NDLI: Prosodic features and formant modeling for an ivector-based language recognition system

Content Provider	IEEE Xplore Digital Library
Author	Martinez, D. Lleida, E. Ortega, A. Miguel, A.
Copyright Year	2013
Description	Author affiliation: Aragon Inst. for Eng. Res. (I3A), Univ. of Zaragoza, Zaragoza, Spain (Martinez, D.; Lleida, E.; Ortega, A.; Miguel, A.)
Abstract	The prosody of a language is encoded in syllable length, loudness and pitch. These attributes make humans perceive rhythm, stress and intonation in speech. Depending on the language, these speech properties vary, making language classification possible. On the other hand, formants are the resonance frequencies of the vocal tract, depend heavily on the position adopted by the articulatory organs, and are especially useful to disambiguate vowel sounds. In this paper prosodic and formant information are combined to build a generative language identification system based on Gaussian models fed with iVectors. The system is evaluated on the NIST LRE09 database and the inclusion of formant information gives about 50% relative improvement for the 30 s task over a prosodic system without it. The fusion with a state-of-the-art acoustic system based on shifted delta cepstral coefficients (SDC) shows the complementarity of both approaches.
Starting Page	6847
Ending Page	6851
File Size	285826
Page Count	5
File Format	PDF
ISBN	9781479903566
ISSN	15206149
DOI	10.1109/ICASSP.2013.6638988
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-26
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Feature extraction Speech Polynomials Stress NIST Cepstral analysis Joint Factor Analysis Language Identification Prosody Formants iVectors
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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