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Impulsivity estimates of mixtures of the power exponential distrubutions in speech modeling
Impulsivity estimates of mixtures of the power exponential distrubutions in speech modeling
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机译:语音建模中幂指数分布的混合的冲动估计
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摘要
A parametric family of multivariate density functions formed by mixture models from univariate functions of the type exp(−|x|&bgr;) for modeling acoustic feature vectores are used in automatic recognition of speech. The parameter &bgr; is used to measure the non-Gaussian nature of the data. &bgr; is estimated from the input data using a maximum likelihood criterion. There is a balance between &bgr; and the number of data points that must be satisfied for efficient estimation.
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