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50HzKicker
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2007-12-03
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2KB
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60 lines
// (C) 2007, Michael Gruhn.
// NO WARRANTY IS GRANTED. THIS PLUG-IN IS PROVIDED ON AN "AS IS" BASIS, WITHOUT
// WARRANTY OF ANY KIND. NO LIABILITY IS GRANTED, INCLUDING, BUT NOT LIMITED TO,
// ANY DIRECT OR INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGE ARISING
// OUT OF THE USE OR INABILITY TO USE THIS PLUG-IN, COMPUTER FAILTURE OF
// MALFUNCTION INCLUDED. THE USE OF THE SOURCE CODE, EITHER PARTIALLY OR IN
// TOTAL, IS ONLY GRANTED, IF USED IN THE SENSE OF THE AUTHOR'S INTENTION, AND
// USED WITH ACKNOWLEDGEMENT OF THE AUTHOR. FURTHERMORE IS THIS PLUG-IN A THIRD
// PARTY CONTRIBUTION, EVEN IF INCLUDED IN REAPER(TM), COCKOS INCORPORATED OR
// ITS AFFILIATES HAVE NOTHING TO DO WITH IT. LAST BUT NOT LEAST, BY USING THIS
// PLUG-IN YOU RELINQUISH YOUR CLAIM TO SUE IT'S AUTHOR, AS WELL AS THE CLAIM TO
// ENTRUST SOMEBODY ELSE WITH DOING SO.
// Further more is this released under the GPL License:
// http://www.gnu.org/licenses/gpl.html
desc:50 Hz Kicker (Kick Drum Enhancer)
slider1:50<10,200,1>Freqency (Hz)
slider2:-12<-120,12,1>Wet (dB)
slider3:-3<-120,12,1>Dry (dB)
@init
b1Det = -exp(-300 / srate );
a0Det = 1.0 + b1Det;
b1Env1 = -exp(-3 / srate );
a0Env1 = 1.0 + b1Env1;
b1Env2 = -exp(-30 / srate );
a0Env2 = 1.0 + b1Env2;
@slider
adj = 2*$pi*slider1 / srate;
wet = 2^(slider2/6);
dry = 2^(slider3/6);
gain = 0;
tmpDet = 0;
tmpEnv1 = 0.1;
tmpEnv2 = 0;
@sample
det = abs(sqrt(tmpDet = a0Det*(spl0+spl1)*2 - b1Det*tmpDet));
env1 = sqrt(tmpEnv1 = a0Env1*det - b1Env1*tmpEnv1);
env2 = sqrt(tmpEnv2 = a0Env2*det - b1Env2*tmpEnv2);
gain = min(max(env2/env1,1)-1,1);
gain == 0 ? pos=0;
spl0 = sin(pos)*gain*wet + spl0*dry;
spl1 = sin(pos)*gain*wet + spl1*dry;
pos += adj;