Volume 12, Issue 2 (9-2015)
JSDP 2015, 12(2): 97-107 |
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Speech Enhancement Using MMSE Estimator Based on Mixture of laplacian. JSDP 2015; 12 (2) :97-107
URL: http://jsdp.rcisp.ac.ir/article-1-54-en.html
URL: http://jsdp.rcisp.ac.ir/article-1-54-en.html
Abstract: (7382 Views)
In this paper an estimator of speech spectrum for speech enhancement based on Laplacian Mixture Model has been proposed. We present an analytical solution for estimating the complex DFT coefficients with the MMSE estimator when the clean speech DFT coefficients are mixture of Laplacians distributed. The distribution of the DFT coefficients of noise are assumed zero-mean Gaussian.The drived MMSE estimator is non-linear and it was shown that this estimator performs better than estimators which are based on Gaussian and Laplacin model
Type of Study: Research |
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Paper
Received: 2013/06/3 | Accepted: 2015/08/4 | Published: 2015/09/30 | ePublished: 2015/09/30
Received: 2013/06/3 | Accepted: 2015/08/4 | Published: 2015/09/30 | ePublished: 2015/09/30
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