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Table 1 Proposed super-Gaussian univariate distribution of speech signal in different domains

From: Speech signal modeling using multivariate distributions

Domain

Fitted distribution

Time

Laplace [14]

Jointly amplitude and phase of DFT

Complex Laplace [17]

Amplitude of DFT

Rayleigh [18]

Real and imaginary parts of DFT

Laplace, Gamma [6], or generalized Gamma [7]

DCT

Laplace [14]