hsc3-0.15: Help/UGen/Envelope/envASR.help.lhs
> Sound.SC3.UGen.Help.viewSC3Help "Env.*asr"
> :i Sound.SC3.ASR
> import Sound.SC3
> let {g = control KR "env-gate" 1
> ;p = envASR 0.01 1 1 (EnvNum (-4))
> ;e = envGen KR g 0.1 0 1 RemoveSynth p}
> in audition (out 0 (sinOsc AR 440 0 * e))
> withSC3 (send (n_set1 (-1) "env-gate" 0))
> import Sound.SC3.Plot
> plotEnvelope [envASR 0.1 1 1 (EnvNum (-4))
> ,envASR 0.3 0.25 1 EnvSin
> ,envASR 0.01 0.5 1.25 EnvLin]