What is White Noise?

White Noise is generated by a continuous range of frequencies evenly distributed across the entire hearing spectrum. In healthcare settings, white noise is employed to treat hyperacusis, a heightened sensitivity to normal environmental sounds, or to mask the annoyance caused by tinnitus, a ringing in the ears that occurs without any external stimulus. White noise is also used to obscure background noises in offices or to aid in sleep.

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Pink Noise and Brown Noise variations

Even though all frequencies are produced with equal intensity, White Noise sounds much brighter than one might expect from a spectrally flat noise. This is due to the nature of our hearing, which perceives different frequencies unequally. As a result, people often prefer listening to Pink Noise, a noise that enhances the lower frequency range to counterbalance the unnatural brightness of white noise, or Brown Noise, a noise that places even greater emphasis on the lower frequencies. When the noise precisely compensates for the unique sensitivity curve of human hearing, white noise becomes Grey.

If you find the different colors of 'White' Noise fascinating and want to discover the perfect tone that suits you, check out this excellent and free tool : The White Noise Playlist.

Did you know?

Nowadays, there is a noticeable misuse of the term "white noise" when referring to audio tracks found on the internet. Instead of playing actual white noise, many platforms and websites often play brown noise instead. The reason behind this misuse can be attributed to two factors. Firstly, the term "white noise" has become widely known and used as a catch-all phrase for any type of background noise or soothing sound. Secondly, many individuals prefer the deeper and more relaxing qualities of brown noise over the higher-pitched and sharper sound of true white noise. As a result, brown noise has gained popularity.

Despite being named "white", this generator plays noise in the pink range. This is a compromise between the authentic white noise and the more popular brown setting. Pink noise, as it happens, sits comfortably between the two. I encourage you to explore the presets or experiment with the sliders to discover your preferred setting.

Wider stereophonic field

If you use headphones and pay attention to how sound is positioned in space, consider using Wide noise. It is a modified form of white noise that enables you to adjust the stereo width at various frequencies. By default, it also plays a darker sound similar to brown noise, which is a favorite among many listeners.

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