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smoothing with instant peak reaction.;
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#X text 402 69 This patch displays the "activity" of an audio signal.
;
#X text 400 100 It uses a 1024 pt FFT to make a a 12 band approximately
bark-spaced filter bank. These bands are graphed such that they react
immediately to loud signals \, and then smoothly decay Luke Dahl \,
2016;
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