;; (pause-self src)

;; pause enclosing synth when input signal crosses from non-positive
;; to positive.  If the synth is restarted and the gate reset the
;; synthesis *not* paused a second time.

(audition
 (mrg2 (pause-self (mouse-x kr -1 1 0 0.1))
       (out 0 (mul (sin-osc ar 440 0) 0.1))))