NDLI: State constrained dynamic programming (SCDP) for discrete utterance recognition

Content Provider	IEEE Xplore Digital Library
Author	Silverman, H. Dixon, N.
Copyright Year	1980
Description	Author affiliation: IBM T. J. Watson Research Center, Yorktown Heights, New York (Silverman, H.)
Abstract	A new dynamic programming (DP) formulation, Using the state characteristics of the data to constrain registration, is introduced. It is evaluated in comparison to a standard DP formulation using ten untrained male and female talkers with two separate ten utterance vocabularies. One of these vocabularies was specifically designed to assess the strengths and weaknesses of the analysis system and DP formulations. Results show that the new method is clearly superior to the standard formulation with regard to memory requirements and computational load. While recognition accuracy is only slightly better for one version of the new method, the character of the error is more "sensible" and explainable. This factor is thought to be important for reject control in a discrete utterance recognition system. The parameterization of the new system also provides a better way to marry system specification with system performance.
Starting Page	169
Ending Page	172
File Size	117630
Page Count	4
File Format	PDF
DOI	10.1109/ICASSP.1980.1171015
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1980-04-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dynamic programming Vocabulary Speech Signal analysis Finite impulse response filter Band pass filters Character recognition Control systems System performance Prototypes
Content Type	Text
Resource Type	Article

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