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

> import Sound.SC3

> let {z = impulse AR 2 0
>     ;z' = tDelay z 0.5
>     ;o = sinOsc AR 440 0 * 0.1}
> in audition (out 0 (mce [z * 0.1,toggleFF z' * o]))