Sound is used to drown out background noise, allowing people to sleep peacefully. These arbitrary mixtures of audible frequencies, ranging from white noise to pink noise to brown noise, have been shown to be an effective way of lulling a person to sleep. TikTok’s new white noise is brown noise.
So, what exactly is the big deal? Continue reading to learn more about this!
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What Exactly Is It?
It is also known as Brownian noise or red noise, emphasises sounds with lower frequencies. When compared to white and pink noise, this one has the greatest intensity.
What is the origin of the term “brown noise?”
You may remember from elementary school that the frequency of a sound affects the colour of the sound it produces. Low-frequency sounds, like low-frequency visible light. They are represented by the colour red, for example. However, this type of noise, on the other hand, is referred to as “brown” due to its resemblance to Brownian motion.
This is like white noise, includes all frequencies equally. This means that lower-pitched sounds are louder than higher-pitched sounds.
This has a more calming effect than white noise, which can be jarring for some people. It includes sounds such as crashing waves, torrential downpours, and powerful waterfalls.
What Makes It Different From White and Pink Noise?
Pink noise, on the other hand, sounds more like wind blowing through trees, waves lapping at the shore, or even light rain.
In the absence of conclusive evidence to the contrary, it appears safe to conclude that white noise is more stable than pink noise.
“Brown noise has fewer high frequencies than white or pink noise, and you’ll recognise it as a lower sound,” explains Anahita Mehta, a sound pitch researcher at the Kresge Hearing Research Institute at the University of Michigan. Two examples are the low roar of a breaking wave and the rolling of thunder.
Brown noise’s advantages
Many people have promoted brown noise as a stress reliever. “Brown noise that mimics the sound of crashing waves may help some people relax; if this is the case, keep the volume low. However, there is little evidence to support the claim that exposure to brown noise can reduce anxiety.”
We can only speculate because there is very little evidence that this frequency has any effect. Despite the growing interest in the benefits of brown noise, these are the few benefits that can be inferred from studies on small groups of people.
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