mp3 visualizer for webkit browsers (web audio API) Source: Puru – Koyuki (06R Remix) var D = { width: 300, height: 150, theme: { name: 'b', list: ['a', 'b', 'c'] }, stc: 0.8, ftt: 512, volume: 0.3, A: { size: 5, space: 3, color: 'rgba(43,43,43,1)', Init: function() { D.A.width = D.A.size + D.A.space; D.A.length = D.width / D.A.width; }, Draw: function() { D.ctx.fillStyle = D.A.color; for (var i =