Speech enhancement based on perceptual loudness and statistical models of speech

Wei Zhang
This dissertation is concerned with speech enhancement based on the statistical and loudness models. We will study the field of speech enhancement with the objective of improving the quality of speech signals in noisy environments. First, speech enhancement based on the Laplacian model for speech signais is reviewed. The performance is shown to be limited by the accuracy of the Laplacian parameter estimation in the noisy environment. A recursive version is proposed to estimate the...
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