An information-theoretic perspective on feature selection in speaker recognition

Thomas Eriksson, Samuel Kim, Hong Goo Kang, Chungyong Lee

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

This letter studies feature selection in speaker recognition from an information-theoretic view. We closely tie the performance, in terms of the expected classification error probability, to the mutual information between speaker identity and features. Information theory can then help us to make qualitative statements about feature selection and performance. We study various common features used for speaker recognition, such as mel-warped cepstrum coefficients and various parameterizations of linear prediction coefficients. The theory and experiments give valuable insights in feature selection and performance of speaker-recognition applications.

Original languageEnglish
Pages (from-to)500-503
Number of pages4
JournalIEEE Signal Processing Letters
Volume12
Issue number7
DOIs
Publication statusPublished - 2005 Jul 1

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Electrical and Electronic Engineering
  • Applied Mathematics

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