modulation.signal_utilities.noise_generation.gaussian_noise.pink_noise¶

modulation.signal_utilities.noise_generation.gaussian_noise.pink_noise(length: int, seed: Optional[int] = None) → ndarray[source]¶

Pink noise.

Parameters

length – Amount of samples.
seed (numpy.random.RandomState) – State of PRNG.

Pink noise has equal power in bands that are proportionally wide. Power density decreases with 3 dB per octave.