Skip to content

Instantly share code, notes, and snippets.

@crucialfelix

crucialfelix/gist:5072896

Created March 2, 2013 19:41
Show Gist options
  • Star 1 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save crucialfelix/5072896 to your computer and use it in GitHub Desktop.
Save crucialfelix/5072896 to your computer and use it in GitHub Desktop.
Download ZIP
Instruments that split audio signals and return multi chanel arrays/
Raw
gistfile1.sc
// these return more than one track
// they take a stereo in and return an array of stereo outs
Instr("splits.two",{ arg audio=0.0,lpf=200, lprq=0.5,hipass=100;
var lo,hi;
lo = RLPF.ar( audio, lpf,lprq);
hi = HPF.ar( audio, hipass);
[ lo, hi]
},[
\audio,
[50,10000,\exponential],
[0.1,0.9],
[100,7000,\exponential]
],
MultiTrackAudioSpec(2,2)
);
Instr("splits.xover",{ arg audio=0.0,xover=200,logain=1.0,higain=1.0;
var lo,hi;
lo = LPF.ar( audio, xover);
hi = audio - lo;
if(logain != 1.0,{ lo = lo * logain });
if(higain != 1.0,{ hi = hi * higain });
[lo,hi]
},[
\audio,
\freq,
[0.0,2.0],
[0.0,2.0]
],
MultiTrackAudioSpec(2,2)
);
Instr("splits.rxover",{ arg audio=0.0,xover=200,rq=0.5,logain=1.0,higain=1.0;
var lo;
lo = RLPF.ar( audio, xover,rq);
[ lo * logain, audio - lo * higain]
},[
\audio,
\ffreq,
\rq,
[0.0,2.0],
[0.0,2.0]
],
MultiTrackAudioSpec(2,2)
);
/*
Instr([\splits,\r4xover],{ arg audio=0.0,xover=0.5,rq=0.5,logain=1.0,higain=1.0;
var lo;
lo = RLPF4.ar( audio, xover,rq);
[ lo * logain, audio - lo * higain]
},[
\audio,
\unipolar,
\rq,
[0.0,2.0],
[0.0,2.0]
]);
*/
Instr("splits.bpf",{ arg audio=0.0,ffreq=200,rq8=1.0;
var chan;
chan = BPF.ar( audio, ffreq,rq8);
[chan,audio - chan]
},
nil,
MultiTrackAudioSpec(2,2)
);
Instr([\splits,\xover3,\lp],{ arg audio=0.0,xover1=200,xover2=4000,logain=1.0,midgain=1.0,higain=1.0;
var lo,mid,hi,rest;
lo = RLPF.ar(audio,xover1,0.4);// cmon you know you want it
rest = audio - lo;
mid = LPF.ar(rest,xover2);
hi = rest - mid;
lo = if(logain==1.0,{lo},{lo*logain});
mid = if(midgain==1.0,{mid},{mid*midgain});
hi = if(higain==1.0,{hi},{hi*higain});
[ lo, mid, hi ]
},[
\audio,
[200,3000,\exponential],
[3000,9000,\exponential],
[0.0,2.0],
[0.0,2.0],
[0.0,2.0]
],
MultiTrackAudioSpec(3,2)
);
Instr([\splits,\xover3,\slew],{ arg audio=0.0,slope=200,xover2=4000,logain=1.0,midgain=1.0,higain=1.0;
var lo,mid,hi,rest;
lo = Slew.ar(audio,slope,slope);
rest = audio - lo;
mid = LPF.ar(rest,xover2);
hi = rest - mid;
lo = if(logain==1.0,{lo},{lo*logain});
mid = if(midgain==1.0,{mid},{mid*midgain});
hi = if(higain==1.0,{hi},{hi*higain});
[ lo, mid, hi ]
},[
\audio,
[10,1200,\exponential],
[3000,9000,\exponential],
[0.0,2.0],
[0.0,2.0],
[0.0,2.0]
],
MultiTrackAudioSpec(3,2)
);
// loses a lot of delicacy
Instr([\splits,\xover3,\bpf],{ arg audio=0.0,xover1=200,xover2=4000,logain=1.0,midgain=1.0,higain=1.0;
var lo,mid,hi,rest;
mid =BPFbyFreq.ar( audio, xover1,xover2);
rest = audio - mid;
hi = HPF.ar(rest,xover2,higain);
lo = LPF.ar( rest,xover1,logain);
[ lo
, mid * midgain
, hi
]
},[
\audio,
[200,3000,\exponential],
[3000,9000,\exponential],
[0.0,2.0],
[0.0,2.0],
[0.0,2.0]
],
MultiTrackAudioSpec(3,2)
);
// xtract mid by resonz
Instr([\splits,\xovermid,\resonz],{ arg audio=0.0,xover1=200,xover2=4000;
var lo,hi,mid,rest;
mid = ResonzByFreq.ar( audio, xover1,xover2);
rest = audio - mid;
[ mid, rest]
},[
\audio,
[200,3000,\exponential],
[3000,9000,\exponential],
[0.0,2.0],
[0.0,2.0],
[0.0,2.0]
],
MultiTrackAudioSpec(2,2)
);
Instr([\splits,\xover3,\resonz],{ arg audio=0.0,xover1=200,xover2=4000;
var lo,hi,mid,rest;
mid = ResonzByFreq.ar( audio, xover1,xover2);
rest = audio - mid;
lo = LPF.ar( rest, xover1);
hi = rest - lo;
[ lo,mid, hi]
},[
\audio,
[200,3000,\exponential],
[3000,9000,\exponential],
[0.0,2.0],
[0.0,2.0],
[0.0,2.0]
],
MultiTrackAudioSpec(3,2)
);
Instr([\splits,\xover3,\rbpf],{ arg audio=0.0,xover1=200,xover2=4000,rq=0.5,logain=1.0,midgain=1.0,higain=1.0;
var lo,hi,mid;
lo = RLPF.ar( audio, xover1,rq,logain);
mid = RBPF.ar( audio, xover1,xover2,rq, midgain);
hi = HPF.ar( audio, xover2,higain);
[ lo,mid, hi]
},[
\audio,
[200,3000,\exponential],
[3000,9000,\exponential],
\rq,
[0.0,2.0],
[0.0,2.0],
[0.0,2.0]
],
MultiTrackAudioSpec(3,2)
);
// cant modulate the low band without ugly little noise
Instr([\splits,\xover3,\rrbpf],{ arg audio=0.0,xover1=200,xover2=4000,rq=0.5,logain=1.0,midgain=1.0,higain=1.0;
var lo,hi,mid;
lo = RLPF.ar( audio, xover1,rq,logain);
mid = RRBPF.ar( audio, xover1,xover2,rq, 0.3,midgain);
hi = HPF.ar( audio, xover2,higain);
[ lo,mid, hi]
},[
\audio,
[200,3000,\exponential],
[3000,9000,\exponential],
\rq,
[0.0,2.0],
[0.0,2.0],
[0.0,2.0]
],
MultiTrackAudioSpec(3,2)
);
Instr("splits.xoverBalancer",{ arg audio,xover=500,lo=1,hi=1;
var loa;
loa = LPF.ar(audio,xover);
Mix.new([loa * lo, audio - loa * hi ])
},#[
\audio,
[100,12000,\exponential]
],
\audio
);
// same as \lp
//Instr([\splits,\xover3,\xover],{ arg audio=0.0,xover1=400,xover2=5000;
//
// var lo,hi,mid,midhi;
//
// lo = LPF.ar(audio,xover1);
// midhi = audio - lo;
// mid = LPF.ar(midhi,xover2);
// hi = midhi - mid;
//
// [ lo,mid, hi]
//
//},[
// \audio,
// \ffreq,
// \ffreq,
//
// \rq,
// \rq
//]);
/** minuser ?
Instr([\splits,\xover3,\xoverBalancer],{ arg audio=0.0,xover1=400,xover2=5000,lo=1,mid=1,hi=1;
var split;
split = Instr.ar([\splits,\xover3,\minuser],[audio,xover1,xover2]);
Mix.new([
split.at(0) * lo,
split.at(1) * mid,
split.at(2) * hi
])
},#[
\audio,
\ffreq,
\ffreq,
\rq,
\rq,
[0.0,1.5],
[0.0,1.5],
[0.0,1.5]
],MultiTrackAudioSpec(3,2));
**/
Instr([\splits,\xover3,\resMinuser],{ arg audio=0.0,xover1=400,xover2=5000,rq1=0.5,rq2=0.5;
var lo,hi,mid,midhi;
lo = RLPF.ar(audio,xover1,rq1);
midhi = audio - lo;
mid = RLPF.ar(midhi,xover2,rq2);
hi = mid - midhi;
[ lo,mid, hi]
},[
\audio,
\ffreq,
\ffreq,
\rq,
\rq
],MultiTrackAudioSpec(3,2)
);
// mixes it back together
Instr([\splits,\xover3,\resMinuserBalancer],{ arg audio=0.0,xover1=400,xover2=5000,rq1=0.5,rq2=0.5,lo=1,mid=1,hi=1;
var split;
split = Instr.ar([\splits,\xover3,\resMinuser],[audio,xover1,xover2,rq1,rq2]);
Mix.new([
split.at(0) * lo,
split.at(1) * mid,
split.at(2) * hi
])
},#[
\audio,
\ffreq,
\ffreq,
\rq,
\rq,
[0.0,1.5],
[0.0,1.5],
[0.0,1.5]
],
\audio
);
/*
Instr([\splits,\xover3,\res4Minuser],{ arg audio=0.0,xover1=0.3,xover2=0.7,rq1=0.5,rq2=0.5;
var lo,hi,mid,midhi;
lo = RLPF4.ar(audio,xover1,rq1);
midhi = audio - lo;
mid = RLPF4.ar(midhi,xover2,rq2);
hi = mid - midhi;
[ lo,mid, hi]
},[
\audio,
\unipolar,
\unipolar,
\rq,
\rq
]);
Instr([\splits,\xover3,\res4MinuserBalancer],{ arg audio=0.0,xover1=0.3,xover2=0.7,rq1=0.5,rq2=0.5,lo=1,mid=1,hi=1;
var split;
split = Instr.ar([\splits,\xover3,\res4Minuser],[audio,xover1,xover2,rq1,rq2]);
Mix.new([
split.at(0) * lo,
split.at(1) * mid,
split.at(2) * hi
])
},#[
\audio,
\unipolar,
\unipolar,
\rq,
\rq,
[0.0,1.5],
[0.0,1.5],
[0.0,1.5]
]);
*/
Instr([\splits,\xover3,\resMinuserBouncer],{ arg audio=0.0,xover1=400,xover2=5000,rq1=0.5,rq2=0.5,lobounce=500;
var lo,hi,mid,midhi,bounce;
bounce = Amplitude.kr(audio,0.05,0.2,mul: lobounce);
lo = RLPF.ar(audio,xover1 + bounce,rq1);
midhi = audio - lo;
mid = RLPF.ar(midhi,xover2,rq2);
hi = mid - midhi;
[ lo,mid, hi]
},[
\audio,
\ffreq,
\ffreq,
\rq,
\rq
],
MultiTrackAudioSpec(3,2)
);
Instr([\splits,\xover3,\resMinuserBouncerBalancer],{ arg audio=0.0,xover1=400,xover2=5000,rq1=0.5,rq2=0.5,lo=1,mid=1,hi=1,bounce=500;
var split;
split = Instr.ar([\splits,\xover3,\resMinuserBouncer],[audio,xover1,xover2,rq1,rq2,bounce]);
Mix.new([
split.at(0) * lo,
split.at(1) * mid,
split.at(2) * hi
])
},#[
\audio,
\ffreq,
\ffreq,
\rq,
\rq,
[0.0,1.5],
[0.0,1.5],
[0.0,1.5],
[0.1,6000,\exponential]
],
\audio
);
/*
Instr([\splits,\fft],{ arg audio=0.0;
var fft,r,i;
fft = FFT.ar(1024,0,nil,nil,nil,audio);
r = fft.collect({ arg c; c.real });
i = fft.collect({ arg c; c.imag });
[
IFFT.ar(256,0,nil,nil,nil,r.copyRange(0,255),i.copyRange(0,255)),
IFFT.ar(256,0,nil,nil,nil,r.copyRange(256,511),i.copyRange(256,511)),
IFFT.ar(256,0,nil,nil,nil,r.copyRange(512,767),i.copyRange(512,767)),
IFFT.ar(256,0,nil,nil,nil,r.copyRange(768,1023),i.copyRange(768,1023))
]
});
*/
//
//
//
//Instr([\splits,\fftBalance],{ arg audio=0.0,lo=1,lomid=1,himid=1,hi=1;
//
// var fft,r,i;
// fft = FFT.ar(1024,0,nil,nil,nil,audio);
// r = fft.collect({ arg c; c.real });
// i = fft.collect({ arg c; c.imag });
//Mix.new([
// IFFT.ar(256,0,nil,nil,nil,r.copyRange(0,255),i.copyRange(0,255)) * lo,
// IFFT.ar(256,0,nil,nil,nil,r.copyRange(256,511),i.copyRange(256,511)) * lomid,
// IFFT.ar(256,0,nil,nil,nil,r.copyRange(512,767),i.copyRange(512,767)) * himid,
// IFFT.ar(256,0,nil,nil,nil,r.copyRange(768,1023),i.copyRange(768,1023)) * hi
//])
//
//});
// yeah !!!!!! viscious !
Instr("splits.bySlew",{ arg audio=0.0,freq=300;
var slewed,rest;
slewed = Slew.ar(audio,freq,freq);
rest = audio - slewed;
[ rest,slewed]
},#[
\audio,
\freq
],
MultiTrackAudioSpec(2)
);
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment