audio-stats

Web-audio stats grapher.

• Spectrum
• Spectrogram
• Waveform
• Wavelet

Usage

var Stats = require('audio-stats');
 
var stats = new Stats(options);
 
source.connect(stats.node);
stats.node.connect(context.destination);
 
document.body.appendChild(stats.element);

API

Stats(options?)

Creates stats controller.

Option	Description
minFrequency	Starting frequency to plot, by default 20.
maxFrequency	Maximum frequency to plot, by default 20000.
minDecibels	Minimum decibels to capture, by default -90
maxDecibels	Maximum decibels to limit, by default -30.
fftSize	Number of frequencies to catch. Default is 8192.
smoothingTimeConstant	Smoothing constant. Default is 0.8
log	Display logarithmic frequencies. Default is true.

Stats.prototype.update()

Recalculate style, size and position.

Stats.prototype.on('draw', function (canvas) {})

Hook for drawing additional info on the canvas.