Avvia audio
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Audio Level Meter
Microphone input level in dBFS — tap Avvia to grant permission.
Microphone access starts only when you click Avvia. Levels are dBFS, not calibrated SPL.
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How to use
Adjust settings
Use sliders and controls to set frequency, volume, and waveform. Changes apply in real time.
Export or share
Scarica a WAV file or copy a share link. All processing stays on your device.
Frequently asked questions
Is this a calibrated SPL meter?
No. Browser mic levels are relative (dBFS).