Redirected from Pink noise
In particilar, there is equal energy in all octaves. In terms of power at a constant bandwidth, 1/f noise falls off at -3dB per octave.
1/f noise is found in a wide variety of physical phenomena. Examples include electronic devices, financial markets, astronomy, and human coordination.
The human auditory system, which uses a roughly logarithmic concept of frequency, perceives equal magnitude at all frequencies.
Graphic equalizers[?] also divide signals into bands logarithmically and report power by octaves; audio engineers put pink noise through a system to test whether it has a flat frequency response in the useful spectrum.
This is a stub. If you know much about the characteristics or applications of pink noise, feel free to fix it.
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