pink noise

pink noise (uncountable)

1. A signal or process with a frequency spectrum such that the spectral energy density is proportional to the reciprocal of the frequency ${\displaystyle (1/f)}$.
   • 2005, John G. Holden, Gauging the Fractal Dimension of Response Times from Cognitive Tasks‎^[1]:

     It was Gilden, Thorton, and Mallon (1995) who first reported pink noise in response time variability during the fundamentally cognitive task of estimating fixed intervals of time.

• 1/f noise
• flicker noise

• white noise, red noise, blue noise, violet noise, grey noise

• pink noise on Wikipedia.Wikipedia