An Improved MMSE Amplitude Estimator under Generalized Gamma Distribution Based on Auditory Perception

An Improved MMSE Amplitude Estimator under Generalized Gamma Distribution Based on Auditory Perception

This paper describes a new speech enhancement approach which employs the minimum mean square error (MMSE) estimator based on the generalized gamma distribution of the short-time spectral amplitude (STSA) of a speech signal. In the proposed approach, the human perceptual auditory masking effect is in...

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Main Authors: Chabane Boubakir, Daoud Berkani
Format: Article
Language:English
Published: Hindawi Limited 2013-01-01
Series:Mathematical Problems in Engineering
Online Access:http://dx.doi.org/10.1155/2013/821760
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spelling doaj-a7b6fcfa03c84b6a9e1e568eebeec99a2020-11-24T22:43:10ZengHindawi LimitedMathematical Problems in Engineering1024-123X1563-51472013-01-01201310.1155/2013/821760821760An Improved MMSE Amplitude Estimator under Generalized Gamma Distribution Based on Auditory PerceptionChabane Boubakir0Daoud Berkani1Department of Electronics, Lamel Laboratory, University of Jijel, P.O. Box 98, Ouled Aissa, 18000 Jijel, AlgeriaDepartment of Electronics, Signal and Communications Laboratory, National Polytechnic School, 10 Avenue Hassen Badi, P.O. Box 182, 16200 El-harrach, AlgeriaThis paper describes a new speech enhancement approach which employs the minimum mean square error (MMSE) estimator based on the generalized gamma distribution of the short-time spectral amplitude (STSA) of a speech signal. In the proposed approach, the human perceptual auditory masking effect is incorporated into the speech enhancement system. The algorithm is based on a criterion by which the audible noise may be masked rather than being attenuated, thereby reducing the chance of speech distortion. Performance assessment is given to show that our proposal can achieve a more significant noise reduction as compared to the perceptual modification of Wiener filtering and the gamma based MMSE estimator.http://dx.doi.org/10.1155/2013/821760
collection DOAJ
language English
format Article
sources DOAJ
author Chabane Boubakir
Daoud Berkani
spellingShingle Chabane Boubakir
Daoud Berkani
An Improved MMSE Amplitude Estimator under Generalized Gamma Distribution Based on Auditory Perception
Mathematical Problems in Engineering
author_facet Chabane Boubakir
Daoud Berkani
author_sort Chabane Boubakir
title An Improved MMSE Amplitude Estimator under Generalized Gamma Distribution Based on Auditory Perception
title_short An Improved MMSE Amplitude Estimator under Generalized Gamma Distribution Based on Auditory Perception
title_full An Improved MMSE Amplitude Estimator under Generalized Gamma Distribution Based on Auditory Perception
title_fullStr An Improved MMSE Amplitude Estimator under Generalized Gamma Distribution Based on Auditory Perception
title_full_unstemmed An Improved MMSE Amplitude Estimator under Generalized Gamma Distribution Based on Auditory Perception
title_sort improved mmse amplitude estimator under generalized gamma distribution based on auditory perception
publisher Hindawi Limited
series Mathematical Problems in Engineering
issn 1024-123X
1563-5147
publishDate 2013-01-01
description This paper describes a new speech enhancement approach which employs the minimum mean square error (MMSE) estimator based on the generalized gamma distribution of the short-time spectral amplitude (STSA) of a speech signal. In the proposed approach, the human perceptual auditory masking effect is incorporated into the speech enhancement system. The algorithm is based on a criterion by which the audible noise may be masked rather than being attenuated, thereby reducing the chance of speech distortion. Performance assessment is given to show that our proposal can achieve a more significant noise reduction as compared to the perceptual modification of Wiener filtering and the gamma based MMSE estimator.
url http://dx.doi.org/10.1155/2013/821760
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AT daoudberkani animprovedmmseamplitudeestimatorundergeneralizedgammadistributionbasedonauditoryperception
AT chabaneboubakir improvedmmseamplitudeestimatorundergeneralizedgammadistributionbasedonauditoryperception
AT daoudberkani improvedmmseamplitudeestimatorundergeneralizedgammadistributionbasedonauditoryperception
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