Sound can be categorized into different colors based on frequency, paralleling the way light is perceived. Higher frequency sounds are high-pitched, while lower frequencies are low-pitched. White noise, familiar to many, consists of all audible frequencies combined, akin to white light encompassing all colors. It serves as soothing background noise, likened to sounds such as TV static or a running fan. Understanding how noise is color-coded can help users choose the most effective sound for sleep hygiene enhancements.
Most people are familiar with 'white noise' machines; just as white light is composed of all the visible colors, white noise incorporates all audible frequencies of sound at once.
The frequency of a sound wave, measured in hertz (Hz), is the number of waves that pass a certain point in one second, influencing how sounds are categorized into colors.
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