Channel / Handset Mismatch Evaluation in a Biometric Speaker Verification Using Shifted Delta Cepstral Features

  • José R. Calvo
  • Rafael Fernández
  • Gabriel Hernández
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4756)


This paper examines the application of Shifted Delta Cepstral (SDC) features in biometric speaker verification and evaluates its robustness to channel/handset mismatch due by telephone handset variability. SDC features were reported to produce superior performance to delta features in cepstral feature based Language Identification systems. The result of the experiment reflects superior performance of SDC features regarding to delta features in biometric speaker verification using speech samples from Ahumada Spanish database.


biometrics speaker verification cepstral features shifted delta cepstral features channel mismatch 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • José R. Calvo
    • 1
  • Rafael Fernández
    • 1
  • Gabriel Hernández
    • 1
  1. 1.Advanced Technologies Application Center, CENATAVCuba

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