Identify Mystery Noises in Recordings

Find what frequency unwanted noise lives at so you can target it with an EQ.

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Noise ID tips

🔍

Play a recording with an unwanted noise. Watch the spectrum during the noise vs during silence — the difference reveals the noise's frequency.

💡

Common offenders: 50/60 Hz electrical hum (line frequency), HVAC at 100-300 Hz, fluorescent lights at high pitch.

🎯

Once you find the noise frequency, use a notch filter in your audio editor at that exact frequency to surgically remove it.

🔒

All audio processing happens in your browser via Web Audio API. Your recordings never upload anywhere.

Sisesta

Enter your data into the tool above. Everything stays local to your browser.

Töötle

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

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Get your result instantly. Nothing is stored after you leave the page — complete privacy.

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