Web-audio stats grapher.

• [x] 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.