brown noise

What is the difference between sound colors and why green noise is best?

What is the difference between sound colors and why green noise is best?
There is a lot of information about the differences between all the sound colors: white noise, green noise, pink noise, brown noise, etc. 

What sound color is better for me?

This infographic is a great tool to understand the differences between white, pink, brown, green noise, etc. 


White noise, black noise, brown noise, green noise, and pink noise are all different types of sound frequencies with varying characteristics.

  • White noise contains all frequencies at equal intensity, and it's often used to mask other sounds.
  • Black noise, on the other hand, is characterized by a greater intensity at lower frequencies and a rapid decrease in intensity as frequency increases.
  • Brown noise, also known as red noise, has a greater intensity at even lower frequencies than black noise and is often likened to the sound of a heavy waterfall.
  • Green noise has more intensity at the mid-range frequencies and less at the low and high ends, similar to the way green light is in the middle of the visible spectrum.
  • Pink noise has equal power in each octave and is often used in music production and sound engineering for its balanced frequency spectrum.

Each type of noise has specific applications in various fields such as sound engineering, psychology, and even relaxation techniques.

Many people use white noise (the most popular) to block out ambient sounds and help them sleep better. Other “colors” of sound, such as pink, brown, and green, are also being touted as helpful for sleep. While research into the effects of green noise on sleep is limited, it is gaining popularity on social media as a useful tool to help people fall asleep faster.

The conclusion is that how the sounds affect people's sleep is subjective. It depends on things like ear sensitivity, type of living area (urban, rural, noisy, etc.) and personal preference. Dr. Singh states, “Ultimately, the choice of colored noise for sleep depends on personal preference and the specific sleep-related issues an individual faces. Experimenting with different types of colored noise can help determine which one is most effective for promoting relaxation and improving sleep quality.”

We believe that sounds originated from nature are the best as they take us back to where we belong as human beings. 

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