Pink noise
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 Pink noise (left) and white noise (right) on an FFT spectrogram with linear frequency vertical axis (on a typical audio or similar spectrum analyzer the pink noise would be flat, not downward-sloping, and the white noise rising) |
Pink noise or 1/ƒ noise (sometimes also called flicker noise) is a signal or process with a frequency spectrum such that the power spectral density (energy or power per Hz) is inversely proportional to the frequency. In pink noise, each octave carries an equal amount of noise power. The name arises from the pink appearance of visible light with this power spectrum.
- See also: Wikipedia
- Related: Architectural acoustics, Audio signal processing, Brownian noise, White noise, Colors of noise, Crest factor, Fractal, Flicker noise, Johnson–Nyquist noise, Noise (physics), Quantum 1/f noise, Self-organised criticality, Shot noise, Sound masking, Statistics
| Powernoise: Matlab software for generating 1/ƒ noi... Powernoise: Matlab software for generating 1/ƒ noise, or more generally, 1/ƒα noise www.maxlittle.net/software/ - Web |
| A Bibliography on 1/ƒ Noise A Bibliography on 1/ƒ Noise www.nslij-genetics.org/wli/1fnoise/ - Web |
| 1/f noise at Scholarpedia 1/f noise at Scholarpedia www.scholarpedia.org/article/1/f_noise - Web |
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