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Data Sonification.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Data Sonification</title>
<link href="https://fonts.googleapis.com/css?family=Roboto:400,700&display=swap" rel="stylesheet">
<style>
/* Basic Reset */
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-family: 'Roboto', sans-serif;
background: #f0f4f8;
color: #333;
line-height: 1.6;
padding: 20px;
}
header {
text-align: center;
margin-bottom: 20px;
}
header h1 {
font-size: 2rem;
color: #2c5282;
}
header p {
font-size: 1rem;
color: #4a5568;
}
.container {
max-width: 800px;
margin: 0 auto;
background: #fff;
padding: 20px 30px;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.section {
margin-bottom: 20px;
}
.section h2 {
font-size: 1.25rem;
margin-bottom: 10px;
color: #2c5282;
}
input[type="file"] {
margin-bottom: 10px;
}
.options,
.duration-options {
display: flex;
flex-wrap: wrap;
gap: 10px;
margin-bottom: 10px;
}
.options label,
.duration-options label {
background: #e2e8f0;
padding: 10px;
border-radius: 4px;
cursor: pointer;
font-size: 0.9rem;
}
.options input[type="checkbox"] {
margin-right: 5px;
}
.duration-options input[type="number"] {
width: 80px;
padding: 5px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 0.9rem;
}
#runtimeDisplay {
font-weight: bold;
color: #2c5282;
}
.buttons {
display: flex;
flex-wrap: wrap;
gap: 10px;
margin-top: 20px;
}
button {
background: #2c5282;
color: #fff;
border: none;
padding: 10px 15px;
border-radius: 4px;
cursor: pointer;
font-size: 1rem;
transition: background 0.3s ease;
}
button:disabled {
background: #a0aec0;
cursor: not-allowed;
}
button:hover:not(:disabled) {
background: #2b6cb0;
}
/* Progress bar styling */
#progressContainer {
display: none;
margin-top: 20px;
text-align: center;
}
progress {
width: 100%;
height: 20px;
}
footer {
text-align: center;
margin-top: 20px;
font-size: 0.9rem;
color: #718096;
}
</style>
</head>
<body>
<header>
<h1>Data Sonification</h1>
<p>Convert any file's raw bytes into sound with customizable settings.</p>
</header>
<div class="container">
<!-- File Selection -->
<div class="section">
<h2>File Selection</h2>
<input type="file" id="fileInput">
</div>
<!-- Oscillator Type Options -->
<div class="section">
<h2>Oscillator Types</h2>
<div class="options">
<label><input type="checkbox" name="oscillator" value="sine" checked> Sine</label>
<label><input type="checkbox" name="oscillator" value="square" checked> Square</label>
<label><input type="checkbox" name="oscillator" value="triangle" checked> Triangle</label>
<label><input type="checkbox" name="oscillator" value="sawtooth" checked> Sawtooth</label>
</div>
</div>
<!-- Duration Options -->
<div class="section">
<h2>Tone Duration Range</h2>
<p>Tested values: Minimum 0.001 sec and Maximum 5 sec.</p>
<div class="duration-options">
<label>Min: <input type="number" id="minDurationInput" value="0.05" step="0.01" min="0.01" max="5"></label>
<label>Max: <input type="number" id="maxDurationInput" value="0.3" step="0.01" min="0.01" max="5"></label>
</div>
</div>
<!-- Runtime Info -->
<div class="section">
<h2>Sonification Info</h2>
<p>Total runtime: <span id="runtimeDisplay">0.00</span> seconds</p>
</div>
<!-- Buttons -->
<div class="buttons">
<button id="toggleButton" disabled>Start Playback</button>
<button id="remapButton" disabled>Remap Frequencies/Durations/Types</button>
<button id="saveButton" disabled>Save as WAV</button>
</div>
</div>
<!-- Progress Bar for WAV Export -->
<div id="progressContainer">
<progress id="progressBar" value="0" max="100"></progress>
<p>Estimated time remaining: <span id="etaDisplay">0</span> seconds</p>
</div>
<script>
let fileBytes = null;
// currentMapping is an array of objects: { frequency, duration, type }
let currentMapping = [];
let isPlaying = false;
let playbackTimeoutId = null;
let currentOscillator = null;
// Frequency range in Hz.
const minFreq = 200;
const maxFreq = 2000;
// (Tone duration range is read from inputs below)
const audioContext = new (window.AudioContext || window.webkitAudioContext)();
// Get the selected oscillator types from the checkboxes.
function getSelectedOscillatorTypes() {
const checkboxes = document.querySelectorAll("input[name='oscillator']:checked");
let types = Array.from(checkboxes).map(el => el.value);
if (types.length === 0) {
types = ["sine"];
}
return types;
}
// Update total runtime display by summing durations of all tones.
function updateRuntimeDisplay(mapping) {
const totalDuration = mapping.reduce((acc, tone) => acc + tone.duration, 0);
document.getElementById("runtimeDisplay").textContent = totalDuration.toFixed(2);
}
// Generate a random mapping for each byte with frequency, random duration, and oscillator type.
function generateRandomMapping() {
if (!fileBytes) return [];
const availableTypes = getSelectedOscillatorTypes();
let minToneDuration = parseFloat(document.getElementById('minDurationInput').value) || 0.05;
let maxToneDuration = parseFloat(document.getElementById('maxDurationInput').value) || 0.3;
if (maxToneDuration < minToneDuration) {
maxToneDuration = minToneDuration;
}
const mapping = new Array(fileBytes.length);
for (let i = 0; i < fileBytes.length; i++) {
const frequency = minFreq + Math.random() * (maxFreq - minFreq);
const duration = minToneDuration + Math.random() * (maxToneDuration - minToneDuration);
const type = availableTypes[Math.floor(Math.random() * availableTypes.length)];
mapping[i] = { frequency, duration, type };
}
updateRuntimeDisplay(mapping);
return mapping;
}
// Stop playback and update UI.
function stopPlayback() {
isPlaying = false;
if (playbackTimeoutId) {
clearTimeout(playbackTimeoutId);
playbackTimeoutId = null;
}
if (currentOscillator) {
try { currentOscillator.stop(); } catch (e) {}
currentOscillator = null;
}
document.getElementById('toggleButton').textContent = "Start Playback";
}
// Recursive function to play one tone at a time.
function playTone(index) {
if (!isPlaying || index >= currentMapping.length) {
stopPlayback();
return;
}
const { frequency, duration, type } = currentMapping[index];
currentOscillator = audioContext.createOscillator();
const gainNode = audioContext.createGain();
currentOscillator.frequency.setValueAtTime(frequency, audioContext.currentTime);
currentOscillator.type = type;
currentOscillator.connect(gainNode);
gainNode.connect(audioContext.destination);
gainNode.gain.setValueAtTime(0, audioContext.currentTime);
gainNode.gain.linearRampToValueAtTime(0.5, audioContext.currentTime + 0.02);
gainNode.gain.setValueAtTime(0.5, audioContext.currentTime + duration - 0.02);
gainNode.gain.linearRampToValueAtTime(0, audioContext.currentTime + duration);
currentOscillator.start(audioContext.currentTime);
currentOscillator.stop(audioContext.currentTime + duration);
setTimeout(() => { currentOscillator = null; }, duration * 1000);
playbackTimeoutId = setTimeout(() => {
playTone(index + 1);
}, duration * 1000);
}
// Handle file selection.
document.getElementById('fileInput').addEventListener('change', (event) => {
const file = event.target.files[0];
if (!file) return;
const reader = new FileReader();
reader.onload = (e) => {
const arrayBuffer = e.target.result;
fileBytes = new Uint8Array(arrayBuffer);
currentMapping = generateRandomMapping();
document.getElementById('toggleButton').disabled = false;
document.getElementById('remapButton').disabled = false;
document.getElementById('saveButton').disabled = false;
};
reader.readAsArrayBuffer(file);
});
// Toggle playback: start if not playing, stop if playing.
document.getElementById('toggleButton').addEventListener('click', () => {
if (isPlaying) {
stopPlayback();
} else {
if (fileBytes && currentMapping.length) {
isPlaying = true;
document.getElementById('toggleButton').textContent = "Stop Playback";
playTone(0);
}
}
});
// Remap without starting playback.
document.getElementById('remapButton').addEventListener('click', () => {
if (fileBytes) {
currentMapping = generateRandomMapping();
}
});
// Convert an AudioBuffer to a WAV Blob.
function bufferToWav(abuffer) {
const numOfChan = abuffer.numberOfChannels,
length = abuffer.length * numOfChan * 2 + 44,
buffer = new ArrayBuffer(length),
view = new DataView(buffer),
channels = [],
sampleRate = abuffer.sampleRate;
let pos = 0;
function writeString(s) {
for (let i = 0; i < s.length; i++){
view.setUint8(pos++, s.charCodeAt(i));
}
}
writeString('RIFF');
view.setUint32(pos, length - 8, true); pos += 4;
writeString('WAVE');
writeString('fmt ');
view.setUint32(pos, 16, true); pos += 4;
view.setUint16(pos, 1, true); pos += 2;
view.setUint16(pos, numOfChan, true); pos += 2;
view.setUint32(pos, sampleRate, true); pos += 4;
view.setUint32(pos, sampleRate * numOfChan * 2, true); pos += 4;
view.setUint16(pos, numOfChan * 2, true); pos += 2;
view.setUint16(pos, 16, true); pos += 2;
writeString('data');
view.setUint32(pos, length - pos - 4, true); pos += 4;
for (let i = 0; i < numOfChan; i++) {
channels.push(abuffer.getChannelData(i));
}
const interleaved = new Float32Array(abuffer.length * numOfChan);
for (let i = 0; i < abuffer.length; i++) {
for (let channel = 0; channel < numOfChan; channel++) {
interleaved[i * numOfChan + channel] = channels[channel][i];
}
}
for (let i = 0; i < interleaved.length; i++) {
let sample = Math.max(-1, Math.min(1, interleaved[i]));
sample = sample < 0 ? sample * 0x8000 : sample * 0x7FFF;
view.setInt16(pos, sample, true);
pos += 2;
}
return new Blob([buffer], { type: 'audio/wav' });
}
// Export the current sonification as a WAV file.
function exportWav() {
if (!fileBytes || !currentMapping.length) return;
const sampleRate = 44100;
const totalDuration = currentMapping.reduce((acc, tone) => acc + tone.duration, 0);
const offlineContext = new OfflineAudioContext(1, sampleRate * totalDuration, sampleRate);
let currentTime = 0;
for (let i = 0; i < currentMapping.length; i++) {
const { frequency, duration, type } = currentMapping[i];
const oscillator = offlineContext.createOscillator();
const gainNode = offlineContext.createGain();
oscillator.frequency.setValueAtTime(frequency, currentTime);
oscillator.type = type;
oscillator.connect(gainNode);
gainNode.connect(offlineContext.destination);
gainNode.gain.setValueAtTime(0, currentTime);
gainNode.gain.linearRampToValueAtTime(0.5, currentTime + 0.02);
gainNode.gain.setValueAtTime(0.5, currentTime + duration - 0.02);
gainNode.gain.linearRampToValueAtTime(0, currentTime + duration);
oscillator.start(currentTime);
oscillator.stop(currentTime + duration);
currentTime += duration;
}
// Show progress UI.
const progressContainer = document.getElementById("progressContainer");
const progressBar = document.getElementById("progressBar");
const etaDisplay = document.getElementById("etaDisplay");
progressContainer.style.display = "block";
progressBar.value = 0;
// Set an estimated rendering time (in ms). Here we assume 5000 ms (5 seconds).
const estimatedRenderTime = 5000;
const startTime = Date.now();
const progressInterval = setInterval(() => {
const elapsed = Date.now() - startTime;
const progress = Math.min(100, (elapsed / estimatedRenderTime) * 100);
progressBar.value = progress;
const eta = Math.max(0, ((estimatedRenderTime - elapsed) / 1000)).toFixed(1);
etaDisplay.textContent = eta;
}, 100);
offlineContext.startRendering().then((renderedBuffer) => {
const wavBlob = bufferToWav(renderedBuffer);
const url = URL.createObjectURL(wavBlob);
const link = document.createElement('a');
link.href = url;
link.download = 'sonification.wav';
link.click();
URL.revokeObjectURL(url);
clearInterval(progressInterval);
progressBar.value = 100;
etaDisplay.textContent = "0.0";
setTimeout(() => {
progressContainer.style.display = "none";
}, 500);
}).catch((e) => {
console.error(e);
alert("An error occurred during WAV export.");
clearInterval(progressInterval);
progressContainer.style.display = "none";
});
}
document.getElementById('saveButton').addEventListener('click', exportWav);
</script>
<!-- Home Button -->
<a href="https://jcomicstampa.github.io/some-utils/" class="home-button" aria-label="Return to Home">
🏠
</a>
<style>
.home-button {
position: fixed;
bottom: 20px;
right: 20px;
width: 50px;
height: 50px;
background: #ff0000;
border-radius: 50%;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
display: flex;
align-items: center;
justify-content: center;
font-size: 24px;
text-decoration: none;
color: #0051ff;
transition: all 0.3s ease;
z-index: 1000;
}
.home-button:hover {
transform: translateY(-3px);
box-shadow: 0 4px 15px rgba(0,0,0,0.2);
background: #2563eb;
color: white;
}
.home-button:active {
transform: scale(0.95);
}
</style>
</body>
</html>