isochronic-tone.js

isochronic-tone.js

// Create an audio context
const audioCtx = new (window.AudioContext || window.webkitAudioContext)();

// Create an oscillator node
const oscillator = audioCtx.createOscillator();

// Set the frequency of the oscillator
oscillator.frequency.value = 1000;

// Create a gain node
const gainNode = audioCtx.createGain();

// Connect the oscillator to the gain node
oscillator.connect(gainNode);

// Connect the gain node to the audio context's destination
gainNode.connect(audioCtx.destination);

// Start the oscillator
oscillator.start();

// Set the gain to 0
gainNode.gain.value = 0;
let flip = true

function toggleTone() {
    if (flip) {
        flip = false
        gainNode.gain.value = 1
    } else {
        flip = true
        gainNode.gain.value = 0.1
    }
}
// Set the tone to turn on and off at specific intervals
setInterval(toggleTone, 500); // toggle tone every 500ms