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

> import Sound.SC3 {- hsc3 -}

Assume hop of half fftsize

    > withSC3 (async (b_alloc 10 1024 1))

> g_01 =
>     let x = mouseX KR 0.001 0.1 Exponential 0.2
>         i = sinOsc AR 1000 0 * x
>         f = fft' 10 i
>         l = loudness f 0.25 6
>     in sinOsc AR (mce2 900 (l * 300 + 600)) 0 * 0.1