playwhitenoise

Brown Noise

Deep, low and grounding

Plays for

Brown Noise Player

Updated 27 June 2026

Brown noise is a deep, low-frequency sound whose energy falls about 6 dB per octave as pitch rises, giving it a bass-heavy rumble like a steady waterfall or distant thunder. This free player streams seamless, lossless brown noise that loops for as long as you like.

What does brown noise sound like?

Brown noise sounds like a deep, steady roar — a strong waterfall, heavy rain on a roof, or the low rush of a jet engine. Because its energy sits in the low frequencies, it feels warmer and less hissy than white or pink noise, which many people find easier to relax to.

What is brown noise good for?

People use brown noise to fall asleep, to concentrate, and to cover up distracting low sounds like traffic or a humming fridge. Its deep, even tone gives the brain a constant, non-distracting backdrop. Evidence that any noise improves sleep is still limited, so treat it as a relaxation aid, not a treatment.

Brown vs white vs pink noise

Brown noise is the deepest of the three, with the highs rolled off; white noise is bright and even across every frequency; pink noise sits in between, balanced and soft like steady rain. If white noise feels too harsh or hissy, brown is usually the calmer choice.

White vs pink vs brown noise

NoiseWhat it sounds likeBest for
White noiseBright, even hiss across every frequencyMasking sudden sounds; offices; babies
Pink noiseSoft and balanced, like steady rainRelaxing and deeper sleep
Brown noiseDeep, warm rumble with the highs rolled offSleep, focus, low-rumble masking

Frequently asked questions

Is brown noise good for sleep?

Many people find brown noise relaxing for sleep because its deep, steady tone masks disruptive sounds. Formal evidence is limited — a 2020 review of 38 studies found only weak support that continuous noise improves sleep — so use it as a comfort aid and keep the volume low.

Is brown noise better than white noise?

Neither is universally better. Brown noise is deeper and warmer and is often preferred for sleep and focus, while white noise is brighter and better at masking sudden high-pitched sounds. Try both and keep whichever fades into the background fastest for you.

Is it safe to play brown noise all night?

At a low, comfortable volume it is generally considered safe for adults. Keep it quiet — roughly conversational level or below — and lower it further if you use headphones overnight.

Does the brown noise loop without gaps?

Yes. The audio is a lossless, seamless loop, so it plays continuously with no click or pause at the loop point for as long as you leave it running.