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Hits 1 – 6 of 6
1
Investigation of Back-off Based Interpolation Between Recurrent Neural Network and N-gram Language Models (Author's Manuscript)
Chen, X
;
Liu,X
;
Gales,M J F
;
Woodland,P C
. - 2016
Abstract:
Recurrent neural network language models (RNNLMs) have become an increasingly popular choice for speech and language processing tasks including automatic speech recognition (ASR). As the generalization patterns of RNNLMs and n-gram LMs are inherently different, RNNLMs are usually combined with n-gram LMs via a fixed weighting based linear interpolation in state-of-the-art ASR systems. However, previous work doesn't fully exploit the difference of modelling power of the RNNLMs and n-gram LMs as n-gram level changes. In order to fully exploit the detailed n-gram level complementary attributes between the two LMs, a back-off based compact representation of n-gram dependent interpolation weights is proposed in this paper. This approach allows weight parameters to be robustly estimated on limited data. Experimental results are reported on the three tasks with varying amounts of training data. Small and consistent improvements in both perplexity and WER were obtained using the proposed interpolation approach over the baseline fixed weighting based linear interpolation. ; 2015 IEEE Workshop on Automatic Speech Recognition and Understanding (ASRU) , 2015 IEEE Workshop on Automatic Speech Recognition and Understanding (ASRU) , 13 Dec 2015, 17 Dec 2015, Presented at the 2015 IEEE Workshop on Automatic Speech Recognition and Understanding (ASRU), held in Scottsdale, AZ on 12-17 December 2015.
Keyword:
algorithms
;
artificial intelligence software
;
artificial neural networks
;
automated speech recognition
;
clustering
;
context
;
context modeling
;
digital data
;
history
;
IARPA Collection
;
interpolation
;
language model interpolation
;
machine translation
;
natural languages
;
perplexity
;
probability
;
probability distributions
;
recurrent neural network
;
rnnlms(Recurrent neural network language models)
;
robustness
;
speech recognition
;
Statistics and Probability
;
vocabulary
;
Voice Communications
URL:
http://www.dtic.mil/docs/citations/AD1038537
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD1038537
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2
Robust Speech Recognition - Speaker and Noise Factorization for Robust Speech Recognition
Wang, Y
;
Gales, M J F
In:
Institute of Electrical and Electronics Engineers. IEEE transactions on audio, speech and language processing. - New York, NY : Inst.
20 (2012) 7, 2149-2158
OLC Linguistik
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3
Speech Synthesis and Generation - Statistical Parametric Speech Synthesis Based on Speaker and Language Factorization
Zen, H
;
Braunschweiler, N
;
Buchholz, S
...
In:
Institute of Electrical and Electronics Engineers. IEEE transactions on audio, speech and language processing. - New York, NY : Inst.
20 (2012) 6, 1713-1724
OLC Linguistik
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4
Mean and variance adaptation within the MLLR framework
Gales, M J F
;
Woodland, P C
In:
Computer speech and language. - Amsterdam [u.a.] : Elsevier
10 (1996) 4, 249-264
OLC Linguistik
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5
Robust Continuous Speech Recognition Using Parallel Model Combination
Gales, M J F
;
Young, S J
In:
Institute of Electrical and Electronics Engineers. IEEE transactions on speech and audio processing. - New York, NY : Inst.
4 (1996) 5, 352-359
OLC Linguistik
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6
Robust speech recognition in additive and convolutional noise using parallel model combination
Gales, M J F
;
Young, S J
In:
Computer speech and language. - Amsterdam [u.a.] : Elsevier
9 (1995) 4, 289-308
OLC Linguistik
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