= Spectral flatness
{wiki=Spectral_flatness}
Spectral flatness is a measure used in signal processing and audio analysis to quantify how flat or noise-like a given spectrum is. It provides insight into the characteristics of a sound signal, differentiating between tonal sounds (like musical notes) and noise-like sounds. \#\#\# Definition: Mathematically, spectral flatness can be defined as the ratio of the geometric mean to the arithmetic mean of the power spectrum of a signal.
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