2020
2019
2017
2016

Soundcloud Visualizer by Michael Bromley

Audio Visualization with Web Audio, Canvas and the Soundcloud API
2015

Waveform.js

Introducing Sunny for iPhone & iPad

Noizio – ambient sound equalizer for relax or productivity.

Surrounded by sound: how 3D audio hacks your brain | The Verge

The Ghost in the MP3
2014

Hush | Block out the world. Hear what you need.

Jasper | Control everything with your voice

@GreWeb - Beez, WebRTC + Audio API

TypedArray.org | JavaScript for interactive developers

wavesurfer.js

All this is done in HTML5 by the way.

Web audio: Filter Playground

Exploring the HTML5 Web Audio: visualizing sound | Smartjava.org
