A Hierarchical Framework Approach for Voice Activity Detection and Speech Enhancement

Accurate and effective voice activity detection (VAD) is a fundamental step for robust speech or speaker recognition. In this study, we proposed a hierarchical framework approach for VAD and speech enhancement. The modified Wiener filter (MWF) approach is utilized for noise reduction in the speech e...

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Bibliographic Details
Main Authors: Yan Zhang, Zhen-min Tang, Yan-ping Li, Yang Luo
Format: Article
Language:English
Published: Hindawi Limited 2014-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1155/2014/723643