JavaScript Chart Examples

SciChart.js ships with over 80 JavaScript Chart demos which you can browse, view the source code and see related documentation. Build incredible complex dashboards with SciChart.js, our High Performance JavaScript Chart Library.

Audio Analyzer Demo

Demonstrates how to create a JavaScript Audio Analyzer with Fourier Transform using SciChart.js, High Performance JavaScript 3D Charts. Note: this example requires microphone permissions to run.

Demonstrating the capability of SciChart.js to create a JavaScript Audio Analyzer and visualize the Fourier-Transform of an audio waveform.


This example uses a Line Series to render audio data recorded from the microphone, a Column series to render FFT data, and a Heatmap series to render a spectrogram - a scrolling visualisation of frequency domain data.

2D Charts
Chart Legends
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