<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Analyser</title> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"> <link rel="icon" type="image/png" sizes="174x174" href="./favicon.png"> <script src="https://cdnjs.cloudflare.com/ajax/libs/webcomponentsjs/2.4.3/webcomponents-bundle.js"></script> <link href="https://fonts.googleapis.com/css?family=Material+Icons&display=block" rel="stylesheet"/> <script src="../build/Tone.js"></script> <script src="./js/tone-ui.js"></script> <script src="./js/components.js"></script> </head> <body> <tone-example label="Analyser"> <tone-loader></tone-loader> <div slot="explanation"> <a href="https://tonejs.github.io/docs/FFT" target="_blank">Tone.FFT</a> returns the amplitude of the incoming signal at different frequencies. <a href="https://tonejs.github.io/docs/Waveform" target="_blank">Tone.Waveform</a> returns the signal value between 0-1. </div> <div id="content"> <tone-play-toggle></tone-play-toggle> </div> </tone-example> <script type="text/javascript"> const player = new Tone.Player({ url: "https://tonejs.github.io/audio/berklee/arpeggio2.mp3", loop: true }).toDestination(); const toneMeter = new Tone.Meter(); player.connect(toneMeter); const toneFFT = new Tone.FFT(); player.connect(toneFFT); const toneWaveform = new Tone.Waveform(); player.connect(toneWaveform); // bind the GUI drawer().add({ tone: player, title: "Player", }); meter({ tone: toneMeter, parent: document.querySelector("#content") }); fft({ tone: toneFFT, parent: document.querySelector("#content") }); waveform({ tone: toneWaveform, parent: document.querySelector("#content") }); document.querySelector("tone-play-toggle").addEventListener("start", () => player.start()); document.querySelector("tone-play-toggle").addEventListener("stop", () => player.stop()); </script> </body> </html>