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SheepTesterSheepTester
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‎ass/ets/microwave-schwa.wav‎

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‎ass/ets/microwave.wav‎

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‎index.html‎

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<a href="./fruit-merge/">fruit-merge</a>
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&bull;
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<a href="./👑/">queens</a>
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&bull;
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<a href="./vocaloid.html">vocaloid</a>
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</nav>
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<img src="./ass/ets/closejoel-joel.gif" alt="rotating fish gif" />
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<div style="

‎random.ipynb‎

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},
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{
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"cell_type": "code",
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"execution_count": 47,
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"execution_count": 49,
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"metadata": {},
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"outputs": [
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{

‎requirements.txt‎

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asttokens==3.0.0
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certifi==2025.1.31
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charset-normalizer==3.4.1
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comm==0.2.2
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contourpy==1.3.1
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cycler==0.12.1
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debugpy==1.8.13
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decorator==5.2.1
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executing==2.2.0
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fonttools==4.56.0
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idna==3.10
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ipykernel==6.29.5
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ipython==9.0.2
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ipython_pygments_lexers==1.1.1
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jedi==0.19.2
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jupyter_client==8.6.3
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jupyter_core==5.7.2
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kiwisolver==1.4.8
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matplotlib==3.10.1
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matplotlib-inline==0.1.7
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nest-asyncio==1.6.0
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numpy==2.2.4
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packaging==24.2
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pandas==2.2.3
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parso==0.8.4
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pexpect==4.9.0
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pillow==11.1.0
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platformdirs==4.3.7
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prompt_toolkit==3.0.50
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psutil==7.0.0
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ptyprocess==0.7.0
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pure_eval==0.2.3
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Pygments==2.19.1
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pyparsing==3.2.3
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python-dateutil==2.9.0.post0
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python-dotenv==1.1.0
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pytz==2025.2
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pyzmq==26.3.0
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requests==2.32.3
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seaborn==0.13.2
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six==1.17.0
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stack-data==0.6.3
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tornado==6.4.2
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traitlets==5.14.3
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tzdata==2025.2
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urllib3==2.3.0
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wcwidth==0.2.13

‎vocaloid.html‎

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<!doctype html>
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<html>
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<head>
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<meta charset="utf-8" />
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<title>E I E I O</title>
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<meta name="description" content="[i æi i æi ou]">
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<meta name="theme-color" content="#ab8c73">
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<meta name="twitter:card" content="summary_large_image">
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<link rel="icon" type="image/png" href="favicon.png">
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<meta property="og:author" content="ucsd.edu"/>
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<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<style type="text/css">
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:root {color-scheme: dark;
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accent-color: #87f974;}
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body {
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color: #314422;
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background-color: #abcdef;
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margin: 0;
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padding: 0;
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font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
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font-family: 'Comic Sans MS', 'Chalkboard SE', 'Comic Neue', cursive;
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}
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#div {
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width: 600px;
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margin: 1in auto;
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padding: 2em;
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background-color: #ebfbab;
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color: #434231;
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border-radius: 0.5em;
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}
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a:link, a:visited {
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color: cyan;
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text-decoration: none;
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}
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@media (max-width: 700px) {
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#div {
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margin: 0 auto;
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width: auto;
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}
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}
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td {
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text-shadow: 5px 0 5px white, -5px 0 5px white, 0 -10px 5px white;
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}
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img {
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max-width: 100%;
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}
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</style>
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</head>
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<body>
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<div id="div">
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<h1>vocal</h1>
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<p>click to start</p>
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<script>
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const context = new AudioContext()
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let audioCtx = context
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async function tryAudio () {
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try {
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if (context.state === 'suspended') {
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console.log('trying to resume')
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// 100ms timeout
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await Promise.race([context.resume(), new Promise(resolve => setTimeout(resolve, 100))])
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console.log('resume resolved', context.state)
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}
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} catch {
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}
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if (context.state === 'running') {
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// const audio = new Audio('./ass/ets/substantial.mp3')
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// audio.play().catch(console.error)
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audioReady()
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return
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}
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window.requestAnimationFrame(tryAudio)
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}
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async function audioReady () {
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// load impulse response from file
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console.log('audioReady')
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//
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const osc = audioCtx.createOscillator();
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// Generate a Liljencrants-Fant-like waveform
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const harmonics = 50; // Number of harmonics
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const real = new Float32Array(harmonics);
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const imag = new Float32Array(harmonics);
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for (let i = 1; i < harmonics; i++) {
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real[i] = Math.sin(Math.PI * i / harmonics); // Emphasize lower harmonics
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imag[i] = -0.5 * Math.cos(Math.PI * i / harmonics); // Asymmetry in phase
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}
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const wave = audioCtx.createPeriodicWave(real, imag, { disableNormalization: false });
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osc.setPeriodicWave(wave);
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osc.connect(audioCtx.destination);
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// osc.start();
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const sampleRate = audioCtx.sampleRate;
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const f0 = 150; // Fundamental frequency (Hz)
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const T0 = 1 / f0;
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const frameCount = Math.floor(sampleRate * T0);
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// 1. Create Rosenberg pulse data
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const pulseData = new Float32Array(frameCount);
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const openPhase = Math.floor(0.4 * frameCount);
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const closePhase = Math.floor(0.6 * frameCount);
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for (let i = 0; i < frameCount; i++) {
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if (i < openPhase) {
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pulseData[i] = 0.5 * (1 - Math.cos((Math.PI * i) / openPhase)); // Rise
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} else if (i < closePhase) {
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pulseData[i] = 1.0; // Open steady
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} else {
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const t = (i - closePhase) / (frameCount - closePhase);
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pulseData[i] = 0.5 * (1 + Math.cos(Math.PI * t)); // Fall
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}
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}
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// 2. Render a buffer in OfflineAudioContext
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const offlineCtx = new OfflineAudioContext(1, frameCount, sampleRate);
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const buffer = offlineCtx.createBuffer(1, frameCount, sampleRate);
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buffer.copyToChannel(pulseData, 0);
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// Create a source and play it in offline context
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const tempSource = offlineCtx.createBufferSource();
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tempSource.buffer = buffer;
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tempSource.connect(offlineCtx.destination);
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tempSource.start();
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// 3. Render and use it in the real AudioContext
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const renderedBuffer =await offlineCtx.startRendering()//.then(renderedBuffer => {
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const source = audioCtx.createBufferSource();
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// source.buffer = renderedBuffer;
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source.buffer = await context.decodeAudioData(await fetch('./ass/ets/microwave-schwa.wav').then(r=>r.arrayBuffer()));
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source.loop = true;
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// source.connect(audioCtx.destination);
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source.start();
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const gainNode = context.createGain()
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const filter1 = context.createBiquadFilter()
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filter1.type = 'peaking'
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filter1.frequency.value = 200;
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// filter1.frequency.value = 200;
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filter1.gain.value = 20;
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const filter2 = context.createBiquadFilter()
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filter2.type = 'peaking'
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filter2.frequency.value = 500;
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// filter2.frequency.value = 500;
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filter2.gain.value = 20;
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setTimeout(() => {
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// filter1.frequency.linearRampToValueAtTime(900, context.currentTime + 1)
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// filter2.frequency.linearRampToValueAtTime(2300, context.currentTime + 1)
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}, 1000)
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setInterval(() => {
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console.log('change')
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// https://en.wikipedia.org/wiki/Formant#Phonetics
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// filter1.frequency.linearRampToValueAtTime(240, context.currentTime + 1)
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// filter2.frequency.linearRampToValueAtTime(2400, context.currentTime + 1)
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// eeee
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source.detune.setValueAtTime(0, context.currentTime + 0)
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gainNode.gain.setValueAtTime(1, context.currentTime+ 0.0)
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filter1.frequency.setValueAtTime(240, context.currentTime)
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filter2.frequency.setValueAtTime(2400, context.currentTime)
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gainNode.gain.setValueAtTime(0, context.currentTime+ 0.4)
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// ahhh
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// source.detune.setValueAtTime(200, context.currentTime + 0.5)
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gainNode.gain.setValueAtTime(1, context.currentTime+ 0.5)
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filter1.frequency.setValueAtTime(585, context.currentTime+ 0.5)
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filter2.frequency.setValueAtTime(1710, context.currentTime+ 0.5)
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// ahh--eee
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filter1.frequency.setValueAtTime(585, context.currentTime+ 0.6)
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filter2.frequency.setValueAtTime(1710, context.currentTime+ 0.6)
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filter1.frequency.linearRampToValueAtTime(240, context.currentTime + 0.9)
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filter2.frequency.linearRampToValueAtTime(2400, context.currentTime + 0.9)
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gainNode.gain.setValueAtTime(0, context.currentTime+ 1)
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source.detune.setValueAtTime(-200, context.currentTime + 1.1)
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gainNode.gain.setValueAtTime(1, context.currentTime+ 1.1)
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filter1.frequency.setValueAtTime(240, context.currentTime + 1.1)
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filter2.frequency.setValueAtTime(2400, context.currentTime + 1.1)
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gainNode.gain.setValueAtTime(0, context.currentTime+ 1.5)
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// source.detune.setValueAtTime(200, context.currentTime + 1.6)
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gainNode.gain.setValueAtTime(1, context.currentTime+ 1.6)
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filter1.frequency.setValueAtTime(585, context.currentTime+ 1.6)
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filter2.frequency.setValueAtTime(1710, context.currentTime+ 1.6)
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// ahh--eee
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filter1.frequency.setValueAtTime(585, context.currentTime+ 1.7)
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filter2.frequency.setValueAtTime(1710, context.currentTime+ 1.7)
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filter1.frequency.linearRampToValueAtTime(240, context.currentTime + 2.0)
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filter2.frequency.linearRampToValueAtTime(2400, context.currentTime + 2.0)
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gainNode.gain.setValueAtTime(0, context.currentTime+ 2.1)
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source.detune.setValueAtTime(-400, context.currentTime + 2.2)
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gainNode.gain.setValueAtTime(1, context.currentTime+ 2.2)
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filter1.frequency.setValueAtTime(360, context.currentTime+ 2.2)
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filter2.frequency.setValueAtTime(640, context.currentTime+ 2.2)
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filter1.frequency.setValueAtTime(360, context.currentTime+ 2.3)
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filter2.frequency.setValueAtTime(640, context.currentTime+ 2.3)
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filter1.frequency.linearRampToValueAtTime(250, context.currentTime + 2.6)
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filter2.frequency.linearRampToValueAtTime(595, context.currentTime + 2.6)
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gainNode.gain.setValueAtTime(0, context.currentTime+ 3.3)
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}, 3500)
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source.connect(gainNode);
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gainNode.connect(filter1);
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filter1.connect(filter2);
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filter2.connect(audioCtx.destination);
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// });
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console.log(filter1)
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}
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tryAudio()
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</script>
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</div>
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</body>
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</html>

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