> Sound.SC3.UGen.Help.viewSC3Help "RunningMax"
> Sound.SC3.UGen.DB.ugenSummary "RunningMax"

> import Sound.SC3.ID

> let {n = dust 'α' AR 20
>     ;t = impulse AR 0.4 0
>     ;f = runningMax n t * 500 + 200}
> in audition (out 0 (sinOsc AR f 0 * 0.2))

follow a sine lfo, reset rate controlled by mouse x
> let {t = impulse KR (mouseX KR 0.01 2 Linear 0.1) 0
>     ;f = runningMax (sinOsc KR 0.2 0) t * 500 + 200}
> in audition (out 0 (sinOsc AR f 0 * 0.2))