White noise is one of the most popular new developments in acoustics, commonly used by people. The Internet has become flooded with advertisements of white noise products. The efficiency of white sound to provide a calm environment seems to be the most important factor behind its acceptance among people.

It may seem strange that the term ‘white', the name of a color, is associated with noise. The white in ‘white sound' implies the characteristic property of the white sound to include all wavelengths. Likewise, white noise is the blend of sounds in all frequencies. Technically speaking, white sound is the sound signals with a flat spectrum. However, human ears will perceive white noise as a soothing sound, which is its potential benefit. Noise pollution has become a necessary evil in the metropolitan environment. The sounds from different sources will certainly create annoyance for anyone. And, if the living is near by a busy road or noise loving neighbor, the condition can become worse. A potential solution for noise is inevitable since if left may manifest physical and emotional stress, which will lead to many serious diseases. White noise is projected as a better alternative for common noise reduction techniques since white noise is also a potential relaxing technique.

White noise has the benefits of cutting off the unnecessary sound through the process of imbibing the other frequencies. It is recommended as a permanent solution for noise pollution since it will induce an auditory habituation. The white noise sound is soothing and may be like the sound of a stream, rain, radio static or train. While using white noise you can hear only the pleasant sounds from the white noise products.

White noise is available in the form of commercial products such as CDs. White noise CDs and white noise generators are the two main white noise products in the market. The white noise generators, which will produce white noise is offered in two main types such as desktops or earpieces. The sound of many home appliances also resembles white noise, although not as effective.

White noise is commonly used for the treatments of the persons having problem with hearing such as tinnitus or hyperacusis. It is a recommended option for alleviating the difficulties of baby colic children, as it can attribute the effect of being in the womb. White noise is also a suggested remedy for insomnia patients and other persons, who have any other discomfort regarding relaxation and sleeping. Architectural acoustics make use of white noise to block unnecessary frequencies. White noise is also being used in technical purposes to check the frequency mix in a venue.

However, now white noise has acquired the acceptance in all classes of people as a trusted source to satisfy the needs of a soothing sound. It is believed that white noise will stimulate the cells and attribute a positive out look in the attitude of the people using it.