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HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link
rel="icon"
href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>🔉</text></svg>"
/>
<title>How to add effects to audio</title>
</head>
<body>
<h1>How to add effects to audio</h1>
<button type="button">Press to hear audio effect</button>
</body>
</html>
CSS
:root {
color-scheme: dark light;
}
html {
box-sizing: border-box;
}
*,
*:before,
*:after {
box-sizing: inherit;
}
body {
margin: 1rem;
font-family: system-ui, sans-serif;
}
JS
const button = document.querySelector('button');
button.addEventListener('click', () => {
const audioCtx = new (window.AudioContext || window.webkitAudioContext)();
const oscillator = audioCtx.createOscillator();
oscillator.type = 'sine';
// Value is in hertz.
oscillator.frequency.setValueAtTime(420, audioCtx.currentTime);
const biquadFilter = audioCtx.createBiquadFilter();
biquadFilter.type = 'lowpass';
biquadFilter.frequency.setValueAtTime(200, audioCtx.currentTime + 1);
oscillator.connect(biquadFilter);
biquadFilter.connect(audioCtx.destination);
oscillator.start();
oscillator.stop(2);
});
Kecuali dinyatakan lain, konten di halaman ini dilisensikan berdasarkan Lisensi Creative Commons Attribution 4.0, sedangkan contoh kode dilisensikan berdasarkan Lisensi Apache 2.0. Untuk mengetahui informasi selengkapnya, lihat Kebijakan Situs Google Developers. Java adalah merek dagang terdaftar dari Oracle dan/atau afiliasinya.
Terakhir diperbarui pada 2023-09-26 UTC.
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{
"lastModified": "Terakhir diperbarui pada 2023-09-26 UTC.",
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}