Text-dependent Speaker Recognition using Wavelets and Neural Networks

Authors:
Chee Peng Lim;Siew Chan Woo
Affiliations:
University of Science Malaysia, School of Electrical and Electronic Engineering, Engineering Campus, 14300, Nibong Tebal, Penang, Malaysia;University of Science Malaysia, School of Electrical and Electronic Engineering, Engineering Campus, 14300, Nibong Tebal, Penang, Malaysia
Venue:
Soft Computing - A Fusion of Foundations, Methodologies and Applications
Year:
2007

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Feature extracted from wavelet decomposition using biorthogonal Riesz basis for text-independent speaker recognition

Pattern Recognition

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Abstract

An intelligent system for text-dependent speaker recognition is proposed in this paper. The system consists of a wavelet-based module as the feature extractor of speech signals and a neural-network-based module as the signal classifier. The Daubechies wavelet is employed to filter and compress the speech signals. The fuzzy ARTMAP (FAM) neural network is used to classify the processed signals. A series of experiments on text-dependent gender and speaker recognition are conducted to assess the effectiveness of the proposed system using a collection of vowel signals from 100 speakers. A variety of operating strategies for improving the FAM performance are examined and compared. The experimental results are analyzed and discussed.