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IEEE Trans Neural Netw. 1993;4(6):893-909.

Continuous speech recognition by connectionist statistical methods.

Author information

1
Int. Comput. Sci. Inst., Berkeley, CA.

Abstract

Over the period of 1987-1991, a series of theoretical and experimental results have suggested that multilayer perceptrons (MLP) are an effective family of algorithms for the smooth estimation of high-dimension probability density functions that are useful in continuous speech recognition. The early form of this work has focused on hidden Markov models (HMM) that are independent of phonetic context. More recently, the theory has been extended to context-dependent models. The authors review the basic principles of their hybrid HMM/MLP approach and describe a series of improvements that are analogous to the system modifications instituted for the leading conventional HMM systems over the last few years. Some of these methods directly trade off computational complexity for reduced requirements of memory and memory bandwidth. Results are presented on the widely used Resource Management speech database that has been distributed by the US National Institute of Standards and Technology.

PMID:
18276520
DOI:
10.1109/72.286885

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