Multilingual speech recognition for information retrieval in Indian context

Authors:
N. Udhyakumar;R. Swaminathan;S. K. Ramakrishnan
Affiliations:
Amrita Institute of Technology and Science, Coimbatore, Tamilnadu, India;Amrita Institute of Technology and Science, Coimbatore, Tamilnadu, India;Amrita Institute of Technology and Science, Coimbatore, Tamilnadu, India
Venue:
HLT-SRWS '04 Proceedings of the Student Research Workshop at HLT-NAACL 2004
Year:
2004

Citing 2
Cited 1

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Abstract

This paper analyzes various issues in building a HMM based multilingual speech recognizer for Indian languages. The system is originally designed for Hindi and Tamil languages and adapted to incorporate Indian accented English. Language-specific characteristics in speech recognition frame work are highlighted. The recognizer is embedded in information retrieval applications and hence several issues like handling spontaneous telephony speech in real-time, integrated language identification for interactive response and automatic grapheme to phoneme conversion to handle Out Of Vocabulary words are addressed. Experiments to study relative effectiveness of different algorithms have been performed and the results are investigated.