Pink noise sounds less harsh than white noise because humans don’t hear linearly. We hear in octaves, or the doubling of a frequency band, which means we perceive as much sonic space between 30 ...

I asked an audiologist how white, pink, and brown noise influence your brain – and how you can use them to improve sleep, ...

But people have created other colors of noise, although there is less consensus on what many of those colors mean and how they should be used, Berlau said. For instance, violet noise is when the ...