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Speaker Identification Through Natural and Whisper Speech Signal

  • Amrita Singh
  • Amit M. JoshiEmail author
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 546)

Abstract

The paper presents the identification of a speaker with the help of natural and whisper speech signal. The speaker identification through whisper is also useful in cases where the speaker is unable to speak, or speaker wants to hide his/her identity. However, the changes in whispering speech due to the vocal effort have several challenges in maintaining system accuracy. The accuracy of speaker identification is calculated with Mel Frequency Cepstral Coefficient (MFCC) algorithm and Exponential Frequency Cepstral Coefficient (EFCC) algorithm. MFCC and EFCC are considered for feature extraction. All the samples are clustered using K-means algorithm and Gaussian Mixture Model for feature classification. GMM is containing mean, variance, and weight which are modeling parameters. Here Expectation–Maximization algorithm is used for testing the samples and reestimate the parameters. Finally, GMM algorithm recognizes the speaker that exactly matches for a given database. The algorithms are implemented on MATLAB tool, and the results are also verified.

Keywords

EFCC GMM MFCC Feature extraction K-means 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Malaviya National Institute of Technology JaipurJaipurIndia

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