eno.js

// bookmarklet-title: Eno
// bookmarklet-about: Plays demoscene interpretation of Brian Eno's 1/2 from the album Ambient 1. Original code by Mathieu Henri (http://www.p01.org/music_for_tiny_airports).

const k = 8192;
let t = 0;
const AudioContext = window.AudioContext || window.webkitAudioContext;
const ac = new AudioContext();
const sp = ac.createScriptProcessor(k, 0, 1);
sp.connect(ac.destination);
sp.onaudioprocess = pe => {
  for(let i=0; i<k; t+=2e-5) pe.outputBuffer.getChannelData(0)[i++] = '%,IW7:A'.charCodeAt(i%7)*t%.1*(1-t/(Math.tan(i%7)+9)%1);
};