;; (var-saw rate freq iphasewidth)

;; Variable duty saw

;; freq - frequency in Hertz
;; iphase - initial phase offset in cycles ( 0..1 )
;; width - duty cycle from zero to one.

(let ((f (mul-add (lf-pulse kr (mce2 3 3.03) 0 0.3) 200 200))
      (w (lin-lin (lf-tri kr 1 0) -1 1 0 1)))
  (audition (out 0 (mul (var-saw ar f 0 w) 0.1))))