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Table 2 Multivariate distribution candidates considered for experimental setup

From: Speech signal modeling using multivariate distributions

PDF class

Candidates

Description

Copula-based PDF

CLD

Copula-based distribution with marginal Laplace distribution.

CLID

Copula-based distribution with mutually independent marginal Laplace distribution.

CGevD

Copula-based distribution with marginal GEV distribution.

CRD

Copula-based distribution with marginal Rayleigh distribution.

CGD

Copula-based distribution with marginal Gamma distribution.

Conventional PDF

MGD

Multivariate Gaussian distribution.

MLD

Multivariate Laplace distribution.

MGLD, p = 0.25

Multivariate Gaussian–Laplace distribution.

MGLD, p = 0.50

Multivariate Gaussian–Laplace distribution.

MGLD, p = 0.75

Multivariate Gaussian–Laplace distribution.