rsc3/doc/examples/ugen/fft/pv-mag-freeze.help.scm

22 lines
748 B
Scheme

;; (PV_Magfreeze buffer freeze)
;; freeze magnitudes. freezes magnitudes at current levels when
;; freeze > 0.
;; buffer - fft buffer.
;; freeze - if > 0 then magnitudes are frozen at current levels.
(with-sc3
(lambda (fd)
(async fd (b-alloc 10 2048 1))
(async fd (b-alloc-read 12 "/home/rohan/audio/metal.wav" 0 0))))
(let ((dup (lambda (a) (mce2 a a)))
(s (sin-osc ar (mul-add (lf-noise1 kr 5.2) 250 400) 0))
(f (sin-osc kr 0.2 0)))
(audition (out 0 (dup (mul 0.25 (ifft* (pv-mag-freeze (fft* 10 s) f)))))))
(let ((dup (lambda (a) (mce2 a a)))
(s (play-buf 1 12 (buf-rate-scale kr 12) 1 0 1))
(f (gt (mouse-y kr 0 1 0 0.1) 0.5)))
(audition (out 0 (dup (mul 0.25 (ifft* (pv-mag-freeze (fft* 10 s) f)))))))