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Added echo feedback loop to STFU audio effect (works better, and more… #2

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Added echo feedback loop to STFU audio effect (works better, and more… #2

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49 changes: 35 additions & 14 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -43,20 +43,41 @@
<div class="text">STFU</div>
<div class="hint">tap to shut them up</div>
<script>
document.body.addEventListener('click', async () => {
const audioContext = new AudioContext();
const mediaStream = await navigator.mediaDevices.getUserMedia({ audio: true });
const source = audioContext.createMediaStreamSource(mediaStream);
const delayNode = audioContext.createDelay(5);
const gainNode = audioContext.createGain();
delayNode.delayTime.value = 2;
gainNode.gain.value = 0.8;
source.connect(delayNode);
delayNode.connect(gainNode);
gainNode.connect(audioContext.destination);
document.querySelector('.hint').style.display = 'none';
}, { once: true });
document.body.addEventListener('click', async () => {
const audioContext = new AudioContext();

const mediaStream = await navigator.mediaDevices.getUserMedia({ audio: true });
const source = audioContext.createMediaStreamSource(mediaStream);

// Gain nodes
const masterGain = audioContext.createGain();
const echoGain = audioContext.createGain();

// Delay node
const delay = audioContext.createDelay(5);

// SETTINGS
delay.delayTime.value = 1.0; // 1 second interval
echoGain.gain.value = 0.4; // controls echo decay
masterGain.gain.value = 2.0; // 200% volume

// Dry signal (original voice)
source.connect(masterGain);

// Echo loop
source.connect(delay);
delay.connect(echoGain);
echoGain.connect(delay);

// Send echo to output
delay.connect(masterGain);

// Output
masterGain.connect(audioContext.destination);

document.querySelector('.hint').style.display = 'none';
}, { once: true });
</script>
</body>

</html>
</html>