NDLI: Lexical stress determination and its application to large vocabulary speech recognition

Content Provider	IEEE Xplore Digital Library
Author	Aull, A. Zue, V.
Copyright Year	1985
Description	Author affiliation: Massachusetts Institute of Technology, Cambridge, Massachusetts (Aull, A.)
Abstract	This study is concerned with the determination of lexical stress for isolated words from the acoustic signal. It is motivated by the suggestion that stressed syllables can provide islands of reliability where the phonetic information is more robust. In addition, stress information has been found to help lexical access. Our study consisted of three parts. First, we established through a lexical study that stress information can indeed provide strong constraints to be useful for large-vocabulary, isolated-word speech recognition. Second, an acoustic study was conducted to determine the acoustic correlates of lexical stress. Finally, a system was developed to determine the lexical stress patterns from the speech signal. The system performance, evaluated on some 1,600 words spoken by 11 talkers, indicated that the stressed syllable can be detected with a 2% error rate. The entire stress pattern can be determined with an error of 13%, with a significant amount of the error attributable to the system's failure in identifying the proper number of syllables.
Starting Page	1549
Ending Page	1552
File Size	161284
Page Count	4
File Format	PDF
DOI	10.1109/ICASSP.1985.1168075
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1985-04-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stress Vocabulary Speech recognition Robustness Automatic speech recognition Application software Laboratories Isolation technology System performance Acoustic signal detection
Content Type	Text
Resource Type	Article

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