35 lines
667 B
Racket
35 lines
667 B
Racket
#lang scribble/manual
|
|
@(require (for-label racket))
|
|
|
|
@title{(pv-add bufferA bufferB)}
|
|
|
|
|
|
Complex addition: RealA + RealB, ImagA + ImagB
|
|
|
|
|
|
@racketblock[
|
|
(with-sc3
|
|
(lambda (fd)
|
|
(async fd (b-alloc 10 2048 1))
|
|
(async fd (b-alloc 11 2048 1))
|
|
(async fd (b-alloc-read 12 "/home/rohan/audio/metal.wav" 0 0))))
|
|
]
|
|
|
|
|
|
@racketblock[
|
|
(let* ((a (play-buf 1 12 (buf-rate-scale kr 12) 0 0 1))
|
|
(f (fft* 10 a))
|
|
(g (fft* 11 (mul (sin-osc ar 440 0) 0.2)))
|
|
(h (pv-add f g)))
|
|
(audition (out 0 (mul (ifft* h) 0.5))))
|
|
]
|
|
|
|
|
|
@racketblock[
|
|
(audition
|
|
(out 0 (mul (add (play-buf 1 12 (buf-rate-scale kr 12) 0 0 1)
|
|
(mul (sin-osc ar 440 0) 0.2))
|
|
0.5)))
|
|
]
|
|
|
|
|