Frequency Sweep

Parametric frequency sweep for speaker and hearing checks.

40%

Controls in-browser output level. Use your device volume keys for overall loudness.

Uses for frequency sweeps

Identify resonances, dead spots, and hearing limits. Speaker testers sweep while listening for buzzes or dropouts.

Scheduling

Sweep timing uses Web Audio exponential ramps — smooth frequency changes without clicks at moderate volume.

Privacy

Audio is processed locally in your browser. Nothing is uploaded to our server.

How to use

Start audio

Tap Play or press Space. Your browser requires a gesture before audio can play.

Adjust settings

Use sliders and controls to set frequency, volume, and waveform. Changes apply in real time.

Export or share

Download a WAV file or copy a share link. All processing stays on your device.

Frequently asked questions

What sweep curve is used?

Exponential ramp when both endpoints are positive.