Answer: White noise is the merging of the audible signal of different frequencies varying from high to low into a single unit. The number of frequencies combined in white noise more than 20,000. It helps in masking the other noise in the environment.
In accordance with the signal, white noise acts as a statistical mode which merges all the signal into one with same intensity which results in the power spectral density being persistent.
E.g.- Any business process of company that requires attention and speedy working such as creating report, presentation can get affected by the white noise in positive or negative manner depending on the person.It might lead to increment or decrement in the cognitive performance of employees.
White noise can be remove by several software present in the market, removing it by the "Noise removal" option from the Effects menu in operating system, etc.
