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

> import Sound.SC3

> let e = linen (impulse KR 2 0) 0.01 0.6 0.4 DoNothing
> in audition (out 0 (e * sinOsc AR 440 0 * 0.1))

> let {x = mouseX KR (-1) 1 Linear 0.1
>     ;y = mouseY KR 0.1 0.5 Linear 0.1
>     ;e = linen x 1 y 1.0 DoNothing}
> in audition (out 0 (sinOsc AR 440 0 * e))