hsc3-0.11: Help/UGen/Envelope/linen.help.lhs
> 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))