(amplitude rate in attackTime releaseTime)

Amplitude follower. Tracks the peak amplitude of a signal.

(audition (out 0 (mul (pulse ar 90 0.3) (amplitude kr (in 1 ar num-output-buses) 0.01 0.01))))

(let* ((a (amplitude kr (in 1 ar num-output-buses) 0.01 0.01)) (f (mul-add a 1200 400))) (audition (out 0 (mul (sin-osc ar f 0) 0.3))))