I-vectors in the context of phonetically-constrained short utterances for speaker verification

@article{Larcher2012IvectorsIT,
  title={I-vectors in the context of phonetically-constrained short utterances for speaker verification},
  author={Anthony Larcher and Pierre-Michel Bousquet and Kong-Aik Lee and Driss Matrouf and Haizhou Li and Jean-François Bonastre},
  journal={2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
  year={2012},
  pages={4773-4776}
}
Short speech duration remains a critical factor of performance degradation when deploying a speaker verification system. To overcome this difficulty, a large number of commercial applications impose the use of fixed pass-phrases. In this context, we show that the performance of the popular i-vector approach can be greatly improved by taking advantage of the phonetic information that they convey. Moreover, as i-vectors require a conditioning process to reach high accuracy, we show that further… CONTINUE READING
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