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Multi-feature Fusion for Closed Set Text Independent Speaker Identification

  • Gyanendra K. Verma
Part of the Communications in Computer and Information Science book series (CCIS, volume 141)

Abstract

An intra-modal fusion, a fusion of different features of the same modal is proposed for speaker identification system. Two fusion methods at feature level and at decision level for multiple features are proposed in this study. We used multiple features from MFCC and wavelet transform of speech signal. Wavelet transform based features capture frequency variation across time while MFCC features mainly approximate the base frequency information, and both are important. A final score is calculated using weighted sum rule by taking matching results of different features. We evaluate the proposed fusion strategies on VoxForge speech dataset using K-Nearest Neighbor classifier. We got the promising result with multiple features in compare to separate one. Further, multi-features also performed well at different SNRs on NOIZEUS, a noisy speech corpus.

Keywords

Multi-feature fusion intra-modal fusion speaker identification MFCC wavelet transform K-Nearest Neighbor (KNN) 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Gyanendra K. Verma
    • 1
  1. 1.Indian Institute of Information Technology, Allahabad, JhalwaAllahabadIndia

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