Maybe we all know what is white light, a light that is made up of all different colors (frequencies) of light combine together. To make it back into its component light color you can use a prism. However, how about white noise? It is a type of noise that produced by combining sounds of all imaginable tones (frequencies) that a human can hear and combine them together.
What’s the benefit of using white noise in our daily life? It can be used effectively to increase the restfulness of sleep and is excellent in calming down fussy newborns. White noise also perfect as a sound masking treatment for Attention Deficit Disorder (ADD/ADHD) and for those who suffering from hyperacusis, tinnitus (ringing in the ears), and other inner ear disorders.
The white-noise machine is perfect for use at home to mask disturbing noises and provide a consistent and unobtrusive sound environment, daycare centers and office to mask private conversation, apartments or any sleep environment. If you are looking for a white-noise machine, you may consider Dohm DS Dual Speed Electro-Mechanical White Noise Machine from Marpac. It offers excellent noise-masking capabilities and a soft comfortable background sound. This mechanical white-noise machine can be operated in two speeds.
[ Via Amazon ]