crossbrowdy/CrossBrowdy/CrossBase/audiovisual/audio/timbre.js/timbre.js

A Multimedia JavaScript framework to create real cross-platform and hybrid game engines, games, emulators, multimedia libraries and apps.

var _timbreJSInitializer=function(){//CrossBrowdy modification to be able to initialize the library after an user-driven event (as onClick, etc.).
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q}}}),b.bind=function(a,c){return k.bind(a,c),b},b.setup=function(a){return k.setup(a),b},b.play=function(){return k.play(),b},b.pause=function(){return k.pause(),b},b.reset=function(){return k.reset(),k.events.emit("reset"),b},b.on=b.addListener=function(a,c){return k.on(a,c),b},b.once=function(a,c){return k.once(a,c),b},b.off=b.removeListener=function(a,c){return k.off(a,c),b},b.removeAllListeners=function(a){return k.removeAllListeners(a),b},b.listeners=function(a){return k.listeners(a)},b.rec=function(){return k.rec.apply(k,arguments)},b.timevalue=function(){var a=function(a){var b,c=q;return(b=/^bpm(\d+(?:\.\d+)?)/i.exec(a))&&(c=Math.max(5,Math.min(300,+(b[1]||0)))),c};return function(c){var d,e,f;if(d=/^(\d+(?:\.\d+)?)Hz$/i.exec(c))return 0===+d[1]?0:1e3/+d[1];if(d=/L(\d+)?(\.*)$/i.exec(c))return e=60/a(c)*(4/(d[1]||4))*1e3,e*=[1,1.5,1.75,1.875][(d[2]||"").length]||1;if(d=/^(\d+(?:\.\d+)?|\.(?:\d+))(min|sec|m)s?$/i.exec(c))switch(d[2]){case"min":return 60*+(d[1]||0)*1e3;case"sec":return 1e3*+(d[1]||0);case"m":return+(d[1]||0)}return(d=/^(?:([0-5]?[0-9]):)?(?:([0-5]?[0-9]):)(?:([0-5]?[0-9]))(?:\.([0-9]{1,3}))?$/.exec(c))?(f=3600*(d[1]||0)+60*(d[2]||0)+(d[3]||0),f=1e3*f+(0|((d[4]||"")+"00").substr(0,3))):(d=/(\d+)\.(\d+)\.(\d+)$/i.exec(c))?(f=480*(4*d[1]+ +d[2])+ +d[3],60/a(c)*(f/480)*1e3):(d=/(\d+)ticks$/i.exec(c))?60/a(c)*(d[1]/480)*1e3:(d=/^(\d+)samples(?:\/(\d+)Hz)?$/i.exec(c))?1e3*d[1]/(d[2]||b.samplerate):0}}();var t=b.fn={SignalArray:Float32Array,currentTimeIncr:0,emptycell:null,FINISHED_STATE:d,PLAYING_STATE:e,UNSCHEDULED_STATE:f,SCHEDULED_STATE:g},u=t.isArray=Array.isArray,v=t.isDictionary=function(a){return"object"==typeof a&&a.constructor===Object};t.nop=function(){return this},t.isSignalArray=function(a){return a instanceof t.SignalArray?!0:Array.isArray(a)&&a.__klass&&2===a.__klass.type?!0:!1},t.extend=function(a,b){function c(){this.constructor=a}b=b||A;for(var d in b)b.hasOwnProperty(d)&&(a[d]=b[d]);return 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function(){-1===k.timers.indexOf(a)&&(k.timers.push(a),k.events.emit("addObject"),a._.emit("start"),t.buddies_start(a))}},b=function(a){return function(){var b=k.timers.indexOf(a);-1!==b&&(k.timers.splice(b,1),a._.emit("stop"),k.events.emit("removeObject"),t.buddies_stop(a))}};return function(c){var d=a(c),e=b(c);return c.nodeType=A.TIMER,c.start=function(){return k.nextTick(d),c},c.stop=function(){return k.nextTick(e),c},c}}(),t.listener=function(){var a=function(a){return function(){-1===k.listeners.indexOf(a)&&(k.listeners.push(a),k.events.emit("addObject"),a._.emit("listen"),t.buddies_start(a))}},b=function(a){return function(){var b=k.listeners.indexOf(a);-1!==b&&(k.listeners.splice(b,1),a._.emit("unlisten"),k.events.emit("removeObject"),t.buddies_stop(a))}};return function(c){var d=a(c),e=b(c);return c.nodeType=A.LISTENER,c.listen=function(){return arguments.length&&c.append.apply(c,arguments),c.nodes.length&&k.nextTick(d),c},c.unlisten=function(){return 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g=c.shift(),h=g["in"];this.once("init",function(){this.set(g),h&&(u(h)?this.append.apply(this,h):h instanceof d&&this.append(h))})}switch(this.tickID=-1,this.nodes=c.map(b),this.cells=[],this.numChannels=a,a){case 0:this.L=this.R=new B(null),this.cells[0]=this.cells[1]=this.cells[2]=this.L.cell;break;case 1:this.L=this.R=new B(this),this.cells[0]=this.cells[1]=this.cells[2]=this.L.cell;break;case 2:this.L=new B(this),this.R=new B(this),this.cells[0]=new t.SignalArray(k.cellsize),this.cells[1]=this.L.cell,this.cells[2]=this.R.cell}this.playbackState=e,this.nodeType=d.DSP,this._.ar=!0,this._.mul=1,this._.add=0,this._.dac=null,this._.bypassed=!1,this._.meta={},this._.samplerate=k.samplerate,this._.cellsize=k.cellsize,this._.buddies=[]}d.DSP=1,d.TIMER=2,d.LISTENER=3;var f=d.prototype;return Object.defineProperties(f,{isAr:{get:function(){return this._.ar}},isKr:{get:function(){return!this._.ar}},isBypassed:{get:function(){return 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}}}()}(),function(a){"use strict";function b(a){this.samplerate=a,this.frequency=340,this.Q=1,this.gain=0,this.x1L=this.x2L=this.y1L=this.y2L=0,this.x1R=this.x2R=this.y1R=this.y2R=0,this.b0=this.b1=this.b2=this.a1=this.a2=0,this.setType("lpf")}var c=b.prototype;c.process=function(a,b){var c,d,e,f,g,h,i=this.x1L,j=this.x2L,k=this.y1L,l=this.y2L,m=this.x1R,n=this.x2R,o=this.y1R,p=this.y2R,q=this.b0,r=this.b1,s=this.b2,t=this.a1,u=this.a2;for(g=0,h=a.length;h>g;++g)c=a[g],e=q*c+r*i+s*j-t*k-u*l,j=i,i=c,l=k,k=e,d=b[g],f=q*d+r*m+s*n-t*o-u*p,n=m,m=d,p=o,o=f,a[g]=e,b[g]=f;this.x1L=i,this.x2L=j,this.y1L=k,this.y2L=l,this.x1R=m,this.x2R=n,this.y1R=o,this.y2R=p},c.setType=function(a){var b;(b=d[a])&&(this.type=a,b.call(this,this.frequency,this.Q,this.gain))},c.setParams=function(a,b,c){this.frequency=a,this.Q=b,this.gain=c;var e=d[this.type];return e&&e.call(this,a,b,c),this};var d={lowpass:function(a,b){if(a/=.5*this.samplerate,a>=1)this.b0=1,this.b1=this.b2=this.a1=this.a2=0;else if(0>=a)this.b0=this.b1=this.b2=this.a1=this.a2=0;else{b=0>b?0:b;var c=Math.pow(10,.05*b),d=Math.sqrt(.5*(4-Math.sqrt(16-16/(c*c)))),e=Math.PI*a,f=.5*d*Math.sin(e),g=.5*(1-f)/(1+f),h=(.5+g)*Math.cos(e),i=.25*(.5+g-h);this.b0=2*i,this.b1=4*i,this.b2=this.b0,this.a1=2*-h,this.a2=2*g}},highpass:function(a,b){if(a/=.5*this.samplerate,a>=1)this.b0=this.b1=this.b2=this.a1=this.a2=0;else if(0>=a)this.b0=1,this.b1=this.b2=this.a1=this.a2=0;else{b=0>b?0:b;var c=Math.pow(10,.05*b),d=Math.sqrt((4-Math.sqrt(16-16/(c*c)))/2),e=Math.PI*a,f=.5*d*Math.sin(e),g=.5*(1-f)/(1+f),h=(.5+g)*Math.cos(e),i=.25*(.5+g+h);this.b0=2*i,this.b1=-4*i,this.b2=this.b0,this.a1=2*-h,this.a2=2*g}},bandpass:function(a,b){if(a/=.5*this.samplerate,a>0&&1>a)if(b>0){var c=Math.PI*a,d=Math.sin(c)/(2*b),e=Math.cos(c),f=1/(1+d);this.b0=d*f,this.b1=0,this.b2=-d*f,this.a1=-2*e*f,this.a2=(1-d)*f}else this.b0=this.b1=this.b2=this.a1=this.a2=0;else this.b0=this.b1=this.b2=this.a1=this.a2=0},lowshelf:function(a,b,c){a/=.5*this.samplerate;var d=Math.pow(10,c/40);if(a>=1)this.b0=d*d,this.b1=this.b2=this.a1=this.a2=0;else if(0>=a)this.b0=1,this.b1=this.b2=this.a1=this.a2=0;else{var e=Math.PI*a,f=1,g=.5*Math.sin(e)*Math.sqrt((d+1/d)*(1/f-1)+2),h=Math.cos(e),i=2*Math.sqrt(d)*g,j=d+1,k=d-1,l=1/(j+k*h+i);this.b0=d*(j-k*h+i)*l,this.b1=2*d*(k-j*h)*l,this.b2=d*(j-k*h-i)*l,this.a1=-2*(k+j*h)*l,this.a2=(j+k*h-i)*l}},highshelf:function(a,b,c){a/=.5*this.samplerate;var d=Math.pow(10,c/40);if(a>=1)this.b0=1,this.b1=this.b2=this.a1=this.a2=0;else if(0>=a)this.b0=d*d,this.b1=this.b2=this.a1=this.a2=0;else{var e=Math.PI*a,f=1,g=.5*Math.sin(e)*Math.sqrt((d+1/d)*(1/f-1)+2),h=Math.cos(e),i=2*Math.sqrt(d)*g,j=d+1,k=d-1,l=1/(j-k*h+i);this.b0=d*(j+k*h+i)*l,this.b1=-2*d*(k+j*h)*l,this.b2=d*(j+k*h-i)*l,this.a1=2*(k-j*h)*l,this.a2=(j-k*h-i)*l}},peaking:function(a,b,c){if(a/=.5*this.samplerate,a>0&&1>a){var d=Math.pow(10,c/40);if(b>0){var e=Math.PI*a,f=Math.sin(e)/(2*b),g=Math.cos(e),h=1/(1+f/d);this.b0=(1+f*d)*h,this.b1=-2*g*h,this.b2=(1-f*d)*h,this.a1=this.b1,this.a2=(1-f/d)*h}else this.b0=d*d,this.b1=this.b2=this.a1=this.a2=0}else this.b0=1,this.b1=this.b2=this.a1=this.a2=0},notch:function(a,b){if(a/=.5*this.samplerate,a>0&&1>a)if(b>0){var c=Math.PI*a,d=Math.sin(c)/(2*b),e=Math.cos(c),f=1/(1+d);this.b0=f,this.b1=-2*e*f,this.b2=f,this.a1=this.b1,this.a2=(1-d)*f}else this.b0=this.b1=this.b2=this.a1=this.a2=0;else this.b0=1,this.b1=this.b2=this.a1=this.a2=0},allpass:function(a,b){if(a/=.5*this.samplerate,a>0&&1>a)if(b>0){var c=Math.PI*a,d=Math.sin(c)/(2*b),e=Math.cos(c),f=1/(1+d);this.b0=(1-d)*f,this.b1=-2*e*f,this.b2=(1+d)*f,this.a1=this.b1,this.a2=this.b0}else this.b0=-1,this.b1=this.b2=this.a1=this.a2=0;else this.b0=1,this.b1=this.b2=this.a1=this.a2=0}};d.lpf=d.lowpass,d.hpf=d.highpass,d.bpf=d.bandpass,d.bef=d.notch,d.brf=d.notch,d.apf=d.allpass,a.modules.Biquad=b}(timbre),function(a){"use strict";function b(b){this.samplerate=b;var c=Math.round(Math.log(.1*b)*Math.LOG2E);this.buffersize=1<<c,this.bufferL=new a.fn.SignalArray(this.buffersize+1),this.bufferR=new a.fn.SignalArray(this.buffersize+1),this.wave=null,this._wave=null,this.writeIndex=this.buffersize>>1,this.readIndex=0,this.delayTime=20,this.rate=4,this.depth=20,this.feedback=.2,this.wet=.5,this.phase=0,this.phaseIncr=0,this.phaseStep=4,this.setWaveType("sin"),this.setDelayTime(this.delayTime),this.setRate(this.rate)}var c=b.prototype,d=[];d[0]=function(){for(var a=new Float32Array(512),b=0;512>b;++b)a[b]=Math.sin(2*Math.PI*(b/512));return a}(),d[1]=function(){for(var a,b=new Float32Array(512),c=0;512>c;++c)a=c/512-.25,b[c]=1-4*Math.abs(Math.round(a)-a);return b}(),c.setWaveType=function(a){"sin"===a?(this.wave=a,this._wave=d[0]):"tri"===a&&(this.wave=a,this._wave=d[1])},c.setDelayTime=function(a){this.delayTime=a;for(var b=this.writeIndex-(a*this.samplerate*.001|0);0>b;)b+=this.buffersize;this.readIndex=b},c.setRate=function(a){this.rate=a,this.phaseIncr=512*this.rate/this.samplerate*this.phaseStep},c.process=function(a,b){var c,d,e,f,g,h=this.bufferL,i=this.bufferR,j=this.buffersize,k=j-1,l=this._wave,m=this.phase,n=this.phaseIncr,o=this.writeIndex,p=this.readIndex,q=this.depth,r=this.feedback,s=this.wet,t=1-s,u=a.length,v=this.phaseStep;for(f=0;u>f;){for(e=l[0|m]*q,m+=n;m>512;)m-=512;for(g=0;v>g;++g,++f)d=p+j+e&k,c=.5*(h[d]+h[d+1]),h[o]=a[f]-c*r,a[f]=a[f]*t+c*s,c=.5*(i[d]+i[d+1]),i[o]=b[f]-c*r,b[f]=b[f]*t+c*s,o=o+1&k,p=p+1&k}this.phase=m,this.writeIndex=o,this.readIndex=p},a.modules.Chorus=b}(timbre),function(a){"use strict";function b(b,d){this.samplerate=b,this.channels=d,this.lastPreDelayFrames=0,this.preDelayReadIndex=0,this.preDelayWriteIndex=e,this.ratio=-1,this.slope=-1,this.linearThreshold=-1,this.dbThreshold=-1,this.dbKnee=-1,this.kneeThreshold=-1,this.kneeThresholdDb=-1,this.ykneeThresholdDb=-1,this.K=-1,this.attackTime=.003,this.releaseTime=.25,this.preDelayTime=.006,this.dbPostGain=0,this.effectBlend=1,this.releaseZone1=.09,this.releaseZone2=.16,this.releaseZone3=.42,this.releaseZone4=.98,this.detectorAverage=0,this.compressorGain=1,this.meteringGain=1,this.delayBufferL=new a.fn.SignalArray(c),this.delayBufferR=2===d?new a.fn.SignalArray(c):this.delayBufferL,this.preDelayTime=6,this.preDelayReadIndex=0,this.preDelayWriteIndex=e,this.maxAttackCompressionDiffDb=-1,this.meteringReleaseK=1-Math.exp(-1/(.325*this.samplerate)),this.setAttackTime(this.attackTime),this.setReleaseTime(this.releaseTime),this.setPreDelayTime(this.preDelayTime),this.setParams(-24,30,12)}var c=1024,d=c-1,e=256,f=5,g=b.prototype;g.clone=function(){var a=new b(this.samplerate,this.channels);return a.setAttackTime(this.attackTime),a.setReleaseTime(this.releaseTime),a.setPreDelayTime(this.preDelayTime),a.setParams(this.dbThreshold,this.dbKnee,this.ratio),a},g.setAttackTime=function(a){this.attackTime=Math.max(.001,a),this._attackFrames=this.attackTime*this.samplerate},g.setReleaseTime=function(a){this.releaseTime=Math.max(.001,a);var b=this.releaseTime*this.samplerate,c=.0025;this._satReleaseFrames=c*this.samplerate;var d=b*this.releaseZone1,e=b*this.releaseZone2,f=b*this.releaseZone3,g=b*this.releaseZone4;this._kA=.9999999999999998*d+1.8432219684323923e-16*e-1.9373394351676423e-16*f+8.824516011816245e-18*g,this._kB=-1.5788320352845888*d+2.3305837032074286*e-.9141194204840429*f+.1623677525612032*g,this._kC=.5334142869106424*d-1.272736789213631*e+.9258856042207512*f-.18656310191776226*g,this._kD=.08783463138207234*d-.1694162967925622*e+.08588057951595272*f-.00429891410546283*g,this._kE=-.042416883008123074*d+.1115693827987602*e-.09764676325265872*f+.028494263462021576*g},g.setPreDelayTime=function(a){this.preDelayTime=a;var b=a*this.samplerate;if(b>c-1&&(b=c-1),this.lastPreDelayFrames!==b){this.lastPreDelayFrames=b;for(var d=0,e=this.delayBufferL.length;e>d;++d)this.delayBufferL[d]=this.delayBufferR[d]=0;this.preDelayReadIndex=0,this.preDelayWriteIndex=b}},g.setParams=function(a,b,c){this._k=this.updateStaticCurveParameters(a,b,c);var d=this.saturate(1,this._k),e=1/d;e=Math.pow(e,.6),this._masterLinearGain=Math.pow(10,.05*this.dbPostGain)*e},g.kneeCurve=function(a,b){return a<this.linearThreshold?a:this.linearThreshold+(1-Math.exp(-b*(a-this.linearThreshold)))/b},g.saturate=function(a,b){var c;if(a<this.kneeThreshold)c=this.kneeCurve(a,b);else{var d=a?20*Math.log(a)*Math.LOG10E:-1e3,e=this.ykneeThresholdDb+this.slope*(d-this.kneeThresholdDb);c=Math.pow(10,.05*e)}return c},g.slopeAt=function(a,b){if(a<this.linearThreshold)return 1;var c=1.001*a,d=a?20*Math.log(a)*Math.LOG10E:-1e3,e=c?20*Math.log(c)*Math.LOG10E:-1e3,f=this.kneeCurve(a,b),g=this.kneeCurve(c,b),h=f?20*Math.log(f)*Math.LOG10E:-1e3,i=g?20*Math.log(g)*Math.LOG10E:-1e3;return(i-h)/(e-d)},g.kAtSlope=function(a){for(var b=this.dbThreshold+this.dbKnee,c=Math.pow(10,.05*b),d=.1,e=1e4,f=5,g=0;15>g;++g){var h=this.slopeAt(c,f);a>h?e=f:d=f,f=Math.sqrt(d*e)}return f},g.updateStaticCurveParameters=function(a,b,c){this.dbThreshold=a,this.linearThreshold=Math.pow(10,.05*a),this.dbKnee=b,this.ratio=c,this.slope=1/this.ratio,this.kneeThresholdDb=a+b,this.kneeThreshold=Math.pow(10,.05*this.kneeThresholdDb);var d=this.kAtSlope(1/this.ratio),e=this.kneeCurve(this.kneeThreshold,d);return this.ykneeThresholdDb=e?20*Math.log(e)*Math.LOG10E:-1e3,this._k=d,this._k},g.process=function(a,b){for(var c=1-this.effectBlend,e=this.effectBlend,g=this._k,h=this._masterLinearGain,i=this._satReleaseFrames,j=this._kA,k=this._kB,l=this._kC,m=this._kD,n=this._kE,o=64,p=a.length/o,q=0,r=this.detectorAverage,s=this.compressorGain,t=this.maxAttackCompressionDiffDb,u=1/this._attackFrames,v=this.preDelayReadIndex,w=this.preDelayWriteIndex,x=this.detectorAverage,y=this.delayBufferL,z=this.delayBufferR,A=this.meteringGain,B=this.meteringReleaseK,C=0;p>C;++C){var D,E=Math.asin(r)/(.5*Math.PI),F=E>s,G=s/E,H=G?20*Math.log(G)*Math.LOG10E:-1e3;if((1/0===H||isNaN(H))&&(H=-1),F){t=-1,G=H,G=-12>G?0:G>0?3:.25*(G+12);var I=G*G,J=I*G,K=I*I,L=j+k*G+l*I+m*J+n*K,M=f/L;D=Math.pow(10,.05*M)}else{(-1===t||H>t)&&(t=H);var N=Math.max(.5,t);G=.25/N,D=1-Math.pow(G,u)}for(var O=o;O--;){var P=0,Q=.5*(a[q]+b[q]);y[w]=a[q],z[w]=b[q],0>Q&&(Q*=-1),Q>P&&(P=Q);var R=P;0>R&&(R*=-1);var S=this.saturate(R,g),T=1e-4>=R?1:S/R,U=T?-20*Math.log(T)*Math.LOG10E:1e3;2>U&&(U=2);var V=U/i,W=Math.pow(10,.05*V)-1,X=T>x,Y=X?W:1;x+=(T-x)*Y,x>1&&(x=1),1>D?s+=(E-s)*D:(s*=D,s>1&&(s=1));var Z=Math.sin(.5*Math.PI*s),$=c+e*h*Z,_=20*Math.log(Z)*Math.LOG10E;A>_?A=_:A+=(_-A)*B,a[q]=y[v]*$,b[q]=z[v]*$,q++,v=v+1&d,w=w+1&d}1e-6>x&&(x=1e-6),1e-6>s&&(s=1e-6)}this.preDelayReadIndex=v,this.preDelayWriteIndex=w,this.detectorAverage=x,this.compressorGain=s,this.maxAttackCompressionDiffDb=t,this.meteringGain=A},g.reset=function(){this.detectorAverage=0,this.compressorGain=1,this.meteringGain=1;for(var a=0,b=this.delayBufferL.length;b>a;++a)this.delayBufferL[a]=this.delayBufferR[a]=0;this.preDelayReadIndex=0,this.preDelayWriteIndex=e,this.maxAttackCompressionDiffDb=-1},a.modules.Compressor=b}(timbre),function(a){"use strict";function b(){}b.prototype.decode=function(a,c,d){if("string"==typeof a){if(/\.wav$/.test(a))return b.wav_decode(a,c,d);if(b.ogg_decode&&/\.ogg$/.test(a))return b.ogg_decode(a,c,d);if(b.mp3_decode&&/\.mp3$/.test(a))return b.mp3_decode(a,c,d)}else if("object"==typeof a){if("wav"===a.type)return b.wav_decode(a.data,c,d);if(b.ogg_decode&&"ogg"===a.type)return b.ogg_decode(a.data,c,d);if(b.mp3_decode&&"mp3"===a.type)return b.mp3_decode(a.data,c,d)}return b.webkit_decode?"object"==typeof a?b.webkit_decode(a.data||a,c,d):b.webkit_decode(a,c,d):b.moz_decode?b.moz_decode(a,c,d):void c(!1)},a.modules.Decoder=b,b.getBinaryWithPath="browser"===a.envtype?function(b,c){a.fn.fix_iOS6_1_problem(!0);var d=new XMLHttpRequest;d.open("GET",b),d.responseType="arraybuffer",d.onreadystatechange=function(){4===d.readyState&&(d.response?c(new Uint8Array(d.response)):void 0!==d.responseBody&&c(new Uint8Array(VBArray(d.responseBody).toArray())),a.fn.fix_iOS6_1_problem(!1))},d.send()}:function(a,b){b("no support")};var c=function(a){for(var b,c,d,e,f,g=new Int32Array(a.length/3),h=0,i=a.length,j=0;i>h;)b=a[h++],c=a[h++],d=a[h++],e=b+(c<<8)+(d<<16),f=8388608&e?e-16777216:e,g[j++]=f;return g};b.wav_decode=function(){var a=function(a,b,d){if("RIFF"!==String.fromCharCode(a[0],a[1],a[2],a[3]))return b(!1);var e=a[4]+(a[5]<<8)+(a[6]<<16)+(a[7]<<24);if(e+8!==a.length)return b(!1);if("WAVE"!==String.fromCharCode(a[8],a[9],a[10],a[11]))return b(!1);if("fmt "!==String.fromCharCode(a[12],a[13],a[14],a[15]))return b(!1);for(var f=a[22]+(a[23]<<8),g=a[24]+(a[25]<<8)+(a[26]<<16)+(a[27]<<24),h=a[34]+(a[35]<<8),i=36;i<a.length&&"data"!==String.fromCharCode(a[i],a[i+1],a[i+2],a[i+3]);)i+=1;if(i>=a.length)return 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b(!1)}e=c.sampleRate,f=j.numberOfChannels,2===f?(g=j.getChannelData(0),h=j.getChannelData(1)):g=h=j.getChannelData(0),i=g.length/e;for(var l=new Float32Array(g),m=0,n=l.length;n>m;++m)l[m]=.5*(l[m]+h[m]);b({samplerate:e,channels:f,buffer:[l,g,h],duration:i}),d()};return function(a,c,e){if(a instanceof File){var f=new FileReader;f.onload=function(a){d(new Uint8Array(a.target.result),c,e)},f.readAsArrayBuffer(a)}else"string"==typeof a?b.getBinaryWithPath(a,function(a){d(a,c,e)}):d(a,c,e)}}}(),b.moz_decode=function(){return"function"==typeof Audio&&"function"==typeof(new Audio).mozSetup?function(a,b,c){var d,e,f,g,h,i,j=0,k=new Audio(a);k.volume=0,k.addEventListener("loadedmetadata",function(){d=k.mozSampleRate,e=k.mozChannels,i=k.duration,f=new Float32Array(k.duration*d|0),2===e&&(g=new Float32Array(k.duration*d|0),h=new Float32Array(k.duration*d|0)),2===e?k.addEventListener("MozAudioAvailable",function(a){for(var b,c=a.frameBuffer,d=0,e=c.length;e>d;d+=2)b=g[j]=c[d],b+=h[j]=c[d+1],f[j]=.5*b,j+=1},!1):k.addEventListener("MozAudioAvailable",function(a){for(var b=a.frameBuffer,c=0,d=b.length;d>c;++c)f[c]=b[c],j+=1},!1),k.play(),setTimeout(function(){b({samplerate:d,channels:e,buffer:[f,g,h],duration:i})},1e3)},!1),k.addEventListener("ended",function(){c()},!1),k.load()}:void 0}()}(timbre),function(a){"use strict";function b(a){this.samplerate=a||44100,this.value=d,this.status=m,this.curve="linear",this.step=1,this.releaseNode=null,this.loopNode=null,this.emit=null,this._envValue=new c(a),this._table=[],this._initValue=d,this._curveValue=0,this._defaultCurveType=f,this._index=0,this._counter=0}function c(a){this.samplerate=a,this.value=d,this.step=1,this._curveType=f,this._curveValue=0,this._grow=0,this._a2=0,this._b1=0,this._y1=0,this._y2=0}var 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