Publication Details

Phonotactic Language Recognition using i-vectors and Phoneme Posteriogram Counts

D'HARO, L.; GLEMBEK, O.; PLCHOT, O.; MATĚJKA, P.; SOUFIFAR, M.; CORDOBA, R.; ČERNOCKÝ, J. Phonotactic Language Recognition using i-vectors and Phoneme Posteriogram Counts. Proceedings of Interspeech 2012. Proceedings of Interspeech. Portland, Oregon: International Speech Communication Association, 2012. p. 1-4. ISBN: 978-1-62276-759-5. ISSN: 1990-9772.
Czech title
Fonotaktické rozpoznávání jazyka využívající i-vektory a počty z fonémových posteriogramů
Type
conference paper
Language
English
Authors
D’Haro Luis Fernando
Glembek Ondřej, Ing., Ph.D.
Plchot Oldřich, Ing., Ph.D. (DCGM)
Matějka Pavel, Ing., Ph.D. (DCGM)
Soufifar Mehdi Mohammad, Ing.
Cordoba Ricardo
Černocký Jan, prof. Dr. Ing. (DCGM)
URL
Keywords

subspace modeling, multinomial distributions, LID

Abstract

The article is about a Phonotactic Language Recognition using i-vectors and Phoneme Posteriogram Counts.

Annotation

This paper describes a novel approach to phonotactic LID, where instead of using soft-counts based on phoneme lattices, we use posteriogram to obtain n-gram counts. The high-dimensional vectors of counts are reduced to low-dimensional units for which we adapted the commonly used term i-vectors. The reduction is based on multinomial subspace modeling and is designed to work in the total-variability space. The proposed technique was tested on the NIST 2009 LRE set with better results to a system based on using soft-counts (Cavg on 30s: 3.15% vs 3.43%), and with very good results when fused with an acoustic i-vector LID system (Cavg on 30s acoustic 2.4% vs 1.25%). The proposed technique is also compared with another low dimensional projection system based on PCA. In comparison with the original soft-counts, the proposed technique provides better results, reduces the problems due to sparse counts, and avoids the process of using pruning techniques when creating the lattices.

Published
2012
Pages
1–4
Journal
Proceedings of Interspeech, vol. 2012, no. 9, ISSN 1990-9772
Proceedings
Proceedings of Interspeech 2012
ISBN
978-1-62276-759-5
Publisher
International Speech Communication Association
Place
Portland, Oregon
BibTeX 
@inproceedings{BUT97012,
  author="Luis Fernando {D’Haro} and Ondřej {Glembek} and Oldřich {Plchot} and Pavel {Matějka} and Mehdi Mohammad {Soufifar} and Ricardo {Cordoba} and Jan {Černocký}",
  title="Phonotactic Language Recognition using i-vectors and Phoneme Posteriogram Counts",
  booktitle="Proceedings of Interspeech 2012",
  year="2012",
  journal="Proceedings of Interspeech",
  volume="2012",
  number="9",
  pages="1--4",
  publisher="International Speech Communication Association",
  address="Portland, Oregon",
  isbn="978-1-62276-759-5",
  issn="1990-9772",
  url="http://www.isca-speech.org/archive/interspeech_2012/i12_0042.html"
}
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