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Multilingual representations for low resource speech recognition and keyword search
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Multilingual representations for low resource speech recognition and keyword search ...
Abstract: © 2015 IEEE. This paper examines the impact of multilingual (ML) acoustic representations on Automatic Speech Recognition (ASR) and keyword search (KWS) for low resource languages in the context of the OpenKWS15 evaluation of the IARPA Babel program. The task is to develop Swahili ASR and KWS systems within two weeks using as little as 3 hours of transcribed data. Multilingual acoustic representations proved to be crucial for building these systems under strict time constraints. The paper discusses several key insights on how these representations are derived and used. First, we present a data sampling strategy that can speed up the training of multilingual representations without appreciable loss in ASR performance. Second, we show that fusion of diverse multilingual representations developed at different LORELEI sites yields substantial ASR and KWS gains. Speaker adaptation and data augmentation of these representations improves both ASR and KWS performance (up to 8.7% relative). Third, incorporating ...
URL: https://dx.doi.org/10.17863/cam.26564
https://www.repository.cam.ac.uk/handle/1810/279184
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Multilingual representations for low resource speech recognition and keyword search
Cui, J; Kingsbury, B; Ramabhadran, B. - : IEEE, 2015. : 2015 IEEE Workshop on Automatic Speech Recognition and Understanding, ASRU 2015 - Proceedings, 2015
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Converting Neural Network Language Models into Back-off Language Models for Efficient Decoding in Automatic Speech Recognition
In: Institute of Electrical and Electronics Engineers. IEEE transactions on audio, speech and language processing. - New York, NY : Inst. 22 (2014) 1, 184
OLC Linguistik
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Language Modeling - Converting Neural Network Language Models into Back-off Language Models for Efficient Decoding in Automatic Speech Recognition
In: Institute of Electrical and Electronics Engineers. IEEE transactions on audio, speech and language processing. - New York, NY : Inst. 22 (2014) 1, 184-192
OLC Linguistik
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6
Optimization Techniques to Improve Training Speed of Deep Neural Networks for Large Speech Tasks
In: Institute of Electrical and Electronics Engineers. IEEE transactions on audio, speech and language processing. - New York, NY : Inst. 21 (2013) 11, 2267
OLC Linguistik
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7
SPECIAL ISSUE PAPERS - Automatic Recognition of Spontaneous Speech for Access to Multilingual Oral History Archives
In: Institute of Electrical and Electronics Engineers. IEEE transactions on speech and audio processing. - New York, NY : Inst. 12 (2004) 4, 420-435
OLC Linguistik
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8
Voicemail Corpus Part I
Padmanabhan, M; Ramaswamy, G; Ramabhadran, B. - : Linguistic Data Consortium, 1998. : https://www.ldc.upenn.edu, 1998
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Voicemail Corpus Part I ...
Padmanabhan, M; Ramaswamy, G; Ramabhadran, B. - : Linguistic Data Consortium, 1998
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