Ambient noise refers to the background noise that can be heard in a particular environment. Synonyms for ambient noise include background noise, environmental noise, white noise, atmospheric noise, and surrounding noise. White noise is a type of ambient noise that contains sound waves from different frequencies at equal intensity, providing a soothing effect that can help people concentrate or sleep. Atmospheric noise is the natural background noise created by electromagnetic radiation from sources such as electrical storms, while surrounding noise simply refers to the noise around one's immediate surroundings. All of these synonyms can be used interchangeably with ambient noise, depending on the context in which they are used.