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Noise Generator

White, pink, and brown noise for focus or sleep.

White is flat across the spectrum. Pink rolls off the highs. Brown rolls off even more, sounds like a steady rumble.

About

Generates continuous noise of three types. White noise is flat across all frequencies. Pink noise rolls off the high end and sounds softer. Brown noise rolls off even more and sounds like a steady rumble. All run forever in your browser.

How to use

  1. Pick a noise type.
  2. Adjust volume.
  3. Hit play.

FAQ

Which noise is best for sleep?+

Most people find pink or brown noise more pleasant than white. White can sound harsh after a while because it has the same energy at every frequency.

Does it use bandwidth while playing?+

No. Noise is generated locally by Web Audio. After the page loads, you can be offline and it keeps playing.