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<title>
Javascript Audio Processing
</title>
<script src="https://cdn.rawgit.com/google/code-prettify/master/loader/run_prettify.js?lang=js&amp;skin=sunburst"></script>
<!-- show all line numbers-->
<style type="text/css">.prettyprint ol.linenums > li { list-style-type: decimal }</style>
<script src="maxiLib.js"></script>
<!-- Our javascript code -->
<script type="text/javascript">
var maxiLib = window.MaxiLib();
var audio = new maxiLib.maxiAudio();
audio.init();
audio.outputIsArray(true, 2);
//Bizarelly, this sounds a little bit like Kraftwerk's 'Metropolis', although it isn't. Funny that.
var sound = new maxiLib.maxiOsc();
var bass = new maxiLib.maxiOsc();
var timer = new maxiLib.maxiOsc();
var mod = new maxiLib.maxiOsc();
var lead = new maxiLib.maxiOsc();
var lead2 = new maxiLib.maxiOsc();
var leadmod = new maxiLib.maxiOsc();
var envelope = new maxiLib.maxiEnv();
var leadenvelope = new maxiLib.maxiEnv();
var filter = new maxiLib.maxiFilter();
var filter2 = new maxiLib.maxiFilter();
var delay = new maxiLib.maxiDelayline();
var mtof = new maxiLib.convert();
var bassout,leadout, delayout;//some variables to hold the data and pass it around
var trigger, trigger2, newnote = 0;//some control variables
var currentCount,lastCount,playHead=0, currentChord=0;//some other control variables
var pitch = [57,57,59,60];//the bassline for the arpeggio
var chord = [0,0,7,2,5,5,0,0];//the root chords for the arpeggio
var currentPitch,leadPitch;//the final pitch variables
//here's the lead line trigger array, followed by the pitches
var leadLineTrigger=[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
var leadLinePitch=[69,67,65,64,67,66,64,62,65,64,62,57,55,60,57];
audio.play = function(){
currentCount=Math.floor(timer.phasor(9));//this sets up a metronome that ticks every so often
if (lastCount!=currentCount) {//if we have a new timer int this sample, play the sound
trigger=1;//play the arpeggiator line
trigger2=leadLineTrigger[playHead%256];//play the lead line
if (trigger2==1) {//if we are going to play a note
leadPitch=mtof.mtof(leadLinePitch[newnote]);//get the next pitch val
newnote++;//and iterate
if (newnote>14) {
newnote=0;//make sure we don't go over the edge of the array
}
}
currentPitch=mtof.mtof(pitch[(playHead%4)]+chord[currentChord%8]);//write the frequency val into currentPitch
playHead++;//iterate the playhead
if (playHead%32==0) {//wrap every 4 bars
currentChord++;//change the chord
}
//cout << "tick\n";//the clock ticks
lastCount=0;//set lastCount to 0
}
bassout=filter2.lores(envelope.adsr(bass.saw(currentPitch*0.5)+sound.pulse(currentPitch*0.5,mod.phasor(1)),1,0.9995, 0.25, 0.9995, 1, trigger),9250,2);//new, simple ADSR.
leadout=filter.lores(leadenvelope.ar(lead2.saw(leadPitch*4)+lead.pulse(leadPitch+(leadmod.sinebuf(1.9)*1.5), 0.6), 0.00005, 0.999975, 50000, trigger2),5900,10);//leadline
delayout=(leadout+(delay.dl(leadout, 14000, 0.8)*0.5))/2;//add some delay
if(trigger!=0)trigger=0;//set the trigger to off if you want it to trigger immediately next time.
audio.output[0]=(bassout + delayout)/2;//sum output
audio.output[1]=(bassout + delayout)/2;
}
</script>
</head>
<body>
<h1> Replicant! </h1>
<p>
</p>
<pre class="prettyprint lang-js linenums:true" id="quine" style="border:4px solid #88c" >
var maxiLib = window.MaxiLib();
var audio = new maxiLib.maxiAudio();
audio.init();
audio.outputIsArray(true, 2);
//Bizarelly, this sounds a little bit like Kraftwerk's 'Metropolis', although it isn't. Funny that.
var sound = new maxiLib.maxiOsc();
var bass = new maxiLib.maxiOsc();
var timer = new maxiLib.maxiOsc();
var mod = new maxiLib.maxiOsc();
var lead = new maxiLib.maxiOsc();
var lead2 = new maxiLib.maxiOsc();
var leadmod = new maxiLib.maxiOsc();
var envelope = new maxiLib.maxiEnv();
var leadenvelope = new maxiLib.maxiEnv();
var filter = new maxiLib.maxiFilter();
var filter2 = new maxiLib.maxiFilter();
var delay = new maxiLib.maxiDelayline();
var mtof = new maxiLib.convert();
var bassout,leadout, delayout;//some variables to hold the data and pass it around
var trigger, trigger2, newnote = 0;//some control variables
var currentCount,lastCount,playHead=0, currentChord=0;//some other control variables
var pitch = [57,57,59,60];//the bassline for the arpeggio
var chord = [0,0,7,2,5,5,0,0];//the root chords for the arpeggio
var currentPitch,leadPitch;//the final pitch variables
//here's the lead line trigger array, followed by the pitches
var leadLineTrigger=[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
var leadLinePitch=[69,67,65,64,67,66,64,62,65,64,62,57,55,60,57];
audio.play = function(){
currentCount=Math.floor(timer.phasor(9));//this sets up a metronome that ticks every so often
if (lastCount!=currentCount) {//if we have a new timer int this sample, play the sound
trigger=1;//play the arpeggiator line
trigger2=leadLineTrigger[playHead%256];//play the lead line
if (trigger2==1) {//if we are going to play a note
leadPitch=mtof.mtof(leadLinePitch[newnote]);//get the next pitch val
newnote++;//and iterate
if (newnote>14) {
newnote=0;//make sure we don't go over the edge of the array
}
}
currentPitch=mtof.mtof(pitch[(playHead%4)]+chord[currentChord%8]);//write the frequency val into currentPitch
playHead++;//iterate the playhead
if (playHead%32==0) {//wrap every 4 bars
currentChord++;//change the chord
}
//cout << "tick\n";//the clock ticks
lastCount=0;//set lastCount to 0
}
bassout=filter2.lores(envelope.adsr(bass.saw(currentPitch*0.5)+sound.pulse(currentPitch*0.5,mod.phasor(1)),1,0.9995, 0.25, 0.9995, 1, trigger),9250,2);//new, simple ADSR.
leadout=filter.lores(leadenvelope.ar(lead2.saw(leadPitch*4)+lead.pulse(leadPitch+(leadmod.sinebuf(1.9)*1.5), 0.6), 0.00005, 0.999975, 50000, trigger2),5900,10);//leadline
delayout=(leadout+(delay.dl(leadout, 14000, 0.8)*0.5))/2;//add some delay
if(trigger!=0)trigger=0;//set the trigger to off if you want it to trigger immediately next time.
audio.output[0]=(bassout + delayout)/2;//sum output
audio.output[1]=(bassout + delayout)/2;
}
</pre>
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