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meyda - npm Package Compare versions

Comparing version 2.0.0 to 2.0.2

4

bower.json
{
"name": "meyda",
"main": "dist/browser/meyda.min.js",
"version": "2.0.0",
"main": "dist/web/meyda.min.js",
"version": "2.0.2",
"homepage": "https://github.com/hughrawlinson/meyda",

@@ -6,0 +6,0 @@ "authors": [

@@ -85,4 +85,2 @@ 'use strict';

};
self.setSource(source);
}

@@ -89,0 +87,0 @@

@@ -1,1 +0,1 @@

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e&&e.__esModule?e:{"default":e}}Object.defineProperty(r,"__esModule",{value:!0});var o=e("./extractors/rms"),a=n(o),u=e("./extractors/energy"),i=n(u),c=e("./extractors/spectralSlope"),s=n(c),l=e("./extractors/spectralCentroid"),f=n(l),p=e("./extractors/spectralRolloff"),g=n(p),m=e("./extractors/spectralFlatness"),h=n(m),d=e("./extractors/spectralSpread"),y=n(d),v=e("./extractors/spectralSkewness"),w=n(v),b=e("./extractors/spectralKurtosis"),S=n(b),x=e("./extractors/zcr"),M=n(x),j=e("./extractors/loudness"),_=n(j),O=e("./extractors/perceptualSpread"),E=n(O),T=e("./extractors/perceptualSharpness"),A=n(T),F=e("./extractors/mfcc"),P=n(F),k=e("./extractors/powerSpectrum"),z=n(k);r["default"]={buffer:function(e){return e.signal},rms:a["default"],energy:i["default"],complexSpectrum:function(e){return e.complexSpectrum},spectralSlope:s["default"],spectralCentroid:f["default"],spectralRolloff:g["default"],spectralFlatness:h["default"],spectralSpread:y["default"],spectralSkewness:w["default"],spectralKurtosis:S["default"],amplitudeSpectrum:function(e){return e.ampSpectrum},zcr:M["default"],loudness:_["default"],perceptualSpread:E["default"],perceptualSharpness:A["default"],powerSpectrum:z["default"],mfcc:P["default"]},t.exports=r["default"]},{"./extractors/energy":8,"./extractors/loudness":10,"./extractors/mfcc":11,"./extractors/perceptualSharpness":12,"./extractors/perceptualSpread":13,"./extractors/powerSpectrum":14,"./extractors/rms":15,"./extractors/spectralCentroid":16,"./extractors/spectralFlatness":17,"./extractors/spectralKurtosis":18,"./extractors/spectralRolloff":19,"./extractors/spectralSkewness":20,"./extractors/spectralSlope":21,"./extractors/spectralSpread":22,"./extractors/zcr":23}],25:[function(e,t,r){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}function o(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t["default"]=e,t}function a(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(r,"__esModule",{value:!0});var u=function(){function e(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}(),i=e("./utilities"),c=o(i),s=e("./featureExtractors"),l=n(s),f=e("jsfft"),p=(o(f),e("jsfft/lib/complex_array")),g=o(p),m=function(){function e(t){a(this,e);var r=this;r.audioContext=t.audioContext,r.spn=r.audioContext.createScriptProcessor(r.bufferSize,1,1),r.spn.connect(r.audioContext.destination),r.setSource(t.source),r.bufferSize=t.bufferSize||256,r.callback=t.callback,r.windowingFunction=t.windowingFunction||"hanning",r.featureExtractors=l["default"];var n,o=!1;r.barkScale=new Float32Array(r.bufferSize);for(var u=0;u<r.barkScale.length;u++)r.barkScale[u]=u*r.audioContext.sampleRate/r.bufferSize,r.barkScale[u]=13*Math.atan(r.barkScale[u]/1315.8)+3.5*Math.atan(Math.pow(r.barkScale[u]/7518,2));r.spn.onaudioprocess=function(e){var t=e.inputBuffer.getChannelData(0);r.signal=t;var a=c.applyWindow(t,r.windowingFunction),u=new g.ComplexArray(r.bufferSize);u.map(function(e,t,r){e.real=a[t]});var i=u.FFT();r.complexSpectrum=i,r.ampSpectrum=new Float32Array(r.bufferSize/2);for(var s=0;s<r.bufferSize/2;s++)r.ampSpectrum[s]=Math.sqrt(Math.pow(i.real[s],2)+Math.pow(i.imag[s],2));"function"==typeof callback&&o&&callback(r.get(n))}}return u(e,[{key:"start",value:function(e){_featuresToExtract=e,EXTRACTION_STARTED=!0}},{key:"stop",value:function(){EXTRACTION_STARTED=!1}},{key:"setSource",value:function(e){e.connect(this.spn)}},{key:"get",value:function(e){var t=this;if("object"==typeof e){for(var r={},n=0;n<e.length;n++)r[e[n]]=l["default"][e[n]]({ampSpectrum:t.ampSpectrum,complexSpectrum:t.complexSpectrum,signal:t.signal,bufferSize:t.bufferSize,sampleRate:t.audioContext.sampleRate,barkScale:t.barkScale});return r}if("string"==typeof e)return l["default"][e]({ampSpectrum:t.ampSpectrum,complexSpectrum:t.complexSpectrum,signal:t.signal,bufferSize:t.bufferSize,sampleRate:t.audioContext.sampleRate,barkScale:t.barkScale});throw"Invalid Feature Format"}}]),e}();r["default"]=m,"undefined"!=typeof window&&(window.Meyda=m),t.exports=r["default"]},{"./featureExtractors":24,"./utilities":26,jsfft:7,"jsfft/lib/complex_array":6}],26:[function(e,t,r){"use strict";function n(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r]);return t["default"]=e,t}function o(e){for(;e%2===0&&e>1;)e/=2;return 1===e}function a(e){throw new Error("Meyda: "+e)}function u(e,t){for(var r=[],n=0;n<Math.min(e.length,t.length);n++)r[n]=e[n]*t[n];return r}function i(e,t){return l[t]||(l[t]={}),l[t][e.length]||(l[t][e.length]=s.hanning(e.length)),u(e,l[t][e.length])}Object.defineProperty(r,"__esModule",{value:!0}),r.isPowerOfTwo=o,r.error=a,r.pointwiseBufferMult=u,r.applyWindow=i;var c=e("./windowing"),s=n(c),l={}},{"./windowing":27}],27:[function(e,t,r){"use strict";function n(e){for(var t=new Float32Array(e),r=0;e>r;r++)t[r]=.5-.5*Math.cos(2*Math.PI*r/(e-1));return t}function o(e){for(var t=new Float32Array(e),r=0;e>r;r++)t[r]=.54-.46*Math.cos(2*Math.PI*(r/e-1));return t}Object.defineProperty(r,"__esModule",{value:!0}),r.hanning=n,r.hamming=o},{}]},{},[25]);
{
"name": "meyda",
"version": "2.0.0",
"version": "2.0.2",
"description": "Real-time feature extraction for the web audio api",

@@ -5,0 +5,0 @@ "main": "./dist/node/main.js",

# meyda
[![Travis](https://img.shields.io/travis/hughrawlinson/meyda.svg?style=flat-square)](https://travis-ci.org/hughrawlinson/meyda) [![Code Climate](https://img.shields.io/codeclimate/github/hughrawlinson/meyda.svg?style=flat-square)](https://codeclimate.com/github/hughrawlinson/meyda) [![Code Climate](https://img.shields.io/codeclimate/coverage/github/hughrawlinson/meyda.svg?style=flat-square)](https://codeclimate.com/github/hughrawlinson/meyda) [![VersionEye](https://img.shields.io/versioneye/d/hughrawlinson/meyda.svg?style=flat-square)](https://www.versioneye.com/user/projects/55b14fb4643533001b000479)
is a javascript audio feature extraction library designed for and implemented in the [Web Audio API](https://github.com/WebAudio/web-audio-api "Web Audio API"). We wrote a paper about it, which is available [here](http://doc.gold.ac.uk/~mu202hr/publications/RawlinsonSegalFiala_WAC2015.pdf).
Meyda is a javascript audio feature extraction library designed for and implemented in the [Web Audio API](https://github.com/WebAudio/web-audio-api "Web Audio API"). We wrote a paper about it, which is available [here](http://doc.gold.ac.uk/~mu202hr/publications/RawlinsonSegalFiala_WAC2015.pdf).

@@ -6,0 +6,0 @@ [hughrawlinson](https://github.com/hughrawlinson "Hugh Rawlinson") | [nevosegal](https://github.com/nevosegal "Nevo Segal") | [jakubfiala](https://github.com/jakubfiala "Jakub Fiala")

@@ -58,4 +58,2 @@ import * as utilities from './utilities';

};
self.setSource(source);
}

@@ -62,0 +60,0 @@

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