Volume 2 Number 6 (Dec. 2010)
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IJCEE 2010 Vol.2 (6): 1025-1028 ISSN: 1793-8163
DOI: 10.7763/IJCEE.2010.V2.270

Keyword Spotting in Multilingual Environments

C. P. Santhosh Kumar and V. P. Mohandas

Abstract—Multilingual keyword spotting is of immense interest in the Indian context with as many as 30 languages spoken across the country, and more than one language spoken in most cities. In this paper, we present the details of a gender independent multilingual keyword spotting system developed using lattices generated by a multilingual phone decoder for two of the most widely spoken Indian languages, Hindi and Tamil. For building the multilingual phone decoder, we used phonetic as well as acoustic similarities to map phones across the two languages, and see that the approach offers promising results. A distance measure based on Kullback-Leibler divergence is used for measuring the acoustic similarity of phones. We used a hybrid hidden Markov model – neural network implementation of the phone decoder for all our experiments reported in this work.

Index Terms—Keyword spotting, lattices, phone recognizer,hidden Markov model , neural network.

C. P. Santhosh Kumar and V.P. Mohandas are with the Department of Electronics and Communication Engineering, School of Engineering, Amrita Vishwa Vidyapeetham, Ettimadai, Coimbatore, India( cs_kumar@cb.amrita.edu, vp_mohandas@amrita.edu)

Cite: C. P. Santhosh Kumar and V.P. Mohandas, "Keyword Spotting in Multilingual Environments," International
Journal of Computer and Electrical Engineering
vol. 2, no. 6, pp. 1025-1028, 2010.

General Information

ISSN: 1793-8163 (Print)
Abbreviated Title: Int. J. Comput. Electr. Eng.
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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