.
|
|
|
|
|
2022-08-28 10:27:01 +00:00
|
|
|
|
|
|
|
@racketblock[
|
2022-08-24 13:53:18 +00:00
|
|
|
(with-sc3
|
|
|
|
(lambda (fd)
|
|
|
|
(async fd (b-alloc 10 2048 1))))
|
2022-08-28 10:27:01 +00:00
|
|
|
]
|
2022-08-24 13:53:18 +00:00
|
|
|
|
2022-08-28 10:27:01 +00:00
|
|
|
|
|
|
|
@racketblock[
|
2022-08-24 13:53:18 +00:00
|
|
|
(let ((n (mul (white-noise ar) 0.1))
|
|
|
|
(x (mouse-x kr 0 1 0 0.1)))
|
|
|
|
(audition (out 0 (ifft* (pv-phase-shift (fft* 10 n) x)))))
|
2022-08-28 10:27:01 +00:00
|
|
|
]
|
|
|
|
|
2022-08-24 13:53:18 +00:00
|
|
|
|