Improvements in Factor Analysis Based Speaker Verification

@article{Kenny2006ImprovementsIF,
  title={Improvements in Factor Analysis Based Speaker Verification},
  author={Patrick Kenny and Gilles Boulianne and Pierre Ouellet and Pierre Dumouchel},
  journal={2006 IEEE International Conference on Acoustics Speech and Signal Processing Proceedings},
  year={2006},
  volume={1},
  pages={I-I}
}
We present the results of speaker verification experiments conducted on the NIST 2005 evaluation data using a factor analysis of speaker and session variability in 6 telephone speech corpora distributed by the Linguistic Data Consortium. We demonstrate the effectiveness of zt-norm score normalization and a new decision criterion for speaker recognition which can handle large numbers of t-norm speakers and large numbers of speaker factors at little computational cost. The best result we obtained… CONTINUE READING
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