Maximum Likelihood Estimation of Power-Spectrum of Speech Signals with Additive White Noise

Kazuhiko OZEKI  

IEICE TRANSACTIONS (1976-1990)   Vol.E69   No.11   pp.1153-1156
Publication Date: 1986/11/25
Online ISSN: 
Print ISSN: 0000-0000
Type of Manuscript: LETTER
Category: Signal Processing and Theory

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This letter describes a method to estimate the power-spectrum of speech signals with additive white noise, based on the maximum likelihood principle and numerical maximization of the likelihood function. Some examples of the estimated spectral patterns for Japanese vowels are presented.