White Noise in ZeroHz

White Noise App for Mac

Equal-intensity sound across all frequencies. The gold standard for blocking distractions and creating a consistent sonic environment.

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No account needed · Free download for Mac

What is it

What is White Noise?

White noise contains all audible frequencies at equal intensity, similar to the sound of TV static or a fan running at full speed. It creates a uniform wall of sound that effectively masks sudden noises, conversations, and environmental disruptions. White noise is the most widely searched and scientifically studied ambient sound type, used in everything from sleep aids to office sound masking systems.

Benefits

Why Use White Noise?

Blocks All Frequencies

Because white noise spans the entire audible spectrum equally, it masks both high-pitched and low-pitched distractions more effectively than any single sound.

Consistent & Predictable

White noise has no variation or pattern, so your brain quickly habituates to it and stops paying attention, letting you focus entirely on your work.

Improves Sleep Quality

White noise reduces the difference between background noise and peak sounds like doors slamming or traffic, helping you fall asleep and stay asleep.

Instant Focus Environment

One click and your acoustic environment is transformed. No playlist selection, no buffering, no ads — just immediate, reliable noise masking.

Use cases

White Noise is Best For

Open-plan offices
Blocking traffic noise
Sleeping in noisy environments
Tinnitus relief
Newborn sleep aid
Concentration during repetitive tasks

Research

The Science Behind White Noise

White noise is the most studied ambient sound in cognitive research. A meta-analysis in Cognitive Therapy and Research found that white noise can improve attention and cognitive performance, particularly for individuals who struggle to focus in quiet environments. Its uniform spectral profile makes it effective at masking a wide range of environmental sounds.

Mix & Match

Perfect Combinations

White Noise + Rain for a softer, more natural feel
White Noise + Ocean for broadband masking with gentle rhythm
White Noise at low volume + any nature sound for subtle background fill

ZeroHz lets you mix multiple sounds with independent volume controls

Try White Noise in ZeroHz

White Noise plus 18+ other ambient sounds, lofi music, and a built-in focus timer. All from your Mac menu bar.

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No account needed · 2hr/day free · macOS only