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PC World 2008 February
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audio-video
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reaper
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reaper2028-install.exe
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noisegate
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2007-12-03
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882b
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45 lines
// This effect Copyright (C) 2004 and later Cockos Incorporated
// License: GPL - http://www.gnu.org/licenses/gpl.html
desc: noise gate (simple)
slider1:-60<-120,6,1>threshold (dB)
slider2:50<1,4000,10>silence length for fadeout (ms)
slider3:10<1,100,5>fadein response (ms)
slider4:100<1,1000,10>fadeout response (ms)
@init
silentcnt=0;
seekv=1; seekto=1;
@slider
thresh=2 ^ (slider1/6);
sillen=slider2*srate/1000;
fadeout = 1/pow(10,1/(srate*slider4/1000));
fadein = 1/pow(10,1/(srate*slider3/1000));
@sample
a=abs(spl0) > thresh || abs(spl1) > thresh;
a ?
(
silentcnt=0;
seekto=1;
) : (
(silentcnt+=1) > sillen ? seekto=0;
);
// we should make this better, me thinks
seekto > 0.5 ?
( // fading in
seekv=seekv*fadein + (1-fadein);
)
:
( // fading out
seekv=seekv*fadeout;
);
spl0=spl0*seekv;
spl1=spl1*seekv;