Sound.SC3.UGen.Help.viewSC3Help "BHiShelf"
    Sound.SC3.UGen.DB.ugenSummary "BHiShelf"

> import Sound.SC3 {- hsc3 -}
> import Sound.SC3.Common.Math.Filter.BEQ {- hsc3 -}

> g_01 =
>     let i = soundIn 0
>         f = mouseX KR 2200 18000 Exponential 0.2
>         db = mouseY KR 18 (-18) Linear 0.2
>     in bHiShelf i f 1 db

> g_02 =
>     let i = soundIn 0
>         f = mouseX KR 2200 18000 Exponential 0.2
>         rs = mouseY KR 0.1 1 Linear 0.2
>     in bHiShelf i f rs 6

calculate coefficients and use sos

> g_03 =
>     let i = soundIn 0
>         f = mouseX KR 2200 18000 Exponential 0.2
>         rs = mouseY KR 0.1 1 Linear 0.2
>         (a0, a1, a2, b1, b2) = bHiShelfCoef sampleRate f rs 6
>     in sos i a0 a1 a2 b1 b2