hsc3-0.12: Help/UGen/Filter/bBandPass.help.lhs
> Sound.SC3.UGen.Help.viewSC3Help "BBandPass"
> Sound.SC3.UGen.DB.ugenSummary "BBandPass"
> import Sound.SC3
> let { i = soundIn (mce2 0 1)
> ; f = mouseX KR 20 20000 Exponential 0.2
> ; bw = mouseY KR 0 10 Linear 0.2 }
> in audition (out 0 (bBandPass i f bw))