Tools / Sound Generator

Sound & Frequency Generator

Minimal focus noise and study tones synthesized in the browser with no external audio files.

Web Audio API

Blend clean background sound without leaving the browser.

Layer a broadband focus texture with a study frequency, then mute everything with one smooth master fade.

Starts on first tap No generator selected Master muted

The audio engine starts on the first tap to satisfy browser autoplay rules.

Focus

Choose a background noise profile and shape it with an independent volume control.

Choose a broadband texture for the focus layer.

Noise volume

Independent level for the focus layer.

32%

Study Frequencies

Switch between a pure sine wave and a gentle alpha pulse while tuning the carrier frequency in Hertz.

Enable a single-tone study frequency or the alpha pulse preset.

Frequency

Default carrier: 432 Hz

432 Hz

Exact value

Sweep

Frequency volume

Independent level for the tone generator.

20%